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 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 8704.5-2020
Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method
YB/T 4566.3-2016
Ferrovanadium nitride-Determination of vanadium content-Ammonium ferrous sulfate titrimetric method
YB/T 4726.4-2021
Ferric-containing dust and sludge—Determination of siliconcontent—Silicomolybdic blue spectrophotometric methodreduced by ammonium ferrous sulfate
GB/T 8704.5-2007
Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method