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QB/T 1790-2011 PDF English

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QB/T 1790-2011: Rose crystals
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QB/T 1790: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
QB/T 1790-2011English189 Add to Cart 3 days [Need to translate] Rose crystals
QB/T 1790-1993English199 Add to Cart 2 days [Need to translate] (Crystal Rose)

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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 7,758
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Older Standard (superseded by this standard) QB/T 1790-1993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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