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 4701.1-2009
Ferrotitanium - Determination of titanium content - The ammonium ferric sulfate titration method
GB/T 661-2011
Chemical reagent - Ammonium iron(II) sulfate hexahydrate
GB/T 6730.23-2006
Iron ores - Determination of titanium content - The ferric ammonium sulfate titrimetric method
GB/T 1279-2008
Chemical reagent - Ammonium iron(III)sulfate dodecahydrate
YB/T 159.1-2015
Titanium concentrate (rock minerals) - Determination of titanium dioxide content - The ferric ammonium sulfate titrimetric method
GB/T 1279-1989
Chemical reagent—Ammonium iron (Ⅲ) sulfate dodecahydrate
GB/T 661-1992
Chemical reagent--Ammonium iron (Ⅱ) sulfate hexahydrate
20230109-T-605
Iron ores—Determination of titanium content—The ferric ammonium sulfate titrimetric method
YS/T 424.1-2022
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
YS/T 861.5-2013
Methods for chemical analysis of niobium-titanium alloy—Part 5:Determination of titanium content—The ammonium ferric sulfate titration
KS D ISO 7529-2022
Nickel alloys — Determination of chromium content — Potentiometric titration method with ammonium iron(II) sulfate
ISO 7529:2017
Nickel alloys — Determination of chromium content — Potentiometric titration method with ammonium iron(II) sulfate
GB/T 4701.1-1984
Methods for chemical analysis of ferrotitanium—The ammonium ferric sulfate volumetric method for the determination of titanium content
YS/T 360.1-2011
Methods of chemical analysis for ilmenite concentrate—Part 1:Determination of titanium dioxide content—Ferric ammonium sulfate titration
YB/T 4726.4-2021
Ferric-containing dust and sludge—Determination of siliconcontent—Silicomolybdic blue spectrophotometric methodreduced by ammonium ferrous sulfate
GB/T 22662.3-2008
Chemical analysis methods of potassium fluotitanate - Part 3: Determination of potassium fluotitanate content - By ammonium iron sulphate dodecahydrate titration volumetric method
GB/T 6730.23-1986
Methods for chemical analysis of iron ores The ferric ammonium sulfate volumetric method for the determination of titanium content