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 4702.1-2016
Chromium metal—Determination of chromium content—The ammonium ferrous sulfate titrimetric method
GB/T 32784-2016
Pig iron contenting nickel—Determination of chromium content—Ammonium per sulfate-ammonium ferrous sulfate titration method
GB/T 4699.2-2008
Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration 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
YS/T 1330.2-2019
Methods for chemical analysis of cobalt-chromium ceramic alloy-Part 2: Determination of chromium content-Ammonium ferrous sulfate titration
YS/T 1489.2-2021
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
DL 422.4-1991
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
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
DB22/T 1693-2012
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
KS D ISO 7529-2022
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
ISO 7529:2017
Nickel alloys — Determination of chromium content — Potentiometric titration method with ammonium iron(II) sulfate
YS/T 1318.2-2019
Methods for chemical analysis of tetrammine palladium (Ⅱ) sulphate-Part 2: Determination of magnesium,aluminium,chromium,manganese,iron,nickel,copper,zinc,ruthenium,rhodium,silver,tin,iridium,platinum,gold,lead and bismuth contents-Inductively coupled plasma mass spectrometry
KS E ISO 619-2021
Manganese ores — Determination of chromium content —Diphenylcarbazide photometric method and silver persulphate titrimetric method