GB/T 38216.4-2024
Steel slag—Determination of total iron content—Titanium(Ⅲ) chloride-potassium dichromate titration methods
GB/T 38812.2-2020
Direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride
GB/T 6730.5-2022
Iron ores—Determination of total iron content—Titrimetric methods after titanium(III) chloride reduction
GB/T 223.73-2008
Iron, steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration method
GB/T 6730.70-2013
Iron ores - Determination of total iron content - Titrimetric method after tin(Ⅱ) chloride reduction
GB/T 6730.6-2016
Iron ores—Determination of metallic iron content—Ferric chloride-sodium acetate titrimetric method
GB/T 38812.1-2020
Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride
YB/T 4726.7-2021
Ferric-containing dust and sludge—Determination of totaliron content-Titanium (Ⅲ) chloridereductionpotassium dichromate titration method
YB/T 4509-2017
Direct reduced iron-Determination of metallic iron content-The potassium dichromate titration after decomposition of sample by ferric chloride
GB/T 6730.65-2009
Iron ores - Determination of total iron content - Titanium(III) chloride reduction potassium dichromate titration methods(routine methods)
YB/T 4725-2018
HG/T 5042-2016
Phosphorus pentachloride for industrial use-Determination of iron content-Spetrophotometric method
HG/T 4210-2011
YB/T 159.2-2015
Titanium concentrate (rock minerals) - Determination of total iron content - The titanium chloride-potassium dichromate titrimetric method
YB/T 4510-2017
Direct reduced iron-Determination of iron(Ⅱ) content-The potassium dichromate titration after decomposition of sample by ferric chloride
GB/T 6730.5-2007
Iron ores—Determination of total iron content—Titanium(Ⅲ)chloride reduction methods
SN/T 2763.3-2012
Chemical analysis of nickel laterite ore-Part 3:Determination of total iron content-Titanium(Ⅲ)chloride reduction methods
DB22/T 1694-2012
GB/T 8654.1-2007
Manganese metal, ferromanganese - silicon, ferromanganese and nitrogen - bearing ferromanganese - Determination of iron content - The ortho - phenanthrdine spectrophotometric method and the titanium trichloride - potassium dichromate titrimetric method
KS E ISO 10213-2021
Aluminium ores — Determination of total iron content —Titanium trichloride reduction method