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已读[632] 发布: 2013/06/09 16:58:44
spectroscopyNOW.com The next year, in 2004, hundreds of different types of food product, including soups, ready meals and curry powders, were taken off the shelves in the UK when they too were found to be contaminated with Sudan dyes . The source was an imported batch of ...
已读[29] 发布: 2013/06/08 10:49:28
1.15 标准溶液配制:取25mg顺丁烯二酸对照品,于25mL容量瓶中,加70%乙腈溶液(1.12)溶解,定容,得1mg/ml对照品母液。母液用70%乙腈溶液逐级稀释后,得1ug...
已读[298] 发布: 2013/06/08 10:48:45
Food Safety Magazine [15] through the addition of 1 mL acetonitrile and 0.25 g NaCl to whole milk. The slurry was centrifuged, and the top organic layer transferred to a separate centrifuge tube. This was then evaporated to dryness at 45 °C and reconstituted in 0.5 mL ...
已读[89] 发布: 2013/06/07 18:10:46
水产品中四环素前处理方法 1. 引言 四环素类药物(TCs)因分子结构中具有共同的氢化骈四苯环而得名,其中最常见的4 种TCs 是:土霉素、四环素、金霉素和强力霉素。...
已读[34] 发布: 2013/06/07 09:20:23
经营范围:污水处理、尿素、乙醇、乙腈回收。 最近一个会计年度的主要财务数据 单位:万元(经审计) 项目 2012年末 总资产 1,684 净资产 1,627 项目 2012年1-12...
已读[220] 发布: 2013/06/07 05:10:45
从销量上看,4月份重庆紫光亚氨基二乙腈的销量和回款均超额完成计划,双甘膦的内销也完成了销售计划,并再次突破前期销售纪录。这也折射出草甘膦产能复苏在迅速扩大。...
已读[125] 发布: 2013/06/06 19:35:16
去年7月,上证报曾推出一组草甘膦调研专题报道,证实了行业的复苏。不到一年,这个主要用于转基因作物的除草剂价格已从2.6万元/吨涨至近4万元/吨。一众草甘膦...
已读[24] 发布: 2013/06/06 10:49:43
Chemical Explorer (subscription) Chemical Report: As per the data analysis by our team, India imported roughly 943 MT of Acetonitrile in the month of March 2013.India imported most of its Acetonitrile from different countries like 344 MT (36%) from Taiwan, 193 MT (20%) from China, 189 ...
已读[28] 发布: 2013/06/06 10:49:40
Chemical Explorer (subscription) Chemical Explorer: As per the data analysis by our team, during the month of January to March 2013, India imported 2987 MT of Acetonitrile . The country imported 1390 MT of Acetonitrile in January 2013, 654 MT in February and 943 MT in March 2013. and more »
已读[308] 发布: 2013/06/05 09:41:58
Victoria Advocate Ineos, whose plant is at 13050 state Highway 185 N., Port Lavaca, is a producer of acrylonitrile, acetonitrile, hydrogen cyanide and acetone cyanohydrin, chemicals with a wide range of uses, such as creating clothing, carpeting, pesticides, water ... and more »
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