GB/T 7143-2010: Methods for chemical analysis of silica sand for foundry

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Scope

This standard specifies the preparation and test methods of chemical analysis specimens
of silica sand for foundry.
This standard applies to the analysis of silicon dioxide, aluminum oxide, iron oxide,
titanium oxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide
content, acid consumption value of natural silica sand, selected quartz sand, artificial
quartz sand for foundry.
The parallel determination methods in this standard can be selected according to
specific circumstances.

Basic Data

Standard ID	GB/T 7143-2010 (GB/T7143-2010)
Description (Translated English)	Methods for chemical analysis of silica sand for foundry
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J31
Classification of International Standard	71.040.99
Word Count Estimation	20,227
Date of Issue	2010-09-26
Date of Implementation	2011-02-01
Older Standard (superseded by this standard)	GB/T 7143-1986
Quoted Standard	GB/T 601; GB/T 603; GB/T 2684; GB/T 6682; GB/T 8170
Regulation (derived from)	National Standard Approval Announcement 2010 No.6 (Total No.161)
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
Summary	This standard specifies test methods for the preparation and sand casting chemical analysis of the sample. This standard applies to natural silica sand casting, selection of quartz sand and artificial quartz silica sand, alumina, iron, oxide analyzer, calcium oxide, magnesium, hydroxide, determination of sodium oxide content analysis and acid consumption values. Determination of the standard parallel, can be selected according to specific circumstances.