ASTM-E463 › Historical Revision Information
Standard Test Method for Silica in Fluorspar by the Silico-Molybdate Visible Spectrometry
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Scope
1.1 This test method covers the determination of silica in fluorspar in concentrations from 0.5 to 10 %.
1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Significance and Use
This test method is intended as a referee method for compliance with compositional specifications for impurity content. It is assumed that all who use this procedure will be trained analysts capable of performing common laboratory practices skillfully and safely. It is expected that work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Follow appropriate quality control practices such as those described in Guide E 882
Keywords
fluorspar; photometric; silica; silico-molybdate magnesium; ICS Number Code 73.060.40 (Aluminium ores); 73.080 (Non-metalliferrous minerals)
To find similar documents by ASTM Volume:
03.05 (Analytical Chemistry for Metals, Ores, and Related Materials: E 32 - latest)
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Document Number
ASTM-E463-03
Revision Level
2003 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
June 10, 2003
Document Type
Test Method
Page Count
3 pages
Committee Number
E01.02