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 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
SN/T 3323.2-2012
MT/T 802.2-1999
Determination of total sulfur,sulphate sulfur,pyritic sulfur of pyrite and concentrated pyrite in coal seam
ZB 21002-1990
KS M 8436-2015(2020)
Iron(II) sulfide
DB37/T 1942-2011
GB/T 15252-2014
Rubber,compounded or vulcanized―Determination of sulfide sulfur content―Lodometric method
GB/T 21932-2008
Nickel and ferronickel - Determination of sulphur content - Barium sulfate gravimctric method after alumina chromatographic separation
YB/T 4908.1-2021
Vanadium-aluminum alloy-Determination of vanadium content-Ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method
YB/T 4566.3-2016
Ferrovanadium nitride-Determination of vanadium content-Ammonium ferrous sulfate titrimetric method
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
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
GB/T 223.13-2000
Methods for chemical analysis of iron,steel and alloy--The ammonium ferrous sulfate titrationmethod for the determination of vanadium content
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
YB/T 4566.5-2016
Ferrovanadium nitride-Determination of silicon content-The sulphuric acid dehydration-gravimetric method
GB/T 42513.1-2023
Methods for chemical analysis of nickel alloys—Part 1: Determination of chromium content—Potentiometric titration method with ammonium iron(II) sulfate
JIS G 1215-3:2010
Iron and steel -- Determination of sulfur content -- Part 3: Methylene blue spectrophotometric method after separation of hydrosulfide
YB/T 4582.4-2017
Ferrosilicon nitride-Determination of sulfur content-Infrared absorption method
YB/T 4218-2010
Vanadium pentoxide-Determination of vanadium pentoxide content-The ammonium persulfate oxidation titrimetric method