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 (English Version)

Standard No.

GB/T 38812.1-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 38812.1-2020

Scope

This part of GB/T38812 specifies the determination of ferrous iron content by ferric chloride decomposition and potassium dichromate titration. This section is applicable to the determination of ferrous iron content in direct reduced iron, determination range (mass fraction): 1.00% ~ 40.00%.

GB/T 38812.1-2020 Referenced Document

• GB/T 12805 Laboratory glassware.Burettes
• GB/T 12806 Laboratory glassware.One-mark volumetric flasks
• GB/T 12808 Laboratory glass instrument single marked line pipette
• GB/T 24239 Direct reduced iron and hot briquetted iron.Sampling and sample preparation
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 38812.1-2020 history

• 2020 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

GB/T 38812.1-2020 -All Parts