Some standard content:
[CS 67.220.2C
Classification number: x38
Registration number: 16391-2005
Light Industry Standard of the People's Republic of China
QB 2238.4-2005
Replaces QB2238·1996
Fortified nutrient salt
Iron-fortified nutrient salt
Fartified nutrient salt-Fortified nutrient salt with lron2005-07-26 release
National Development and Reform Commission of the People's Republic of China implemented on 2006-01-01
QB2238 series of standards for chemical nutrition are divided into five items: OB2238.1 Fortified nutrient salt, QB22.38.2 Fortified nutrient salt, QB2238.3 Fortified nutrient salt for industry, QF3238.4 Fortified nutrient salt for hot beverages, QB2238.5 Fortified nutrient salt for industry, QB2238.6 Fortified nutrient salt for industry, QB2238.7 Standard is the first item of QB2238 series of standards. Chapter 3 of this standard is mandatory, and the rest are recommended. iKAoNiKAca=
QB2238.420G5
This standard is a revision of Q22381996 "Strengthening the standard of salary", and 5 products are listed separately. The three countries jointly proposed the standard of the annual mining of multiple non-standard mountain light industry. This standard is the standardization center of the country's ditch lake. The national salt standardization center will be responsible for the overall standardization of the salt factory. The big standard is: Ni, Jiao Yue, Zhang Min, Zhou Qin, Jiu Zai Zhi, Yu, Yuan. This is the first revision of the standard released in 16 years. 1. The implementation code of the standard is issued by the General Association of China. 2. The industry standard B2238·: 199G also issued the iron fortified nutrient salt part of the north 3
1 Scope
Fortified nutrient salt
Iron fortified nutrient salt
QB 2238.42005
This standard specifies the requirements, test methods, inspection, labeling, packaging, transportation and labeling of nutrient fortifiers other than edible salt. This standard is applicable to the fortified nutrient fortifiers other than edible salt: 2 Normative referenced documents
The clauses in the list of references in this standard become the standard through reference, which is the referenced document. The amendments (excluding the content of the error) or circumstances are not applicable to this standard. However, it is recommended that the latest versions of these documents be studied by the parties who reach an agreement on this standard. All the new versions are not applicable to this standard. GB2760 Food hygiene standard (B/T682 Analytical laboratory water specifications and test methods GB?S Pre-packaged food labeling || tt || G 8618-2001 Sampling method for three types of products G date T13025. [1. General test method for determination of temperature GB/T 13025.3
! Salt industry general test method for determination of water insoluble matter GE/T13025.4
method for determination of average chloride content GB/T13025.5
general monitoring method for salt industry Determination of trapped ion emission (photometric method) GB/T1302S.9
GB/T13025.13 General test method for preparation industry Determination of ion emission G/18962 General test method for preparation industry Determination of ion emission (atomic absorption spectrophotometric method) GB14880 food Product hygiene standard National Quality Supervision and Inspection General Order No. 75 Regulation on Metrology Supervision of Commercial Installations (005) 3 Requirements
3.1 Physical indicators
The color shall be the inherent color of the product, without peculiar smell and impurities: 3.2 Physical and chemical indicators
Should comply with the provisions of Table 1:
Sodium oxide (as NaCl)/(/0g)
Water content (weight loss)/g/100g) bzxz.net
Water insoluble matter/(g/1D Og)
Particle size: .30 sieve oversize) g/109g>
QB 2236.4—2005
Actual (in terms of e) (mg/kg)
rIn terms of phi/urg/kg
Shen (in terms of 2 As//my/kg)
3. 3 Net content
Table 丨 (continued)
iiKNiKca-
GOQ·-1200
The net content of packaged products shall comply with the requirements of Order No. 75 of the General Administration of Quality Supervision, Inspection and Quarantine (2005). 4 Food additives and nutritional fortifiers
4.1 The quality of the product additives and nutritional fortifiers shall be in accordance with the US standard GB2750 and GB430. 5 Test method
: Analysis: Only use the reagents specified in GB2750 and GB6682. 5.1 Standard quantity: The product shall be in accordance with the US standard GB2750 and GB430. 5.2 According to GE/T 13025.-53 Water content: 1502.3
5.4 Water insoluble matter
According to GD-T 13025.4 Determination.
5.5 Chemical content
5.5.1 According to GB/T[3025.3], the chemical content of the disk is expressed as (&0), calculated by the formula, Nliloncnej:1.ms5
56Fe2O3
5.6.1 Photometric determination
5. 6. 1.1 Principle
The fluorine model is a chlorine-based system.
Station supply will be more oxidized, add carbonyl salicylic acid, adjust to H: ratio negative test fee and contain
5. 0. 1. 2 only equipment, equipment
5. 6. 1.2. 1
Total benefit reverse house credit goods, love service
5.6.1.2.25 design.
5.6.1.3 Reagents and liquids
5.6.1.3.1 Show water GR/T10705 economic rise: 1005.e.1.3.2: GDT631) full, [+1
5.6..3.3 Release 1 system iron mystery 1CB1279>1 standard preparation liquid: 0.100m/m, QB 2238.4 --2005
Dongtong reported that H4Fc (S0:: 12H.8G4, culture ten water, add to Luowei (25%) 0m, people 1000m penetrate, if not the release rate, the whole and
5.6.1.3.4 want to weigh the standard T liquid: 20.0/ml. Attack the standard end fee (5.6.1.3.30ml, 10m volume, 1 water grid release scale, empty sentence. 5.31.4 Analysis step source
5.51.4.1 Standard by line drawing
absorption Standard 1 solution (5.6.1.3.4) 0.400, 2.(10, 4.00, .00, 8.00, 1.0ml in 100ml/100ml tubes, add 10g/10ml water, 1.0ml chlorine solution (10g/10ml), dilute with water, 420ml, take 1.0em1:2 as the reference, measure the absorbance: take the natural content as the standard, and the corresponding light spectrum as the semi-standard, and make a standard curve or establish a single-value daily return method.5. 6.1.4.2 Determination of sample
average 10g, 000, 100% water, acid (1+11: after cooling, 50mL permeate, select the release rate scale, extract and: I detailed no 10.m, in 50mT. color, add block water to put: 5.6.1.3.:)m: with ammonia water to know the yellow first, then three.., such as water dilution 4 degree, deep. Early its light: 5.6.1.5 Calculation and expression of results
method and the actual iron difference between the measured and the standard or the original line, according to the formula: Feil, g/kgi-
Wu Guang;
center, - standard Huishan area of iron, half [is the light (: In.00: mT. The mass of the sample contained in the sample is in grams (g). 5.6.1. 6. Allowable error
The absolute difference between the two parallel measurements shall not exceed 10 m. The arithmetic mean of the two valid parallel measurements shall be the group result.
5.6.2 Atomic absorption spectrophotometry
5.6.2.1 Principle
: The original material shall be subjected to the test without any absorption spray, and the spectrophotometer shall be used for the measurement. 5.6.22 Instruments and equipment
5.6.2.2.1 General laboratory equipment 5.8.2 2.2 Elemental absorption spectrometer: 5.62 2.3 Iron core: nominal ratio 248.3111 5.5.2.2.4 Fuel: air
5.2.3 Reagents and solutions
562:1 Standard liquid: 0.100mg/mF 5.6.1.3. 3.
5.6.2.8.2 Carbon dioxide: 20.0g/m:t $ 6.1.3 1.
5.6.2.4 Analysis steps
5.6.2.4.1 Sample matching
Specification: Please select the sample according to the acid 3.0, after 5 cooling, dissolve in 50% blood, 1% water, and add the sample to the standard.
QH2238.4—2005
5,,2.4. 2 Drawing of standard working practice
TTKAONYKACa-
Connect four 10mL colorimetric tubes, add special standard working solution (5.%. 2.3.2>0.U, 0.50, 1.00, 1.50mE, dilute to the mark with water: use water as the air, absorb the original wavelength K248.3m with a spectrophotometer, and determine with a single lamp formula, with iron content as the batch standard: for the batch standard and the output as the vehicle standard, make a standard line or a linear equation 5.624.3 Determination of sample concentration
sample solution (5.6. 2.4.1) In a .5mT.1 mL color tube, add analyte to the scale, use water as a blank, and let the spectrophotometer come to 248.3m, and use a lamp to measure the absorbance. 562.5 μm calculation and expression
The absorbance measured by the pilot group is found from the standard line or calculated by the equation, and the result is (3) calculated: Provided in Feil, mg/kg) C
Wu:
,——The loss obtained from the standard line, the unit is micropoint (): 0.5m. Select the mass of the drop in the liquid, the unit is gram (). 5. Day, 2. The allowable error
The value of the parallel determination results should not exceed 5% of the average micrometer of the section. Take the average value of the two card standard determination results into the determination result,
5.B.3 Complexometric titration
5. 6 3. 1. In acidic conditions, the ions will be able to form a complex with EDTA. For example, take 10 parts of EDTA as the indicator and use EDTA to standardize the solution. 5.6.3.2 Reagents and solvents 5.8.3.2.1 Acid (GB/626) 1+1. 5.6.3.2.2 Sodium hydroxide (GB/T629) solution: (NaOH) 91nl/L 5.6.3.2.3 Acetic acid (GB/T1401) solution: c(ED1A) = (.02mol/L). 5.6.3.2.4 Sodium hydroxide solution: 2g/1.5 6.3.3 Analysis steps: Weigh the whole sample of about 5g: add 50% water, 3mL nitric acid (5.6.3.2.1), heat on electric stove to 3mm for 5min, take one, neutralize with 12% nitric acid (5.6.3.2.2), add about 0.1ml dimethylformamide (5.6.3.2.1) (the solution is purple-red), at 60℃80℃, titrate with EDTA standard titration solution (5.6.3.2.3), the final titration is perfect. 4. Measure and display the results
Total amount: The value must be grams per kilogram of agricultural display, nuclear formula (4) calculation formula: actual (in terms of Fe, mg/ke) (ELITA) xx.84×t0(4)
Wuzhong:
G(EDTA-
TA standard bath concentration, the unit is mole per cloud (l/. The volume of EDTA standard bath solution, the unit is liter (mL): 55.4: The net mass of the sample, the unit is gram per mole (mo1): The mass of the sample, the unit is square (g).
5635 The optical error
must be the absolute value of the difference between the results of parallel determinations. 1 person + 10m/k, or the average of the results of two parallel determinations is the approximate result of the determination.
5.7 Lead ion
According to GH/18962. or GB/I 13035.9 Determination 5.8 Technology GB/T13023.13 Test.
6 Inspection rules
6.1 Inspection classification
6. 1.1 Type inspection
QB 2238.42005
Iron fortification nutrition quantity inspection includes one of the items in this standard. When the production is small, it should be not less than once every six months. When one of the following situations is believed, type inspection should also be carried out.
When the raw materials, technology, and equipment are changed, it may affect the product quality: 6) When the production is a long-term post-production cooperation production: Also! When the inspection results are significantly different from the last type inspection: o
d When the three quality control agencies propose type inspection requirements 6 "2 Factory inspection
The inspection items are sodium ionization, retention, moisture, water content, and particle point. 8.2 Sampling method
6.2.1 Products produced in the same way, of the same grade and delivered at one time on the same counter on the same day constitute a batch. The batches of the products are divided into batches according to 819200) 3.4.4 Transfer sample
92.2. Combine the products of the batches and use a four-point reduction plate with a spacing of not less than 10 500. When packing, clean the batches and get the density of the batches. The batches should be inspected and verified once. 93 Judgment
6.3.1 If one of the inspection results does not meet the standards, take a spare sample of the same batch of products and re-inspect it. If the inspection still does not meet the standards, the batch of products shall be classified as non-qualified. 6.3.2 The product quality shall be based on the inspection quality at the time of product delivery. The supply and demand parties shall jointly deliver the products to the unit and conduct inspection and judgment in accordance with the provisions of this standard. 6.4 Net content
The net content of the product (packaging) shall comply with the requirements of the General Administration of Quality Supervision, Inspection and Quarantine Order No. 75 (2005). Marking, packaging, transportation and storage
7.1 The packaging of this product shall be within 500 kg in bags or bottles. The packaging materials shall comply with the relevant standards of the cabinet. The product packaging shall be marked with GR7718. The following requirements shall be added:
7.2 The product can be packaged in other ways or in a polymerized medium. Only the production point is marked The product content certificate is attached: the outer packaging shall indicate the product name, specification, quantity, name and address of the manufacturer and sales agent. 1.3 The transportation container should be cleaned and should not be mixed with items that can pollute the product: during transportation and loading and unloading, the product will not be damaged and the quality will be deteriorated. The relevant personnel are responsible for the relevant work. 7.4 Ferrous salt should be kept first, and the storage warehouse should be ventilated to prevent rain and traceability. It should not be stored together with goods that can cause quality pollution. 7.5 The shelf life of ferrous salt is 12 months.The allowable error
The difference between the results of two parallel determinations should not exceed 5% of the technical average. The average value of the two card-marked determination results is taken as the determination result.
5.B.3 Complexometric titration
5. 6 3. 1. In acidic conditions, the ions will be able to form a complex with EDTA. For example, take 10 parts of EDTA as the indicator and use EDTA to standardize the solution. 5.6.3.2 Reagents and solvents 5.8.3.2.1 Acid (GB/626) 1+1. 5.6.3.2.2 Sodium hydroxide (GB/T629) solution: (NaOH) 91nl/L 5.6.3.2.3 Acetic acid (GB/T1401) solution: c(ED1A) = (.02mol/L). 5.6.3.2.4 Sodium hydroxide solution: 2g/1.5 6.3.3 Analysis steps: Weigh the whole sample of about 5g: add 50% water, 3mL nitric acid (5.6.3.2.1), heat on electric stove to 3mm for 5min, take one, neutralize with 12% nitric acid (5.6.3.2.2), add about 0.1ml dimethylformamide (5.6.3.2.1) (the solution is purple-red), at 60℃80℃, titrate with EDTA standard titration solution (5.6.3.2.3), the final titration is perfect. 4. Measure and display the results
Total amount: The value must be grams per kilogram of agricultural display, nuclear formula (4) calculation formula: actual (in terms of Fe, mg/ke) (ELITA) xx.84×t0(4)
Wuzhong:
G(EDTA-
TA standard bath concentration, the unit is mole per cloud (l/. The volume of EDTA standard bath solution, the unit is liter (mL): 55.4: The net mass of the sample, the unit is gram per mole (mo1): The mass of the sample, the unit is square (g).
5635 The optical error
must be the absolute value of the difference between the results of parallel determinations. 1 person + 10m/k, or the average of the results of two parallel determinations is the approximate result of the determination.
5.7 Lead ion
According to GH/18962. or GB/I 13035.9 Determination 5.8 Technology GB/T13023.13 Test.
6 Inspection rules
6.1 Inspection classification
6. 1.1 Type inspection
QB 2238.42005
Iron fortification nutrition quantity inspection includes one of the items in this standard. When the production is small, it should be not less than once every six months. When one of the following situations is believed, type inspection should also be carried out.
When the raw materials, technology, and equipment are changed, it may affect the product quality: 6) When the production is a long-term post-production cooperation production: Also! When the inspection results are significantly different from the last type inspection: o
d When the three quality control agencies propose type inspection requirements 6 "2 Factory inspection
The inspection items are sodium ionization, retention, moisture, water content, and particle point. 8.2 Sampling method
6.2.1 Products produced in the same way, of the same grade and delivered at one time on the same counter on the same day constitute a batch. The batches of the products are divided into batches according to 819200) 3.4.4 Transfer sample
92.2. Combine the products of the batches and use a four-point reduction plate with a spacing of not less than 10 500. When packing, clean the batches and get the density of the batches. The batches should be inspected and verified once. 93 Judgment
6.3.1 If one of the inspection results does not meet the standards, take a spare sample of the same batch of products and re-inspect it. If the inspection still does not meet the standards, the batch of products shall be classified as non-qualified. 6.3.2 The product quality shall be based on the inspection quality at the time of product delivery. The supply and demand parties shall jointly deliver the products to the unit and conduct inspection and judgment in accordance with the provisions of this standard. 6.4 Net content
The net content of the product (packaging) shall comply with the requirements of the General Administration of Quality Supervision, Inspection and Quarantine Order No. 75 (2005). Marking, packaging, transportation and storage
7.1 The packaging of this product shall be within 500 kg in bags or bottles. The packaging materials shall comply with the relevant standards of the cabinet. The product packaging shall be marked with GR7718. The following requirements shall be added:
7.2 The product can be packaged in other ways or in a polymerized medium. Only the production point is marked The product content certificate is attached: the outer packaging shall indicate the product name, specification, quantity, name and address of the manufacturer and sales agent. 1.3 The transportation container should be cleaned and should not be mixed with items that can pollute the product: during transportation and loading and unloading, the product will not be damaged and the quality will be deteriorated. The relevant personnel are responsible for the relevant work. 7.4 Ferrous salt should be kept first, and the storage warehouse should be ventilated to prevent rain and traceability. It should not be stored together with goods that can cause quality pollution. 7.5 The shelf life of ferrous salt is 12 months.The allowable error
The difference between the results of two parallel determinations should not exceed 5% of the technical average. The average value of the two card-marked determination results is taken as the determination result.
5.B.3 Complexometric titration
5. 6 3. 1. In acidic conditions, the ions will be able to form a complex with EDTA. For example, take 10 parts of EDTA as the indicator and use EDTA to standardize the solution. 5.6.3.2 Reagents and solvents 5.8.3.2.1 Acid (GB/626) 1+1. 5.6.3.2.2 Sodium hydroxide (GB/T629) solution: (NaOH) 91nl/L 5.6.3.2.3 Acetic acid (GB/T1401) solution: c(ED1A) = (.02mol/L). 5.6.3.2.4 Sodium hydroxide solution: 2g/1.5 6.3.3 Analysis steps: Weigh the whole sample of about 5g: add 50% water, 3mL nitric acid (5.6.3.2.1), heat on electric stove to 3mm for 5min, take one, neutralize with 12% nitric acid (5.6.3.2.2), add about 0.1ml dimethylformamide (5.6.3.2.1) (the solution is purple-red), at 60℃80℃, titrate with EDTA standard titration solution (5.6.3.2.3), the final titration is perfect. 4. Measure and display the results
Total amount: The value must be grams per kilogram of agricultural display, nuclear formula (4) calculation formula: actual (in terms of Fe, mg/ke) (ELITA) xx.84×t0(4)
Wuzhong:
G(EDTA-
TA standard bath concentration, the unit is mole per cloud (l/. The volume of EDTA standard bath solution, the unit is liter (mL): 55.4: The net mass of the sample, the unit is gram per mole (mo1): The mass of the sample, the unit is square (g).
5635 The optical error
must be the absolute value of the difference between the results of parallel determinations. 1 person + 10m/k, or the average of the results of two parallel determinations is the approximate result of the determination.
5.7 Lead ion
According to GH/18962. or GB/I 13035.9 Determination 5.8 Technology GB/T13023.13 Test.
6 Inspection rules
6.1 Inspection classification
6. 1.1 Type inspection
QB 2238.42005
Iron fortification nutrition quantity inspection includes one of the items in this standard. When the production is small, it should be not less than once every six months. When one of the following situations is believed, type inspection should also be carried out.
When the raw materials, technology, and equipment are changed, it may affect the product quality: 6) When the production is a long-term post-production cooperation production: Also! When the inspection results are significantly different from the last type inspection: o
d When the three quality control agencies propose type inspection requirements 6 "2 Factory inspection
The inspection items are sodium ionization, retention, moisture, water content, and particle point. 8.2 Sampling method
6.2.1 Products produced in the same way, of the same grade and delivered at one time on the same counter on the same day constitute a batch. The batches of the products are divided into batches according to 819200) 3.4.4 Transfer sample
92.2. Combine the products of the batches and use a four-point reduction plate with a spacing of not less than 10 500. When packing, clean the batches and get the density of the batches. The batches should be inspected and verified once. 93 Judgment
6.3.1 If one of the inspection results does not meet the standards, take a spare sample of the same batch of products and re-inspect it. If the inspection still does not meet the standards, the batch of products shall be classified as non-qualified. 6.3.2 The product quality shall be based on the inspection quality at the time of product delivery. The supply and demand parties shall jointly deliver the products to the unit and conduct inspection and judgment in accordance with the provisions of this standard. 6.4 Net content
The net content of the product (packaging) shall comply with the requirements of the General Administration of Quality Supervision, Inspection and Quarantine Order No. 75 (2005). Marking, packaging, transportation and storage
7.1 The packaging of this product shall be within 500 kg in bags or bottles. The packaging materials shall comply with the relevant standards of the cabinet. The product packaging shall be marked with GR7718. The following requirements shall be added:
7.2 The product can be packaged in other ways or in a polymerized medium. Only the production point is marked The product content certificate is attached: the outer packaging shall indicate the product name, specification, quantity, name and address of the manufacturer and sales agent. 1.3 The transportation container should be cleaned and should not be mixed with items that can pollute the product: during transportation and loading and unloading, the product will not be damaged and the quality will be deteriorated. The relevant personnel are responsible for the relevant work. 7.4 Ferrous salt should be kept first, and the storage warehouse should be ventilated to prevent rain and traceability. It should not be stored together with goods that can cause quality pollution. 7.5 The shelf life of ferrous salt is 12 months.4 Net content
The net content of the product (packaging) shall comply with the requirements of the General Administration of Quality Supervision, Inspection and Quarantine Order No. 75 (2005). Marking, packaging, transportation and storage
7.1 The packaging of this product shall be within 500 kg in bags or bottles. The packaging materials shall comply with the standards of the relevant cabinet. The product packaging shall be marked with GR7718. The following requirements shall be added:
7.2 The product can be packaged in other ways or in a polymerized medium. Only the production site is attached Product certificate: The outer packaging should indicate the product name, specifications, quantity, name and address of the manufacturer and sales agent. 7.3 The transportation containers should be cleaned and packed properly. They should not be mixed with items that can pollute the product. During transportation and loading and unloading, the product will not be damaged or its quality will be deteriorated. The relevant personnel are responsible for the following: 7.4 Ferrous salt should be stored carefully. The storage warehouse should be well ventilated to prevent rain and traceability. It should not be stored together with goods that can cause quality pollution. 7.5 The shelf life of ferrous salt is 12 months.4 Net content
The net content of the product (packaging) shall comply with the requirements of the General Administration of Quality Supervision, Inspection and Quarantine Order No. 75 (2005). Marking, packaging, transportation and storage
7.1 The packaging of this product shall be within 500 kg in bags or bottles. The packaging materials shall comply with the standards of the relevant cabinet. The product packaging shall be marked with GR7718. The following requirements shall be added:
7.2 The product can be packaged in other ways or in a polymerized medium. Only the production site is attached Product certificate: The outer packaging should indicate the product name, specifications, quantity, name and address of the manufacturer and sales agent. 7.3 The transportation containers should be cleaned and packed properly. They should not be mixed with items that can pollute the product. During transportation and loading and unloading, the product will not be damaged or its quality will be deteriorated. The relevant personnel are responsible for the following: 7.4 Ferrous salt should be stored carefully. The storage warehouse should be well ventilated to prevent rain and traceability. It should not be stored together with goods that can cause quality pollution. 7.5 The shelf life of ferrous salt is 12 months.
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