日本成本人片视频免费-男人猛戳女人30分钟视频大全-久久青草国产免费频观-欧美丰满大爆乳波霸奶水多-免费午夜无码18禁无码影院

Welcome to Qinhuangdao Tianzi Chemical Industry Co.,Ltd Website!
Contact us
Tel:+86-335-5978826
Address: Green Chemical Industry Garden, Lulong Economic Development Zone, Qinhuangdao City, Hebei Province, China.
Mobile:+86-15227250682,
+86-13313337629
E-mail:tzchem@163.com;
tzchem@tianzichem.com
tzsales@tianzichem.com
Home > Product
Guanidine thiocyanate
Name: Guanidine thiocyanate
Molecular Formula: C2H6N4S
Molecular weight: 118.18
CAS number: 593-84-0
Characteristics: White puff crystal. Soluble of water
Use: Biomedicine, chemical reagents, etc. It can be used as chaotropic agent and denaturant to denaturate and cleave cells, extract RNA and DNA, and as adsorbent of DSSC to improve the conversion rate of DSSC.
Packaging, Storage and Transportation: Knitting bags with double plastic liners, 25kg per bag.Keep in dry and clean storage protection from sunshine, moisture following the rules for transporting and storing normal chemicals.
Quality indicator: Name of index High class

Guanidine thiocyanate≥%

99.5%

Water-Insoluble≤%

0.15%

Water ≤%

0.3%

Ash≤%

0.1%
 

NH4CL≤%

0.1%
 

Melt Point°C

118-121
 

PH Value

5-7
 

Fe≤%

0.1PPM
 

Absorbance (280nm) 3M in Water

0.4
 

Absorbance (300nm) 3M in Water

0.05

 

  


Copyright(C)2017,Qinhuangdao Tianzi Chemical Industry Co.,Ltd All Rights Reserved. ?Supported by ?ChemNet?ChinaChemNet?Toocle?Copyright Notice
Tel:+86-335-5978826 Fax:+86-335-5978826 E-mail:tzchem@163.com; Contact: Mr liu +86-13931486198
主站蜘蛛池模板: 日本少妇???喂切| 精品无码久久久久成人漫画| 超碰aⅴ人人做人人爽| 亚洲精品久久久久午夜福利| 永久免费看mv网站入口亚洲| 欧美疯狂做受xxxx| 日韩成人无码| 五月丁香久久综合网站| 丰满大爆乳波霸奶| 国产真实乱对白精彩久久老熟妇女 | 国产色综合天天综合网| 少萝疯狂?喷水自慰| 久草热8精品视频在线观看| 亚洲最大成人一区久久久| 自怕偷自怕亚洲精品| 少妇群交换bd高清国语版| 中文字幕久久熟女人妻av免费| 亚洲人成网站18禁止大| 亚洲午夜未满十八勿入| 无码人妻丝袜在线视频| 中文字幕不卡av无码专线一本| 女人被爽到高潮视频免费国产| 国产高清无套内谢| 无码专区aaaaaa免费视频| av在线亚洲男人的天堂| 国产乱人伦偷精品视频免下载| 丰满少妇人妻无码| 老牛精品亚洲成av人片| 三上悠亚久久精品| 国产看黄网站又黄又爽又色| 2021年国产精品每日更新| 人妻系列无码专区av在线 | 青楼妓女禁脔道具调教sm| 在线播放偷拍一区精品| 300部国产真实乱| 国产精品久久久爽爽爽麻豆色哟哟 | 丝袜自慰一区二区三区| 亚洲多毛妓女毛茸茸的| 日本一区二区三区免费播放视频站| 尤物九九久久国产精品| 国产真人无码作爱视频免费|