This standard is applicable to the simultaneous determination of alloying elements and impurities in aluminum and aluminum alloys. GB/T 7999-2000 Photoelectric (photometric) emission spectral analysis method for aluminum and aluminum alloys GB/T7999-2000 Standard download decompression password: www.bzxz.net

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National Standard of the People's Republic of China
GR/T 7999—2000
Photoelectric (photometric) emission spectrum analysis method of aluminum and its alloys2000-08-28 Issued
2000-12-01 Implementation
State Administration of Quality Supervision, Inspection and Quarantine
GH/T79992000
G939--Spectrum analysis for sales and joint ventures was established on August 8, and the official daily vehicle limit has exceeded the vehicle limit. As production and egg trading continue to change, it is necessary to revise the original standard. This music certificate starts benefit ratio foreign Sichuan beautiful filling transportation standard, seek survival majority; home Sichuan benefit set: lead original increase main evil number as follows Xie Ting: Shenzhen has divided the standard quantity · the original heart Beijing increased 21 years, 2 report according to production tour to expand: divide yuan search internal divide seek, 3: to Beijing market standard divide quality to make a broad dining order. Who is born from 7 fast replacement? 999-19, wood standard out of non-ferrous metals: industry after the release, this international standard Shan Yi non-ferrous metals industry standard staff research institute negative import standard beach anti-top frame factory, West warehouse processing! Start. Standard starter: profit, total blue, rice pure, wide reduction, 1 scope of application
National Standard of the People's Republic of China
Aluminum and aluminum alloy photoelectric (photometry)
Emission spectrum analysis method
Siatdard meibod for dirrct readinglng spectromeriricanalysis of aluminum and its alloysGBT7999
17009—:087
Not applicable to the standard! Introduce and commonly used residual elements and impurity elements in the double determination, the total measurement of each element and create a dry table! Table 1. Determination range of death rate
Approved by the State Administration of Quality Supervision, Inspection and Quarantine on August 28, 2000
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2 Method Summary
GB:T7599—2000
The main standard sample of the micro-luminescence system is separated into a system flow dispersion light consultation, and the white light control system and the color system temperature reduction are given to prevent the good conversion and flow rate. Based on the relevant standard products, the test results of the test plan are as follows:
3 Auxiliary equipment, materials, environment
3.: The sample is opened for service: the car is based on or system: 3.2 Standard material (standard sample) is a new material of the high stability (standard sample) when the family or recognized high-level effective sterilization test (adjustment sample), original effect 1 standard win quality [standard sample composition and lemon test selection of ethics and other more and danger will allow the whole vehicle to cause 3.3 micro-interval political channel teaching trap or light city for the discussion said thank you recently request. 3 standard source set north line: composition according to the instrument to be equipped with water or not 3.5 photoelectric photoelectric mega-safe room environment: anti-combustion dry out · anti-need and pill body labor certificate · product, humidity according to the instrument fee request control, 4 instrument
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GH/ 7999—2000
61.3 The specified tablets shall be tested for strength (10 times or more) and the statistical comparison shall be made with the original data. The dosage form shall only be used for the relevant parts such as the first registration of the hospital case, etc.) and the standard materials (see the standard for details) according to the type and chemical composition of the test column. 6.3 The chemical composition of the test product shall be tested for the specific type of inflammation. According to the test or the recommendation of the book, select the payment conditions of the three (the case is listed in Table 3, the expansion line (the common internal analysis and extension machine are listed in Table 4), Table 3, the final part of the system
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54 points folding line from the text effect curve download follow luxury school 1 test \ Beijing start strength of the respectful writing: Shengwenban analysis mountain line The standard substance (standard sample) is used for the calibration test. Each sample is stimulated 8 to 10 times, and half of the value is collected and stored. The standard substance (standard sample) is the following average value: The analysis is carried out by combining the corresponding step-by-step (or including the early ratio) sample. Under the continuous shift of the 65-point curve, the analysis of the sample is carried out again on one or more control samples. , the analysis used is recognized by the system drift, if the curve has drifted, use the correction test to When the test sheet is split, the test shall be conducted at least twice, and the average of the results shall be used as the final result. The main point is: according to the number of mature products, the number of products specified in the product standard shall be adjusted to the number of uses. 1: The source dream stop style can be selected in the sub-qu standard (standard product selection), or it can be not sent (different purchase Or by yourself but must ensure the normal balance.
2 control test can be carried out in the price curve direction standard material test product, stop, can be made by yourself must ensure the daily low flag, +
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G/ 7999 200
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