HG/T 2541-1993 Guidelines for Standardization Work - Rules for the Preparation of Organic Chemical Product Standards
Some standard content:
Chemical Industry Standard of the People's Republic of China
HG/T2541—93
Guidelines for Standardization
Detailed Rules for the Preparation of Organic Chemical Standards
Issued on September 25, 1993
Ministry of Chemical Industry of the People's Republic of China
Implemented on July 1, 1994
Chemical Industry Standard of the People's Republic of China
Guidelines for Standardization
Detailed Rules for the Preparation of Organic Chemical Standards
1 Subject Content and Scope of Application
HG/T2541—93
This standard specifies the basic requirements for the preparation of organic chemical standards, the composition of the standard, the arrangement of the articles and the detailed rules for its preparation. This standard is applicable to the preparation of national standards and industry standards for organic chemicals. It can also be used as a reference for the preparation of local standards and enterprise standards for organic chemicals.
2 Reference standards
GB1.1 Guidelines for standardization work Basic provisions for standard writing GB1.3 Guidelines for standardization work Provisions for product standard writing GB1.4 Guidelines for standardization work Provisions for chemical analysis method standard writing GB190 Dangerous goods packaging marking
GB191 Pictorial marking for packaging storage and transportation
GB1250 Methods for expressing and determining limit values 3 Basic requirements for standard writing
3.1 Basic requirements for standard writing should comply with the provisions of Chapter 3 of GB1.1, GB1.3 and GB1.4. 3.2 Standard writing for similar organic chemical products should be written as method standards and corresponding product standards as much as possible by category. 4 Standard composition
The composition and writing order of organic chemical product standards and method standards are as follows: Cover and homepage
Overview
Main text
Standard name
Subject content and scope of application
Referenced standards
Terms, symbols, codes
Technical content
『Appendix
Supplementary part
Additional instructions||tt ||(See 5.1)
(See 5.1)
(See 5.2)
(See 5.3)
(See 6.1)
(See 6.2)
(See 6.3)
(See 6.4)
(See 7.1)
(See 7.2)
The above parts can be selected according to the actual situation of the specific object. Approved by the Ministry of Chemical Industry of the People's Republic of China on September 25, 1993 and implemented on July 1, 1994
5 Standard Overview
5.1 Cover, homepage and table of contents
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Should comply with the provisions of Articles 5.1 and 5.2 of GB1.1. 5.2 Standard name
The standard name shall comply with the provisions of Article 5.3 of GB1.1. The standard name of the product standard shall comply with the provisions of Article 5.2 of GB1.3. The standard name of the method standard shall comply with the provisions of Article 5.2 of GB1.4.
5.3 Introduction
The introduction shall comply with the provisions of Article 5.4 of GB1.1. 6 Standard body
6.1 Subject content and scope of application
6.1.1 Subject content
shall comply with the provisions of Article 6.1.1 of GB1.1. 6.1.2 Scope of application
shall comply with the provisions of Article 6.1.2 of GB1.1. 6.1.3 The molecular formula of the product shall be given as far as possible, the relative molecular mass shall be given (according to the latest international relative atomic mass), and the structural formula of the product shall be given when necessary, and the structural formula shall be arranged after the molecular formula. 6.2 Referenced standards
are the standards directly cited and must be matched in the standard. The arrangement of referenced standards should be from national standards to industry standards, and the numbers should be arranged from small to large.
6.3 Terms, symbols and codes
Should comply with the provisions of Article 6.3 of GB1.1.
6.4 Technical content
Should comply with the provisions of Article 6.4 of GB1.1.
7 Supplementary parts
7.1 Appendix
Should comply with the provisions of Article 7.1 of GB1.1.
7.2 Additional notes
The following notes are written below the end line of the standard with the title "Additional notes". 7.2.1 National standards should be written as:
This standard is proposed by the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of X× unit.
This standard is drafted by ×× unit.
The main drafter of this standard is ××× (no more than five people). The year and month of the first release, revision and re-confirmation of this standard. If the number of re-examinations and revisions is large, only the year and month of the first release and the most recent revision or re-examination shall be written.
This standard is equivalent to, equivalent to or refers to foreign advanced standards (specify the national standard number and name). The original standard HGX× "Standard Name" shall be invalid from the date of implementation of this standard. 7.2.2 Industry standards shall be written as:
This standard is proposed by the Science and Technology Department of the Ministry of Chemical Industry of the People's Republic of China. 2
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The original standard GB×× "Standard Name" shall be invalid from the date of implementation of this standard. The other clauses and their order shall be written in accordance with Article 7.2.1 of this standard. 8 The arrangement of standard clauses
shall comply with the provisions of Article 8 of GB1.1.
9 Rules for writing standard clauses
In addition to the relevant provisions of Chapter 9 of GB1.1, Chapter 6 of GB1.3, and Chapter 6 of GB1.4, the rules for writing organic chemical standards should also be written in accordance with the following clauses. 9.1 Numbering and classification
9.1.1 In order to ensure the integrity and uniformity of standards and facilitate search, similar organic chemical products with the same control items and test methods should be written separately as method standards and product standards when formulating standards. In the method standard, one test item can have several test methods listed in parallel for selection by the product standard.
Test methods for industrial acetic acid esters
GB/T12717—91
1Industrial ethyl acetate
GB/T3728—91
GB/T 3729—91
Industrial butyl acetate
9.1.2When a product standard is not suitable to include several independent parts or items, and the test methods are complicated and the standards of different advanced countries are adopted respectively, the product specifications and test methods of the standard should be separated as much as possible and written in one number. The numbering of each part shall be in accordance with Article 9.1.2 of GB1.1.
9.1.3Others shall be in accordance with Article 9.1 of GB1.1. 9.2Cover and first page
Except as provided in Article 5.1 of GB1.1, the cover and first page of the industry standard shall be written as "Chemical Industry Standard of the People's Republic of China". 9.3 Technical requirements
9.3.1 The product appearance should be listed outside the technical requirements table. 9.3.2 The technical requirements and indicators of the product should be tabulated. The general textual expressions in the table are as follows: Item
Chroma, Hazen unit (platinum-cobalt color number)Absoluteness (in XX), %
×× content, %
Density p, g/cm2
Water content, %
Moisture, %
Acid content (in ××), %
Acidity (in XX), %
Alkali content (in ×X), %
Digital range
pH value (indicates the concentration of aqueous solution)
Evaporation residue, %
Ash, %
Iron content (in Fe), %
Chloride (in C1), %
Sulfate (in SO.), %
Heavy metal (in P b), %
Carbonyl compounds (in terms of ×× aldehyde or ×X ketone), %Bromo value, Brzg/100g
Reduced potassium permanganate substance, index
or time (min)
Refractive index (nb))
Distillation test note) (0℃, 101.325kPa)Initial distillation point, ℃
Dry point, ℃
Boiling range, ℃
Distill a certain volume, %(V/V)Temperature range HG/T2541—95
Digital range
Digital range
Digital range
Digital range
Note: In the distillation test, all distillation characteristics and data can be observed and recorded, or one or two of the above methods can be taken as indicators. Standard
The above items are the common test items and general expression methods of organic chemical products. According to the characteristics of each product, more corresponding test items can be added. The expression method of the items can also use other appropriate expression methods according to the characteristics of the product. 9.4 Test method
9.4.1 The reagents, water, standard solutions, preparations and products used do not need to repeat the relevant requirements. The following terms are recommended: The reagents and water used in this standard, unless otherwise specified, are analytically pure reagents and distilled water or water of equivalent purity. The standard solutions, preparations and products used in this standard, unless otherwise specified, are prepared in accordance with the provisions of GB/T601, GB/T602 and GB/T603.
9.4.2 Description of test methods
9.4.2.1 Each test method shall be described in paragraphs
Basic contents shall include:
HG/T254/-—9S
Method principle or method summary, according to Article 6.3 of GB1.4; a.
Reagents or materials, according to Article 6.4 of GB1.4; b.
Test instruments and equipment, according to Article 6.5 of GB1.4; ci
Samples, according to Article 6.6 of GB1.4,
e.Analysis steps, according to Article 6.7 of GB1.4; If there are dangers such as explosion, fire or poisoning in the analysis steps, the precautions shall be written in bold. If safety measures or first aid methods need to be described in detail, they can be written in the appendix (reference). f. Expression or calculation of analysis results;
g. Precision.
The precision (i.e. repeatability and reproducibility) of the method should be indicated in both the method and the product standard. When the product standard does not have the conditions to provide precision or allowable difference data, the allowable difference of the difference between the parallel determination results should be given when necessary according to the characteristics of each test method. It is recommended that at the end of the description or calculation clause of the analysis result, a new line should be used to express it with the following terms: Take the arithmetic mean of the results of two parallel determinations as the determination result, and the difference between the two parallel determination results shall not be greater than ××. 9.4.2.2 The test method should adopt the general method standards already available in my country as much as possible. It is recommended to use the following terms: Follow Article XXX in GBXXXX.
9.4.2.3 If the general method standards are adopted, some test conditions are selected or changed according to the properties of the product, and the selected or changed conditions should be written first when describing the method (such as sample weight, crucible size, temperature and pressure, etc.). Other similar conditions shall be carried out according to the adopted standards and it is recommended to use the following terms:
Other operating conditions shall be carried out according to Article XXX in GBXXXX. 9.4.2.4 Test methods with complex methods and unique principles should be described in the principle or method summary before the method. List the main chemical equations when necessary. Ionic reaction formulas should be used to express them. 9.4.2.5 The names of each method should be consistent with the item names in the product technical requirements table. 9.4.2.6 The calculation formula of each method should be expressed in the simplest form, and the symbols and constants in the formula should be interpreted as the symbols and constants in the complex formula. 9.4.2.7 The final expression of the analysis results should be consistent with the values of the technical requirements. 9.5 Inspection rules
The inspection rules of organic chemical product standards shall be in accordance with Article 6.6 of GB1.3. It is recommended to arrange and describe them as follows. 9.5.1 Product factory inspection
The product shall be inspected by the quality supervision and inspection department of the manufacturer. The manufacturer shall ensure that the technical indicators of the factory products meet the requirements of the product standards and attach a quality certificate in a certain format. The content of the quality certificate includes: product name, product grade, product batch number, net weight, factory date and standard abbreviation. If all the control items in the standard are factory inspection items, the type inspection content does not need to be specified in the inspection rules of the standard. If the control items in the standard are not all factory inspection items, they should be clarified in the clauses of the inspection rules. It is recommended to use the following terms:
All technical indicators listed in this standard are type inspection items, among which ...,, items are factory inspection items. Under normal circumstances, type inspection shall be carried out at least once in × month (quarter, year). 9.5.2 Sampling or sampling
Sampling generally adopts the existing sampling standards in my country. When describing, it should be indicated that ×× in ×× standard is adopted; it cannot be generally written as "implemented in accordance with GBXXXX". If necessary, the type of sampler and the reduction steps should be indicated. The total amount of sampling and the requirements for sample retention for reference and the retention period of the sample should be stated. The content of the sample retention label generally includes: product name, batch number, grade, sampling date, and name of the sampler. 9.5.3 The inspection and re-inspection principles and the judgment of the results are generally described as follows:
The inspection results are judged according to the comparison method of the rounded value of GB1250 (if the full value comparison method is used, no explanation is given). If the inspection result 5
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If one of the indicators does not meet the requirements of this standard, a re-sample should be taken from the twice-sized packaging for re-inspection. Even if only one indicator does not meet the requirements of this standard in the re-inspection result, the whole batch of products is unqualified. For products that have exceeded the storage period, the manufacturer shall re-inspect them according to the requirements of the product standard before leaving the factory. Only qualified products can leave the factory. 9.5.4 The relevant matters when there is an objection to the product quality are generally described as follows:
The user has the right to accept the product quality according to this standard. During the storage period, if the supply and demand parties have objections to the product quality, they should raise them in time and resolve them through negotiation or ask the arbitration unit to conduct arbitration analysis. 9.5.5 Matters not covered in Articles 9.5.1 to 9.5.5 can be added separately. 9.6 Marking, packaging, transportation and storage
The basic requirements of each article shall comply with the provisions of Article 6.7 of GB1.3. The organic chemical product standards are recommended to be arranged and described as follows. 9.6.1 The packaging of organic chemical products shall be marked. If it is not possible to mark on the packaging, it can be provided in the form of instructions. The content of the mark should be easy to understand, the text should be popular and concise, the pattern should be eye-catching and clear, easy to identify and comply with the provisions of relevant standards, and the mark should be durable.
9.6.1.1 Product marking
The basic content of product marking includes:
Manufacturer name, product name, trademark, product grade, product batch number, production date, standard number, product net weight. 9.6.1.2 There should be obvious markings on the packaging, and the markings should comply with the provisions of GB190 and GB191. 9.6.2 Packaging
Organic chemical products should specify packaging requirements in the standards or quote relevant packaging standards. In the standards for organic chemical products, the basic contents of packaging requirements generally include: a.
Packing technology and methods, specifying what kind of packaging (box, box, barrel, tank truck) the product uses and measures such as sun protection, moisture protection, and inversion protection;
Requirements for packaging materials, specifying what kind of packaging materials and their properties; c. Requirements for contents, specifying the net weight of the contents and other requirements for the contents; d. Specifying packaging test methods and test rules when necessary. 9.6.3 Transportation
Organic chemical products with special requirements should specify their transportation requirements, including: a. Transportation methods, specifying transportation tools, etc.; b. Transportation conditions, specifying transportation requirements, such as canopy, sealing, insulation, etc.; c. Precautions during transportation, specifying special requirements for loading and unloading, especially the protection conditions for transporting dangerous goods. 9.6.4 Storage
Storage requirements for organic chemical products should be specified, especially for toxic, flammable, explosive, corrosive and other products, various corresponding special requirements should be specified, including:
a. Storage place, specifying inventory, open air, canopy, etc.; b. Storage conditions, specifying temperature, humidity, ventilation, the influence of harmful conditions, etc.; c. Storage requirements, specifying single storage, stacking, etc.; d. Storage period, requirements for regular maintenance during the storage period, and requirements for regular or irregular sampling during the storage period. 9.6.5 Others
Matters not covered in 9.6.1 to 9.6.4 can be reasonably compiled as needed. 9.7 Safety
For products involving hygiene, safety and environmental protection, relevant requirements should be included in the relevant chapters and sections (or separate chapters and articles) of the product standards to warn users to pay extra attention (such as explosion prevention, fire prevention, pollution prevention, poison prevention, corrosion prevention, and radiation protection requirements). 6
A1 General
HG/T2541—95
Appendix A
Basic contents of the compilation instructions for organic chemical standards (reference)
A1.1 The compilation instructions for standards are one of the main annexes to the standard text. Its content should be closely centered on the key contents of the standard text and give a more detailed explanation.
A1.2 The contents of the compilation instructions should be clear in structure, reliable in arguments, clear in conclusions, and concise in text. A2 The composition of the compilation instructions
-Generally, they are arranged in the following order:
Overview (see A3)
Main text (see A4)
Important appendix (see A5)
A3 Overview of the compilation instructions
A3.1 Name
It is recommended to describe the name in the following language
《××× (standard name)》National or industry standard compilation instructions. The four characters "Preparation Instructions" are placed on a separate line in the center above the clause.
A3.2 Table of Contents bzxZ.net
If the content of the standard is complex, the preparation instructions are too long and there are many articles, the table of contents should be compiled according to the content. The table of contents should be compiled before the preparation instructions.
A3.3 Foreword
Contents include:
The significance of formulating and revising standards;
Product standards should include major manufacturers, national total output, main process routes of products, process routes applicable to standards and domestic production overview, etc.
Drafting units, cooperating units, and technical coordination units for formulating standards. Brief description of main work and division of labor of each unit, etc. A4 Body
A4.1 Overview of domestic and foreign standards.
A4.2 Key points for formulating and revising standards.
Contents include:
Using foreign standard names;
The basis for formulating items, grades, and indicators; How to select test methods and brief test plans; Inspection rules (narrative personality part);
A4.3 Explanation of standard clauses
Generally, the explanation should be made in the order of standard clauses, with reliable basis and clear reasoning. A4.4 Evaluation of standard level and suggestions for standard attributes. A4.5 Technical issues that should also be explained and diagrams that must be attached. These are the contents that the first four items of A4 cannot include. For example: recommended diagrams, tables, constants, etc. 7
HG/T2541—95
A4 regulations are general contents, which can be added or reduced according to the characteristics of the standard. A5 Important Appendix
A5.1 Comparison of domestic and foreign inspection methods
A5.2 Comparison of technical indicators in domestic and foreign standards (revised standards should also be compared with my country's new and old standards)A5.3 Continuous accumulation of data for each factory's products using the new standard method (required for one month)A5.4 Summary of opinions on the draft for comments (organized in accordance with the provisions of Order No. 10 and Order No. 11 issued by the State Administration of Technical Supervision on August 24, 1990).
The above tables can be omitted as explained in the text, but the reasons for omission should be indicated after the name of the appendix. Appendix B
Basic Contents of Organic Chemical Standard Test Report (Reference)
B1 General
B1.1 When formulating and revising standards, the test report is one of the main attachments to the standard text. It is the scientific basis for determining the test method. B1.2 The test report is a comprehensive summary of the method test when formulating the standard. It requires the test method to be accurate and precise, and strives to be simple, fast, low-cost and non-toxic. B1.3 The test report requires clear structure, correct conclusions, concise text, and terms, formulas, symbols, etc. should be written in accordance with relevant regulations. B2 The composition of the test report
Generally, it is arranged as follows:
Overview;
Main text;
Conclusion;
Discussion;
(See B3)
(See B4)
(See B5)
(See B6)
References.
(See B7)
B3 Overview of the test report (foreword) Product overview;
Test purpose;
Test content and classification.
B4 Body
B4.1 The content of each method should generally include the purpose of the test,
the basic principle or method summary of the method;
the reagents, materials, instruments and operating procedures used; the collation of test data;
the determination of test conditions;
the calculation and expression of results;
the allowable difference (or precision). If the conditions for providing the allowable difference are not met, the mean square error or the difference between multiple groups of parallel sample data should be provided. B4.2 Chromatographic analysis method
In addition to the content of B4.1, it should also have the measured sample component separation diagram and the relative retention value of each separated component. The contents of B4.1 and B4.2 can be increased or decreased according to the specific situation, and the order can be adjusted appropriately. B4.3 Classification and general treatment methods of standard test methods 8
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B4.3.1 If there is a national general method standard, it should be cited first, but it must be verified by experiment. Based on the verification data, the verification conclusion is drawn and its allowable difference is determined. If some specific modifications are to be made, there should be test data to explain the necessity of the modification. The test method in ISO can also be verified in this way, and the corresponding test content should be written. B4.3.2 If there are different test methods for this project in foreign standards, comparative tests of several methods should be carried out to determine the test basis for selecting a certain method, and then the allowable difference should be determined. B4.3.3 If a new test method is to be adopted, relevant condition tests should be carried out, such as reagents, instruments, temperature, pressure, flow, etc., to determine the best test conditions. There should also be accuracy tests, such as verification with standard substances (standard samples), comparative tests with classical methods (including national standards), recovery tests, etc., and finally the allowable difference is determined. B4.3.4 If two test methods are used for the same indicator, the data should also be used to explain the reasons and the basis for determining the arbitration method. B4.3.5 To test whether the method is feasible, there should also be verification data from other laboratories and data from actual product inspections. B5 Conclusion of the test report
The conclusion of the test content should be clear and concise. B6 Discussion of the report
Issues that need to be discussed technically.
B7 References
B7.1 The writing method of domestic and foreign technical standards: Standard number
Standard name
B7.2 The writing method of journals:
Author's journal name (or journal name abbreviation)B7.3 The writing method of reference books:
Additional instructions:
Publisher
Year, page.
Year, volume, page.
This standard is proposed by the Science and Technology Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the technical jurisdiction of the Beijing Research Institute of Chemical Industry of the Ministry of Chemical Industry. This standard was drafted by the Beijing Research Institute of Chemical Industry of the Ministry of Chemical Industry. The main drafter of this standard was Jia Wenlan.3 The test report requires clear structure, correct conclusions, concise text, and terms, formulas, symbols, etc. should be written in accordance with relevant regulations. B2 The composition of the test report
Generally, it is arranged as follows:
Overview;
Main text;
Conclusion;
Discussion;
(See B3)
(See B4)
(See B5)
(See B6)
References.
(See B7)
B3 Overview of the test report (foreword) Product overview;
Test purpose;
Test content and classification.
B4 Body
B4.1 The content of each method should generally include the purpose of the test,
the basic principle or method summary of the method;
the reagents, materials, instruments and operating procedures used; the collation of test data;
the determination of test conditions;
the calculation and expression of results;
the allowable difference (or precision). If the conditions for providing the allowable difference are not met, the mean square error or the difference between multiple groups of parallel sample data should be provided. B4.2 Chromatographic analysis method
In addition to the content of B4.1, it should also have the measured sample component separation diagram and the relative retention value of each separated component. The contents of B4.1 and B4.2 can be increased or decreased according to the specific situation, and the order can be adjusted appropriately. B4.3 Classification and general treatment methods of standard test methods 8
HG/T254I—9S
B4.3.1 If there is a national general method standard, it should be cited first, but it must be verified by experiment. Based on the verification data, the verification conclusion is drawn and its allowable difference is determined. If some specific modifications are to be made, there should be test data to explain the necessity of the modification. The test method in ISO can also be verified in this way, and the corresponding test content should be written. B4.3.2 If there are different test methods for this project in foreign standards, comparative tests of several methods should be carried out to determine the test basis for selecting a certain method, and then the allowable difference should be determined. B4.3.3 If a new test method is to be adopted, relevant condition tests should be carried out, such as reagents, instruments, temperature, pressure, flow, etc., to determine the best test conditions. There should also be accuracy tests, such as verification with standard substances (standard samples), comparative tests with classical methods (including national standards), recovery tests, etc., and finally the allowable difference is determined. B4.3.4 If two test methods are used for the same indicator, the data should also be used to explain the reasons and the basis for determining the arbitration method. B4.3.5 To test whether the method is feasible, there should also be verification data from other laboratories and data from actual product inspections. B5 Conclusion of the test report
The conclusion of the test content should be clear and concise. B6 Discussion of the report
Issues that need to be discussed technically.
B7 References
B7.1 The writing method of domestic and foreign technical standards: Standard number
Standard name
B7.2 The writing method of journals:
Author's journal name (or abbreviation of the journal name)B7.3 The writing method of reference books:
Additional instructions:
Publisher
Year, page.
Year, volume, page.
This standard is proposed by the Science and Technology Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the technical jurisdiction of the Beijing Institute of Chemical Industry of the Ministry of Chemical Industry. This standard was drafted by the Beijing Research Institute of Chemical Industry of the Ministry of Chemical Industry. The main drafter of this standard was Jia Wenlan.3 The test report requires clear structure, correct conclusions, concise text, and terms, formulas, symbols, etc. should be written in accordance with relevant regulations. B2 The composition of the test report
Generally, it is arranged as follows:
Overview;
Main text;
Conclusion;
Discussion;
(See B3)
(See B4)
(See B5)
(See B6)
References.
(See B7)
B3 Overview of the test report (foreword) Product overview;
Test purpose;
Test content and classification.
B4 Body
B4.1 The content of each method should generally include the purpose of the test,
the basic principle or method summary of the method;
the reagents, materials, instruments and operating procedures used; the collation of test data;
the determination of test conditions;
the calculation and expression of results;
the allowable difference (or precision). If the allowable difference is not available, the mean square error or the difference between multiple sets of parallel sample data should be provided. B4.2 Chromatographic analysis method
In addition to the content of B4.1, it should also have the measured sample component separation diagram and the relative retention value of each separated component. The contents of B4.1 and B4.2 can be increased or decreased according to the specific situation, and the order can be adjusted appropriately. B4.3 Classification and general treatment methods of standard test methods 8
HG/T254I—9S
B4.3.1 If there is a national general method standard, it should be cited first, but it must be verified by experiment. Based on the verification data, the verification conclusion is drawn and its allowable difference is determined. If some specific modifications are to be made, there should be test data to explain the necessity of the modification. The test method in ISO can also be verified in this way, and the corresponding test content should be written. B4.3.2 If there are different test methods for this project in foreign standards, comparative tests of several methods should be carried out to determine the test basis for selecting a certain method, and then the allowable difference should be determined. B4.3.3 If a new test method is to be adopted, relevant condition tests should be carried out, such as reagents, instruments, temperature, pressure, flow, etc., to determine the best test conditions. There should also be accuracy tests, such as verification with standard substances (standard samples), comparative tests with classical methods (including national standards), recovery tests, etc., and finally the allowable difference is determined. B4.3.4 If two test methods are used for the same indicator, the data should also be used to explain the reasons and determine the basis for the arbitration method. B4.3.5 To test whether the method is feasible, there should also be verification data from other laboratories and data from actual product inspections. B5 Conclusion of the test report
The conclusion of the test content should be clear and concise. B6 Discussion of the report
Issues that need to be discussed technically.
B7 References
B7.1 The writing method of domestic and foreign technical standards: Standard number
Standard name
B7.2 The writing method of journals:
Author's journal name (or abbreviation of the journal name)B7.3 The writing method of reference books:
Additional instructions:
Publisher
Year, page.
Year, volume, page.
This standard is proposed by the Science and Technology Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the technical jurisdiction of the Beijing Institute of Chemical Industry of the Ministry of Chemical Industry. This standard was drafted by the Beijing Research Institute of Chemical Industry of the Ministry of Chemical Industry. The main drafter of this standard was Jia Wenlan.
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