GB/T 6901.3-2004: Chemical analysis of silica refractories -- Part 3: Determination of silicon dioxide -- Hydrofluoric acid gravimetric method

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Scope

This part specifies the hydrofluoric acid gravimetric method to determine silicon
dioxide.
This part applies to the determination of silicon dioxide in silica refractories.
Measuring range (mass fraction) is greater than 95.00%.

Basic Data

Standard ID	GB/T 6901.3-2004 (GB/T6901.3-2004)
Description (Translated English)	Chemical analysis of silica refractories-Part 3: Determination of silicon dioxide-Hydrofluoric acid gravimetric method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q40
Classification of International Standard	81.080
Word Count Estimation	6,614
Date of Issue	2004-01-19
Date of Implementation	2004-07-01
Older Standard (superseded by this standard)	GB/T 6901.3-1986
Regulation (derived from)	Announcement of Newly Approved National Standards 2004 (total 64) 2; Announcement of Newly Approved National Standards No. 7, 2008 (No. 120 overall)
Issuing agency(ies)	State Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China China National Standardization Administration Committee