Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 5122.14-1985 Methods for chemical analysis of brass--The diethyldithiocarbamate photometric method for the determination of arsenic content $60.00 via email in 1~3 business day superseded
GB 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 $45.00 via email in 1~3 business day valid
GB 5122.16-1985 Methods for chemical analysis of brass--The molybdenum yellow photometric method for the determination silicon content $30.00 via email in 1~3 business day valid
GB 5122.17-1985 Methods for chemical analysis of brass--The potassium iodide-brucine photometric method for the determination of bismuth content $45.00 via email in 1~3 business day superseded
GB 5122.18-1985 Methods for chemical analysis of brass--The crystal violet photometric method for the determination of antimony content $45.00 via email in 1~3 business day superseded
GB 5122.19-1985 Methods for chemical analysis of brass--The atomic absorption spectrophotometric method for the determination of lead content $60.00 via email in 1~3 business day superseded
GB 5122.20-1985 Methods for chemical analysis of brass--The atomic absorption spectrophotometric method for the determination of nickel content $60.00 via email in 1~3 business day valid
GB 5122.3-1985 Methods for chemical analysis of brass--The dichromate titrimetric method for the determination of iron content $45.00 via email in 1~3 business day superseded
GB 5122.4-1985 Methods for chemical analysis of brass--The ammonium ferrous sulfate titrimetric method for the determination of manganese content $45.00 via email in 1~3 business day valid
GB 5122.5-1985 Methods for chemical analysis of brass--The iodine titrimetric method for the determination of tin content $60.00 via email in 1~3 business day valid
GB 5122.6-1985 Methods for chemical analysis of brass--The ammonium benzoate separation--EDTA complexometric titration method for the determination of aluminum content $60.00 via email in 1~3 business day valid
GB 5122.7-1985 Methods for chemical analysis of brass--The EDTA titrimetric method for the determination of nickel content $45.00 via email in 1~3 business day valid
GB 5122.8-1985 via email in business day superseded
GB 5122.9-1985 Methods for chemical analysis of brass--The molybdenum blue extraction photometric method for the determination of phosphorus content $45.00 via email in 1~3 business day valid
GB 51220-2017 Technical code for municipal solid waste sanitary landfill clousure $450.00 via email in 1~3 business day valid
GB 51221-2017 Code for construction of municipal wastewater treatment plant engineering $1155.00 via email in 1~5 business day valid
GB 51222-2017 Technical code for urban flooding prevention and control $1720.00 via email in 1~5 business day valid
GB 51225-2017 Code far deign of cattle and sheep slaughtering and cutting rooms $600.00 via email in 1~5 business day valid
GB 51227-2017 Code for construction and acceptance of vertical shaft drilling $1060.00 via email in 1~5 business day valid
GB 51236-2017 Code for fie protection design of civil airport terminal $280.00 via email in 1~3 business day valid
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