HG/T 2678-2015
Basic chromium sulphate for industrial use
GB/T 4702.1-2016
Chromium metal—Determination of chromium content—The ammonium ferrous sulfate titrimetric method
HG/T 2678-2007
Basic chromium sulphate for industry use
GB/T 32784-2016
Pig iron contenting nickel—Determination of chromium content—Ammonium per sulfate-ammonium ferrous sulfate titration method
HG/T 2678-1995
GB/T 4699.2-2008
Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration method
YS/T 1330.2-2019
Methods for chemical analysis of cobalt-chromium ceramic alloy-Part 2: Determination of chromium content-Ammonium ferrous sulfate titration
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
YS/T 1489.2-2021
DL 422.4-1991
HB/Z 5107.11-2004
Methods for analysis of chemical oxidation solution for magnesium alloy-Part 11:Determination of sodium bichromate content in sodium bichromate and magnesium sulfate oxidation solution by potentiometric method
HB/Z 5218.18-2004
Methods for chemical analysis of aluminium alloys-Part 18:Determination of chromium 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
GB/T 36226-2018
Stainless steel—Determination of manganse, nickel, chromium, molybdenum, copper and titanium—Handheld energy dispersive X-Ray fluorescence spectrometric method (semiquantitative method)
HB/Z 5107.10-2004
Methods for analysis of chemical oxidation xolution for magnesium alloy-Part 10:Continual determination of manganese sulfate and magnesium sulfate content in sodium bichromate and magnesium sulfate oxidation solution by EDTA volumetric method
20231327-T-605
Ferrochromium, silicochromium, nitrogen-bearing ferrochromium and high nitrogen ferrochromium-Determination of chromium content-The ammonium persulfate oxidation titrimetric method and potentiometric titration method
DB22/T 1693-2012
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
YS/T 807.4-2012
Chemical analysis methods of aluminum hardeners—Part 4:Determination of chromium content—The ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method