GB/T 1873-1995: Phosphate rock and concentrate. Determination of silicon dioxide content. Gravimetric and volumetric methods

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Scope

This Standard specifies the determination of silicon dioxide content by
perchloric acid dehydration gravimetric method.
This Standard applies to the determination of silicon dioxide content that is
greater than 1 % in phosphate rock and concentrate products.

Basic Data

Standard ID	GB/T 1873-1995 (GB/T1873-1995)
Description (Translated English)	Phosphate rock and concentrate. Determination of silicon dioxide content. Gravimetric and volumetric methods
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D51
Classification of International Standard	73.08
Word Count Estimation	5,523
Date of Issue	12/20/1995
Date of Implementation	8/1/1996
Older Standard (superseded by this standard)	GB/T 1873-1980
Adopted Standard	AFPC-1980, NEQ
Issuing agency(ies)	State Bureau of Technical Supervision
Summary	This standard specifies the determination of silica content perchloric acid dehydration gravimetric method. This standard applies to phosphate rock and phosphate concentrate product silica content greater than 1% of the measurement.