精品国产品国语在线不卡丶-精品国产品欧美日产在线-精品国产区一区二区三区在线观看-精品国产热久久久福利-精品国产热久久中文字幕-精品国产人成亚洲区

Silica Gel for Column-layer Chromatography



Molecular formulaxSiO2.yH2O
Enforcement standard:HG/T2354-2010
Molecular weight (SiO2):60.08
Characteristics:Thin layer chromatography silica gel is a white powder particle, the main ingredient is SiO2. Non-toxic, colorless, tasteless, insoluble in water and organic solvents, with a high specific surface and a certain pore structure, a strong adsorption properties, easy to absorb moisture.
Packing:500 g per plastic bottle, net.
UseThin layer chromatography silica gel is mainly used for pharmaceuticals, pesticides, Chinese herbal medicine, organic chemical products, oil chemical products, food, food ingredients and trace of impurities of qualitative and quantitative analysis and some material purifying and preparing. Thin layer H can also be used as a carrier for dry cleaning agent.
Storage:Store in dry and ventilated place, do not share with volatile substances, so as not to absorb moisture or other chemical substances and affect the separation performance.





Copyright(C)2024 , Qingdao Haiwan Specialty Chemicals Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice

主站蜘蛛池模板: av无码在线之家国产亚洲精品久久久久久打不开 | 无码AV喷白浆在线播放欣赏网 | 无套高清析度高潮内射视频 | 亚洲aⅴ久久久噜噜噜噜 | 精品人妻大屁股白浆无码p 精品人妻大屁股白浆无码 精品人妻大屁股白浆久久 精品人妻春 | 丁香五月综合缴情月 | 国产美女狂喷水潮在线播放 | 自偷自自拍亚洲综合精品蜜臀 | 国产传媒一区二区三区四区五区 | 亚洲丁香五月天 | 亚洲av无码国产精 | 日本国产免费一区不卡在线 | 加勒比无码一区二区三区 | 无码精品人妻一区视频 | 亚洲国产精品无码专区成人 | 亚洲成在人天堂一区二区 | 亚洲无码一级在线观看 | 日韩毛片不打码高清免费视频 | 国产白袜脚足j棉 | 免费黄色电影在线观看 | 蜜桃一区二区三区 | 国产真实乱人偷精品人妻图 | 亚洲av色婷婷在线观看 | 四虎影院国产在线播放 | 精品无码麻豆一区 | 免费无码又爽又刺激聊天app | 国产精品一区二区久久国产 | 亚洲av无码片vr一区二区 | 国产精品白浆无码流出 | 中文字幕乱码人妻一区二区三区 | 久久久久久国产一区二区三区 | 最新精品国偷自产在线 | 国产在线精品视频二区 | 少妇做爰高潮呻吟A片免费 少妇做爰免费视看片 | 国产精品久久毛片A片杨颖 国产精品久久免费视频 | 国产精品欧美日韩区二区 | 亚洲视频中文字幕在线观看 | 亚精产品一三三菠萝蜜 | 在线黄色网址 | 熟妇女人妻中文字幕在线观看 | 亚洲精品无码高潮喷水A片软 |