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
Sulfamic Acid
Name: Sulfamic Acid
Molecular Formula: NH2SO3H
Molecular weight: 97.09
CAS number: 5329-14-6
Characteristics: ●White orthorhombic crystal.
Nonvolatile, non-hygroscopic, smell-less.
Melting point is 205oC,decomposing temperature is 209oC, relative density is 2.126.
High stability at normal temperature and can maintain original quality for several years.
Freely soluble in water and liquid ammonia, strongly acidic in water solution.
Slightly soluble in methanol, insoluble in ethanol and ether.
Has double functional group of amidogen and sulphonic radical, may go on chemical reaction with many matters.
Use: For metal cleaning, removing the oxide layer on metal surface; Slightly corrosive to metal than other inorganic acid, can be used for boiler and ceramic cleaning, and sterilize bacterium in water; also can be used for bleaching fiber, wood and paper. And remove nitrite in tobacco, oil mine sludge acidification; used as raw materials for coatings and PH strip, flame retardant for cotton fiber, curing agent for resin, pesticide intermediates and raw materials for various amino acid derivatives. As important ingredient in the production of cyclamate.
Packaging, Storage and Transportation: Knitting bags with plastic linings,25kg per bag. or flexible containers with 500kg,1000kg. Stored in dry and clean place. Protection from sunshine, rain, moisture. And don’t mix with sharp objects.
Quality Index: name of index high class first class second class
sulfamic acid% ≥99.8 ≥99.5 ≥99.0s
sulphate (SO42-)% ≤0.05 ≤0.05 ≤0.03
insoluble in water% ≤0.01 ≤0.02 ≤0.3
iron (Fe3+)% ≤0.0025 ≤0.0025 ≤0.13
loss on drying% ≤0.05 ≤0.1 ≤0.005

 


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: 亚洲中文无码成人片在线观看 | 无码精品国产va在线观看| 国内精品视这里只有精品| 色婷婷五月综合激情中文字幕| 99精品偷自拍| 国产精品久久久久影院| 亚洲国产人成自久久国产| 偷偷做久久久久网站| 狠狠热精品免费视频| 国产成人亚洲精品另类动态| 国产精品久久福利网站| 亚洲人交乣女bbw| 精品亚洲一区二区三区四区五区| 午夜无码国产理论在线| 窝窝午夜看片成人精品| 亚欧洲乱码视频一二三区| 亚洲动漫精品无码av天堂| 久久国产午夜精品理论片| 亚洲另类激情专区小说图片| 国内熟女啪啪自拍| 亚洲成色在线综合网站| 国产熟妇另类久久久久婷婷| 极品人妻被黑人中出种子| 国产欠欠欠18一区二区| 四虎国产精品成人免费久久| 成人国产一区二区三区精品不卡| 色偷偷色噜噜狠狠网站久久 | 成在人线av无码免费高潮水老板 | 性生交大片免费看女人按摩| 成在线人av免费无码高潮喷水| 欧美freesex黑人又粗又大| 欧洲精品码一区二区三区免费看 | 777国产偷窥盗摄精品品在线| 成人免费直播| 久久久久88色偷偷| 精品亚洲国产成人| 久久夜色撩人精品国产av| 18处破外女出血在线| 国产主播一区二区三区在线观看| 精品国际久久久久999波多野| 久久精品无码一区二区三区免费|