YS/T 223-2007 English PDF

US$229.00 · In stock
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YS/T 223-2007: Selenium
Status: Valid

YS/T 223: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 223-2007	229	Add to Cart	3 days	Selenium	Valid
YS/T 223-1996	279	Add to Cart	3 days	Selenium	Obsolete
YS/T 223-1994	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

Similar standards

GB/T 12963   YS/T 1154   YS/T 1109   YS/T 68   

Basic data

Standard ID: YS/T 223-2007 (YS/T223-2007)
Description (Translated English): Selenium
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H81
Classification of International Standard: 77.150
Word Count Estimation: 7,742
Date of Issue: 2007-11-14
Date of Implementation: 2008-05-01
Older Standard (superseded by this standard): YS/T 223-1996
Regulation (derived from): NDRC Notice No. 77 of 2007
Issuing agency(ies): National Development and Reform Commission
Summary: This standard specifies the selenium requirements, test methods, test rules, marking, packaging, transportation and storage. This standard applies to copper, lead, zinc and other metallurgical production process selenium comprehensive recovery after further separation and purification of the raw material obtained selenium.

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