QB/T 1790-2011 English PDF

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
QB/T 1790-2011: Rose crystals
Status: Valid

QB/T 1790: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
QB/T 1790-2011	189	Add to Cart	3 days	Rose crystals	Valid
QB/T 1790-1993	199	Add to Cart	2 days	(Crystal Rose)	Obsolete

Similar standards

GB 1886.38   GB/T 11539   GB/T 11538   QB/T 1782   QB/T 1788   QB/T 1780   

Basic data

Standard ID: QB/T 1790-2011 (QB/T1790-2011)
Description (Translated English): Rose crystals
Sector / Industry: Light Industry Standard (Recommended)
Classification of Chinese Standard: Y41
Classification of International Standard: 71.100.60
Word Count Estimation: 7,771
Date of Issue: 2011-12-20
Date of Implementation: 2012-04-01
Older Standard (superseded by this standard): QB/T 1790-1993
Quoted Standard: GB/T 11538-2006; GB/T 11539-2008; GB/T 14454.2; GB/T 14455.3; GB/T 14457.3
Regulation (derived from): Ministry of Industry and Information Technology Notice No. 43 of 2011
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the requirements for crystallization Rose, test methods, inspection rules and signs, packaging, transport, storage, shelf life. This standard applies to benzaldehyde or benzene as raw material, through a series of chemical reactions quality synthetic crystals obtained were analyzed and evaluated roses.

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