Number
Name
Status
- GB/T 33948.2-2017 《Method for chemical analysis of copper-steel composite metal—Part 2：Determination of zinc content—Na2EDTA titration method》 Active Products
- GB/T 601-2016 《Chemical reagent—Preparations of reference titration solutions》 Active Products
- GB/T 5174-2018 《Surface active agents—Detergents—Determination of cationic-active matter content—Direct two-phase titration procedure》 Active Products
- GB/T 5124.3-2017 《Hardmetals—Part 3：Determination of cobalt—Potentiometric method》 Active Products
- GB/T 13747.1-2017 《Methods for chemical analysis of zirconium and zirconium alloys—Part 1：Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry》 Active Products
- GB/T 1819.10-2017 《Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method》 Active Products
- GB/T 1819.12-2017 《Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration》 Active Products
- GB/T 34499.1-2017 《Method for chemical analysis of iridium compounds—Part 1: Determination of iridium content—Electricity titration using ferrous sulfate》 Active Products
- GB/T 4698.12-2017 《Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 12：Determination of vanadium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry》 Active Products
- GB/T 8454-2020 《Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method》 Active Products
- GB/T 8704.5-2020 《Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method》 Active Products
- GB/T 38812.1-2020 《Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride》 Active Products
- 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》 Active Products
- GB/T 4698.10-2020 《Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10：Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry（with vanadium）》 Active Products
- GB/T 38114-2019 《Nanotechnologies—Quantitative analysis of the surface oxygen functional groups on graphene materials—Chemical titration method》 Active Products
- GB/T 12688.5-2019 《Test method of styrene for industrial use—Part 5：Determination of the content of total aldehydes—Titrimetric method》 Active Products
- GB/T 24583.1-2019 《Vanadium-nitrogen—Determination of vanadium content—Ammonium ferrous sulfate titration method》 Active Products
- GB/T 24583.3-2019 《Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method》 Active Products
- GB/T 5173-2018 《Surface active agents—Detergents—Determination of anionic-active matter content—Direct two-phase titration procedure》 Active Products
- GB/T 40970-2021 《Determination of ammonia in cosmetics—Titration method》 Active Products
- GB/T 40795.1-2021 《Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1: Determination of cerium content—Ammonium ferrous sulfate titration method》 Active Products
- GB/T 17832-2021 《Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using potassium bromide》 Active Products
- GB/T 18996-2021 《Silver jewellery alloys—Determination of silver—Volumetric(potentiometric) method using sodium chloride or potassium chloride》 Active Products
- GB/T 20373-2021 《Determination of acetyl content in modified starch—Titrimetric method》 Active Products
- GB/T 39748.10-2021 《Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 10:Determination of extractable polymer content by potentiometric titration》 Active Products
- GB/T 39719-2020 《Field and concentrated natural rubber latices—Determination of magnesium content—Cyanide-free titrimetric method》 Active Products
- GB/T 39138.1-2020 《Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—Potentiometric titration using ferrous sulfate》 Active Products
- GB/Z 39124-2020 《Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method》 Active Products
- GB/T 6730.82-2020 《Iron ores—Determination of barium content—EDTA titrimetric method》 Active Products
- GB/T 5686.7-2022 《Ferromanganese，ferromanganese-silicon，nitrogen-bearing ferromanganese and manganese metal—Determination of sulfur content—Infrared absorption method and combustion-neutralization method》 Active Products