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
YS/T 1283-2018
Potassium hexachloroplatinate (Ⅳ)
YS/T 657-2016
Potassium tetrachloroplatinate(Ⅱ)
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
YS/T 940-2013
Gold potassium citrate
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 22662.8-2008
Chemical analysis methods of potassium fluotitanate - Part 8: Determination of chloride content - Distillation-mercury nitration volumetric method
HG/T 3446-2003
Chemical reagent Chloroauric acid hydrated
GB/T 22662.3-2008
Chemical analysis methods of potassium fluotitanate - Part 3: Determination of potassium fluotitanate content - By ammonium iron sulphate dodecahydrate titration volumetric method
GB/T 38812.2-2020
Direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride
GB/T 223.73-2008
Iron, steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration method
GB/T 5686.2-2022
Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of silicon content—Molybdenum blue spectrophotometric method, silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimetric method
YS/T 657-2007
Potassium tetrachloroplatinate(Ⅱ)
YB/T 4725-2018
KS M 8075-2018(2023)
Potassium hexachloroplatinate(IV)
GB/T 22661.9-2008
Chemical analysis methods of potassium fluoborade - Part 9: Determination of chloride content - Distillation mercury nitration volumetric method
KS M 8075-2018
Potassium hexachloroplatinate(IV)
GB/T 22662.2-2008
Chemical analysis methods of potassium fluotitanate - Part 2: Determination of moisture content - By gravimetric method
YB/T 4509-2017
Direct reduced iron-Determination of metallic iron content-The potassium dichromate titration after decomposition of sample by ferric chloride
GB/T 8654.1-2007
Manganese metal, ferromanganese - silicon, ferromanganese and nitrogen - bearing ferromanganese - Determination of iron content - The ortho - phenanthrdine spectrophotometric method and the titanium trichloride - potassium dichromate titrimetric method