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GB/T 8220.7-1987 Methods for chemical analysis of bismuth--The silver diethyldithiocarbamate photometric method for the determination of arsenic content 
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GB/T 5122.12-1985 Methods for chemical analysis of brass--The acetylacetone-chloroform extraction photometric method for the determination of iron content 
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GB/T 5122.6-1985 Methods for chemical analysis of brass--The ammonium benzoate separation--EDTA complexometric titration method for the determination of aluminum content 
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GB/T 5122.4-1985 Methods for chemical analysis of brass--The ammonium ferrous sulfate titrimetric method for the determination of manganese content 
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GB/T 5122.19-1985 Methods for chemical analysis of brass--The atomic absorption spectrophotometric method for the determination of lead content 
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GB/T 5122.20-1985 Methods for chemical analysis of brass--The atomic absorption spectrophotometric method for the determination of nickel content 
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GB/T 5122.18-1985 Methods for chemical analysis of brass--The crystal violet photometric method for the determination of antimony content 
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GB/T 5122.3-1985 Methods for chemical analysis of brass--The dichromate titrimetric method for the determination of iron content 
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GB/T 5122.14-1985 Methods for chemical analysis of brass--The diethyldithiocarbamate photometric method for the determination of arsenic content 
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GB/T 5122.7-1985 Methods for chemical analysis of brass--The EDTA titrimetric method for the determination of nickel content 
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GB/T 5122.1-1985 Methods for chemical analysis of brass--The electrolytic method for the determination of copper content 
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GB/T 5122.5-1985 Methods for chemical analysis of brass--The iodine titrimetric method for the determination of tin content 
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GB/T 5122.11-1985 Methods for chemical analysis of brass--The methylene blue photometric method for the determination of sulfur content 
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GB/T 5122.9-1985 Methods for chemical analysis of brass--The molybdenum blue extraction photometric method for the determination of phosphorus content 
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GB/T 5122.16-1985 Methods for chemical analysis of brass--The molybdenum yellow photometric method for the determination silicon content 
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GB/T 5122.10-1985 Methods for chemical analysis of brass--The persulfate photometric method for the determination of manganese content 
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GB/T 5122.17-1985 Methods for chemical analysis of brass--The potassium iodide-brucine photometric method for the determination of bismuth content 
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GB/T 5122.15-1985 Methods for chemical analysis of brass--The tin-cetyl trimethyl ammonium bromide-phenylfluorone ternary complex photometric method for the determination of tin content 
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GB/T 5121.3-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of lead content 
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GB/T 5121.11-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of zinc content 
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