GB/T 6730.68-2009: Iron ores -- Determination of loss on ignition -- Gravimetric method

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Scope

This Part of GB/T 6730 specifies determination of loss on ignition (LOI) in iron
ore by gravimetric method.
This Part is applicable to determination of ignition loss in natural iron ore, iron
concentrate and sinter. The determination range (mass fraction): -
10.0%~12.0%.
This Part does not apply to processed minerals containing metallic iron, natural
or processed minerals with a sulfur content greater than 0.2% (mass fraction).

Basic Data

Standard ID	GB/T 6730.68-2009 (GB/T6730.68-2009)
Description (Translated English)	Iron ores -- Determination of loss on ignition -- Gravimetric method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D31
Classification of International Standard	73.060.10
Word Count Estimation	6,672
Date of Issue	2009-10-30
Date of Implementation	2010-05-01
Quoted Standard	GB/T 6379.2; GB/T 6730.1; GB/T 8170; GB/T 10322.1; GB/T 20565
Regulation (derived from)	National Standard Approval Announcement 2009 No.12 (Total No.152)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the method for the determination of iron ore in the weight loss on ignition (LOI). This section applies to natural iron ore. Determination of iron ore reduction and sinter burning. Measuring range (mass fraction): -10. 0% to 12. 0%.