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!
お問い合わせ
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
ホーム > 製品センター
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: 老司机午夜精品视频无码| 久久精品国产久精国产69| 国产女厕偷窥系列在线视频| 日日噜噜噜夜夜爽爽狠狠视频| h无码动漫在线观看| 国产欧美精品一区二区三区-老狼| 天天澡夜夜澡人人澡| 精品国产乱码久久久久久鸭王1| 婷婷四房播播| 亚洲—本道 在线无码| 狼人视频国产在线视频www色| 动漫成人无码免费视频在线播| 久久精品66免费99精品| 国产免国产免‘费| 99久久综合狠狠综合久久aⅴ| 黑人巨茎大战白人美女| 精品午夜国产福利在线观看| 色8激情欧美成人久久综合电影| 国产在线无码一区二区三区视频| 国产成+人欧美+综合在线观看| 一夲道av无码无卡免费| 亚洲国产精品一区二区成人片不卡| 狠狠综合久久久久综合网址| 国产情侣一区二区三区| 永久免费无码av在线网站| 天堂久久久久va久久久久| 日韩午夜爽爽人体A片视频| 久久综合久久香蕉网欧美| 麻豆精品国产综合久久| 国产一区二区三区成人欧美日韩在线观看 | 久久国产精品99国产精| 天天澡日日澡狠狠欧美老妇| 少妇性l交大片7724com| 中文字幕三级人妻无码视频 | 亚洲a∨无码无在线观看| 中国少妇内射xxxxⅹhd| 国产乱子伦视频在线观看| 日韩少妇内射免费播放| 国产亚洲精品久久久ai换| 风韵丰满熟妇啪啪区老老熟妇 | 亚洲国产精品高清在线第1页|