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

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Scope

This document specifies the method for the determination of loss on ignition in iron ores using
gravimetric method corrected by hygroscopic water.
This document is applicable to natural iron ores, iron concentrations and artificial lumpy iron
ores, with a determination range (mass fraction) of: 1.0% ~ 10.0%.
This document does not apply to the following circumstances:
a) Processed iron ores containing metallic iron (direct reduced iron);
b) Natural or processed iron ores with sulfur content exceeding 0.2%;
c) Natural or processed iron ores with ferrous oxide content exceeding 1.0% (mass
fraction).

Basic Data

Standard ID	GB/T 6730.83-2022 (GB/T6730.83-2022)
Description (Translated English)	Iron ores - Determination of loss on ignition - Gravimetric method corrected by hygroscopic water
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D31
Classification of International Standard	73.060.10
Word Count Estimation	14,192
Date of Issue	2022-10-14
Date of Implementation	2022-10-12
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration