GB/T 6730.1-2016: Iron ores -- Preparation of pre-dried test samples for chemical analysis

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Scope

This Part of GB/T 6730 specifies the preparation of predried test samples for the chemical
analysis of iron ores.
This Part is applicable to natural iron ores, iron concentrates and agglomerates, and includes
the preparation of predried test samples in sintered products for chemical analysis.
This Part does not apply to direct reduced iron test samples containing metallic iron, natural or
processed iron ore test samples containing more than 0.2% (mass fraction) of sulfur or more
than 2.5% (mass fraction) of chemically combined water. The above-mentioned test samples
shall adopt GB/T 6730.3.
NOTE 1: loss on ignition can be used to estimate the content of chemically combined water.
NOTE 2: for all samples, GB/T 6730.3 can be adopted to determine the moisture absorption
capacity.

Basic Data

Standard ID	GB/T 6730.1-2016 (GB/T6730.1-2016)
Description (Translated English)	Iron ores -- Preparation of pre-dried test samples for chemical analysis
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D31
Classification of International Standard	73.060
Word Count Estimation	7,764
Date of Issue	2016-02-24
Date of Implementation	2016-11-01
Older Standard (superseded by this standard)	GB/T 6730.1-1986
Regulation (derived from)	National Standard Announcement No
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