性高潮久久久久久久久丨91视频在线丨日韩精品欧美在线成人丨欧美成人视丨国内视频自拍丨色婷婷av在线丨av免费黄色丨a 'v片欧美日韩在线丨av无码免费无禁网站丨国产亚洲综合aa系列丨日韩网站在线播放丨婷婷色综合视频在线观看丨日批动态图丨风韵犹存的岳的呻吟在线播放丨青春草在线视频免费观看丨午夜人体一级裸片免费观看丨欧美乱码视频丨久久久久无码精品国产app丨亚洲国产av久久久丨性欧美巨大丨久久亚洲色www成人男男丨国产区77777777免费丨国产a级精品丨国产精品无码不卡一区二区三区丨国产 日韩 欧美 制服丝袜

DOW
Dow chemical (rohm haas) is the inventor of ion exchange resin, known for leading the industry in technology. It is also the world's largest ion-exchange resin manufacturer, providing quality products and services to customers in more than 100 countries and regions.
DOW Chromatographic Packing
DOW Chromatographic Packing
Dow XAD series macroporous adsorption resin is divided into non-polar resin, weak polar resin and polar resin, respectively is based on styrene-divinylbenzene, acrylic acid and phenolic as the substrate, according to the polarity of the sample, in the field of medicine and natural products have a wide range of applications. Dow's ion exchange resin has two main categories, Amberlite FPC cationic exchange resin and Amberlite FPA cationic exchange resin, with decolorization and desalination functions. DOWEX fine spherical ion exchange resin has received more and more researchers' attention in recent years. It provides a rich selection of fine products for fine separation and application of chemicals and drugs. Currently, dow can provide 6 kinds of fine cathode and cation exchange resin with different mesh Numbers.
DOW Chromatographic Packing Data
DOW Chromatographic Packing Product categories
Online WeChat Phone 010-59812370/1/2/3 Customer TOP
Message