国产精品黄黄久久久免费看,成人欧美尽粗二区三区av,成人毛片A级毛片免费观看网站,国产l精品国产亚洲区久久

Products

Ethyl thiocarbamate

CAS Number: 

Major component: Sodium diethyl dithiocarbamate

Molecular Formula: (C2H5)2NCSSNa · 3H2O

Structural Formula:


Description: 
White or gale gray crystal, no pungent odour, freely soluble in water and decomposed into carbon disulfide and diethylamine etc. with acids.

Principal uses: 
The collectivity of Ethyl Thiocarbamate is similar with xanthates and dithiophosphages. Ethyl Thiocarbamate displays strong collective power and rapid flotation, low dosage in comparison with xanthates and dithiophosphates. Because its collectivity for pyrites is weak, Ethyl Thiocarbamate exhibits excellent selectivity in flotation of sulfide ores. Ethyl Thiocarbamate also exhibits the better flotation results than xanthates and dithiophosphates in flotation of copper, lead, zinc, antimony and other polymetallic sulfides. It is also used in refining of metallurgical processes, and as a promoter in rubber industry. 

Specification:

Item
Index
Sodium diethyl dithiocarbamate content % ≥ 94.0
Free alkali % ≤ 0.1
Period of validity (month) 12
Packing: 50kg/steel drum, 40kg/plastic drum


Storage & transport: To be protected from water, torrid sunlight and fire.

The pioneer and cradle of China's mineral processing and pharmaceutical industry
A mineral processing agent production enterprise integrating production, research and development, and marketing
Home

Home

About us

About us

Products

Products

Contact us

Contact us

大学生粉嫩无套流白浆| 女人在厨房被添高潮全过程a片| 无码熟妇人妻av在线影片软件| 国产激情精品一区二区三区| 第一次啪要猛j还是要温柔点| 久久人人槡人妻人人玩夜色av| 摄像头东北对白清晰| 满清十大酷刑在线观看| 国产精品无码专区在线播放| 久久99热狠狠色av蜜臀| 久精品国产欧美亚洲色AⅤ大片| 欧美FREE性XXXX护士HD| 有哪些黄色网站| 特级毛片打开直接看| 日本极品粉嫩小泬337p图片| 欧洲熟妇色xxxx欧美老妇多毛| 天天看片高清影视在线观看| 国产麻豆成人精品av| 粗大挺进朋友人妻身体里国产电影| 装睡被陌生人摸出水好爽| 夜夜高潮次次欢爽av女视频| 未满十八岁可以激光脱毛吗女生 | 亚洲va韩国va欧美va| 日产一二三区别免费必看| 五月丁香综合激情六月久久| 贵妇情欲按摩a片| 少妇┅┅快┅┅用力| 亚洲色久悠悠av在线观看| 啊灬啊灬啊灬快灬a片免费| 亚洲妇熟xxxx妇色黄| 日本爽快片18禁片免费久久| jiapanese50欧美熟妇| 国产熟女高潮视频| 色欲浪潮性色AV无码视频| 久久无码人妻一区二区三区| 人人妻人人妻人人人人妻| 精品国产三级a∨在线| 久久婷婷五月综合97色一本一本| 特黄特色老太婆bbw| 色视频无码专区在线观看| 精品久久久久久无码人妻|