HG/T 3532-2011
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
HG/T 3532-2003
Industrial circulating cooling water-Determination of ferrous sulphide for sludge and corrosion products
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
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 42513.1-2023
Methods for chemical analysis of nickel alloys—Part 1: Determination of chromium content—Potentiometric titration method with ammonium iron(II) sulfate
GB/T 15252-2014
Rubber,compounded or vulcanized―Determination of sulfide sulfur content―Lodometric 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 223.13-2000
Methods for chemical analysis of iron,steel and alloy--The ammonium ferrous sulfate titrationmethod for the determination of vanadium content
YB/T 4218-2010
Vanadium pentoxide-Determination of vanadium pentoxide content-The ammonium persulfate oxidation titrimetric method
GB/T 23834.6-2009
Chemical analysis method for stannous sulfate - Part 6: Determination of iron content - 1,10-phenanthroline spectrophotometry
YB/T 547.1-2014
Vanadium slag - Determination of vanadium pentoxide content - Ammonium ferrous sulfate titrimetric method
DB34/T 2580-2015
SN/T 3320.2-2012
JIS G 1215-3:2010
Iron and steel -- Determination of sulfur content -- Part 3: Methylene blue spectrophotometric method after separation of hydrosulfide
GB/T 4698.11-1996
Sponge titanium,titanium and titanium alloys--Determination of chromium content in the absence of Vanadium--Ammonium ferrous sulfate titration method
HB 5220.16-2008
Methods for chemical analysis of superalloys-Part 16:Determination of vanadium content by ammonium ferrous sulfate volumetric method
HB 5220.15-2008
Methods for chemical analysis of superalloys-Part 15:Determination of chromium content by ammonium persulfate oxidation-ammonium iron (Ⅱ) volumetric method
YS/T 1512.5-2021
Methods for chemical analysis of copper smelting soot-Part 5: Determination of arsenic content-Ferrous ammonium sulfate titration