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
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 4701.1-2009
Ferrotitanium - Determination of titanium content - The ammonium ferric sulfate titration method
GB/T 6730.23-2006
Iron ores - Determination of titanium content - The ferric ammonium sulfate titrimetric method
YB/T 4392.1-2014
Sulphat titanium slag - Determination of lower valent titanium oxide content - Titanium trichloride titration
YB/T 4392.2-2014
Sulphat titanium slag - Determination of metallic iron content - Dichromate titrimetric method
YB/T 159.1-2015
Titanium concentrate (rock minerals) - Determination of titanium dioxide content - The ferric ammonium sulfate titrimetric method
GB/T 5059.1-2014
Ferromolybdenum―Determination of molybdenum content―Lead molybdate gravimetric method,ammonium metavanadate titration method and 8-hydroxyquinoline gravimetric method
YS/T 424.1-2022
20230109-T-605
Iron ores—Determination of titanium content—The ferric ammonium sulfate titrimetric method
EJ/T 267.3-1984
DZ/T 0454.1-2023
T/CSTM 00660.2-2023
\u0413\u041e\u0421\u0422 29336-92
Ammonium sulphate for industrial use. Determination of free acid content. Titrimetric method