GB/T 6730.83-2022
Iron ores—Determination of loss on ignition—Gravimetric method corrected by hygroscopic water (English Version)

Standard No.

GB/T 6730.83-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 6730.83-2022

Scope

This document specifies the hygroscopic water corrected gravimetric method for the determination of loss on ignition in iron ore. This document is applicable to natural iron ore, iron concentrate and artificial lump iron ore, measurement range (mass fraction): 1.0%~10.0%. The following do not apply to this document: a) processed iron ore containing metallic iron (direct reduced iron); b) natural or processed iron ore with a sulfur content exceeding 0,2 %;

GB/T 6730.83-2022 Referenced Document

• GB/T 10322.1 Iron ore sampling and sample preparation methods*， 2023-08-06 Update
• GB/T 6730.1 Iron ores.Preparation of predried test samples for chemical analysis
• GB/T 6730.3 Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 6730.83-2022 history

• 2022 GB/T 6730.83-2022 Iron ores—Determination of loss on ignition—Gravimetric method corrected by hygroscopic water

GB/T 6730.83-2022 -All Parts