YS/T 1318.1-2019
Methods for chemical analysis of tetrammine palladium(Ⅱ)sulphate-Part 1:Determination of palladium content-Dimethylglyoxime gravimetry
GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
HG/T 2784-1996
GB/T 505-1965
Determination of mercaptan-sulfur in engine fuels (ammonia-copper sulfate method)
YS/T 1318.2-2019
Methods for chemical analysis of tetrammine palladium (Ⅱ) sulphate-Part 2: Determination of magnesium,aluminium,chromium,manganese,iron,nickel,copper,zinc,ruthenium,rhodium,silver,tin,iridium,platinum,gold,lead and bismuth contents-Inductively coupled plasma mass spectrometry
KS M ISO 3332-2017
Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M ISO 3332-2017(2022)
Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
GB/T 6730.42-2017(\u82f1\u6587\u7248)
铁矿石 铅含量的测定 双硫腙分光光度法
GB/T 6730.8-2016(\u82f1\u6587\u7248)
铁矿石 亚铁含量的测定 重铬酸钾滴定法
GB/T 5195.19-2018
Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method
GB/T 20365-2006
Determination method for chondroitin sulfate and glucosamine hydrochloride - Liquid chromatography method
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB/T 23834.5-2009
Chemical analysis method for stannous sulfate - Part 5: Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometry
GB/T 1516-2006
Manganese ores - Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometric method
GB/T 7043.2-2001
Rubber--Determination of copper content--Zinc diethyldithiocarbamate photometric method
ISO 2899:1974
Sulphuric acid and oleums for industrial use — Determination of ammoniacal nitrogen content — Spectrophotometric method
ISO 3332:1975
Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
YS/T 1605.2-2023
SN/T 0839.8-1999