GB/T 6730.9-2016: Iron ores - Determination of silicon content - Silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate

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Scope

This Part of GB/T 6730 specifies the determination of silicon content through the
silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate.
This Part is applicable to the determination of silicon content in natural iron ore, iron
concentrate, sinter and pellets. The range of determination (mass fraction) is: 0.10% ~ 5.00%.

Basic Data

Standard ID	GB/T 6730.9-2016 (GB/T6730.9-2016)
Description (Translated English)	Iron ores - Determination of silicon content - Silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D31
Classification of International Standard	73.060
Word Count Estimation	10,164
Date of Issue	2016-10-13
Date of Implementation	2017-09-01
Older Standard (superseded by this standard)	GB/T 6730.9-2006
Regulation (derived from)	National Standard Notice No.1716 of 2016
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