QB/T 1790-2011 PDF English
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QB/T 1790: Historical versions
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| QB/T 1790-2011 | English | 189 | Add to Cart | 3 days [Need to translate] | Rose crystals |
| QB/T 1790-1993 | English | 199 | 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| Older Standard (superseded by this standard) | QB/T 1790-1993 |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. |