YS/T 231-2015: Tungsten concentrate

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Scope

This Standard specifies the requirements, test methods, inspection rules, marks,
package, transportation, storage, quality certificate and orders (or contracts) for the
tungsten concentrate.
This Standard applies to tungsten concentrate products selected in mine; it can be
used for producing ammonium paratungstate, tungstic acid, ammonium
metatungstate, tungsten oxide etc.

Basic Data

Standard ID	YS/T 231-2015 (YS/T231-2015)
Description (Translated English)	Tungsten concentrate
Sector / Industry	Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard	D43
Classification of International Standard	73.060.99
Word Count Estimation	7,739
Date of Issue	2015-04-30
Date of Implementation	2015-10-01
Older Standard (superseded by this standard)	YS/T 231-2007
Quoted Standard	GB/T 1480; GB/T 4414; GB/T 6150.1; GB/T 6150.2; GB/T 6150.3; GB/T 6150.4; GB/T 6150.5; GB/T 6150.6; GB/T 6150.7; GB/T 6150.8; GB/T 6150.9; GB/T 6150.10; GB/T 6150.11; GB/T 6150.12; GB/T 6150.13; GB/T 6150.14; GB/T 6150.15; GB/T 6150.16; GB/T 6150.17; GB/T 26019
Regulation (derived from)	Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This Standard specifies the tungsten concentrate requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate and orders (or contract) content. This Standard applies to tungsten concentrates obtained by beneficiation products, for the production of ammonium paratungstate, tungstic acid, ammonium paratungstate, tungsten oxide and other uses.