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已读[493] 发布: 2013/09/10 05:47:45
Nature.com ... inexpensive reagents in water and ethanol. The simple, reliable method gives yields higher than 95%, and can produce up to 140 grams of silver nanoparticles in a single batch — hundreds of times more than routes to other nanoparticles. “It's very ...
已读[503] 发布: 2013/09/10 05:47:40
Laboratory Equipment “For high purity applications, the media is one of the most critical components of all the filtration technologies,” says Frank Firicano, Division Manager at Aries. “No one technology can do everything but ion exchange is a critical process as you move ...
已读[484] 发布: 2013/09/10 05:47:25
Newswise (press release) ... the development of catalytic asymmetric alkene hydrogenation, epoxidation, carboalumination, and so on, it still remains very challenging to prepare these classes of compounds, especially of feeble chirality, as isomerically pure (≥99%) substances ...
已读[623] 发布: 2013/09/10 02:52:19
目前全国化学试剂生产厂家有800多个,经过1997年换发许可证后,现有有证企业489个,但大部分规模较小;品种单一,主要是集中在生产225种通用试剂。例如:申请生产试剂盐酸...
已读[1410] 发布: 2013/09/09 08:15:34
Xconomy Enzymatics sells its reagents to companies like Illumina and Life Technologies, research institutions such as Harvard University, and other entities that incorporate those reagents into their own assays. That growth has freed up Enzymatics to buy ... and more »
已读[1221] 发布: 2013/08/20 08:47:12
The Biological SCENE Moreover, drug manufacturers are likely to ask excipient, raw material , and active ingredient suppliers to provide data on metals. However, not much is known about metal impurities in excipients, and those sourced from minerals and plants have ...
已读[660] 发布: 2013/07/30 15:02:25
2012年,公司市场营销的重点在电子、医药、能源、精细化工等行业,不断拓展新客户,提升超净高纯与PCB用化学试剂的市场份额和在营业收入中的比例。2012年,公司新客户...
已读[716] 发布: 2013/07/30 15:01:26
建设内容:本项目新建一条综合利用副产HCL气体、冶炼SO2尾气硫酸为原料生产高纯盐酸、硫酸试剂生产线以替代原有的生产线。新建主车间、库房、综合办公楼及化验室等...
已读[703] 发布: 2013/07/30 15:01:22
特别是在钢铁及有色金属的冶炼中控制冶炼工艺具有极其重要的地位,而在地质系统找矿、环保、农业、生物、样品中微量元素的检测,高纯金属及高纯试剂中痕量杂质的测定...
已读[675] 发布: 2013/07/30 15:01:13
Materials (SRMs )美国国家标准技术研究院(NIST)是属于美国商业部的技术管理部门NIST标准品及标准件包括:食品与农业,健康与诊断,法医学,环境,高纯试剂和工业卫生...
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