露脸叫床粗话东北少妇,五十路熟女人妻一区二区,人妻が夫の前寝取混浴温泉,caoporen免费精品视频

Products

Sodium ethyl xanthate

Sodium ethyl xanthate
CAS Number: 140-90-9
Molecular Formula: C2H5OCSSNa
Structural Formula:

Description:
A yellowish powder or pellet with a pungent odour, soluble in water. It can form insoluble compounds with metallic ions e.g.: cobalt, copper and nickel etc.

Principal uses: 
As a collector, the selectivity of sodium ethyl xanthate is the most strong in xanthate line. It is widely used in the preferential flotation of fine flotability or complex sulfide minerals. It is also used in the flotation of copper, lead oxide ores in conjunction with vulcanizing agents. It is also used as precipitant in hydrometallurgical processes(eg. the refining of zinc electrolyte) and as sulfidation promoter of rubber.

Specification:

Item Drying Synthetic
Pellet Powder
Sodium ethyl xanthate %≥ 90.0 90.0 82.0
Free alkali %≤ 0.2 0.2 0.5
Moisture and volatile %≤ 4.0 4.0
___
D(mm) 3~6
___
___
L(mm) 5~15
___
___
Period of validity(month) 12 12 6
Packing 50kg/plastic woven bags, 110kg/steel drum, 800kg/plywood box 50kg/plastic woven bag, 120kg/steel drum 130kg/steeldrum, 40kg/plastic woven bag


Storage & transport: To be protected from damp, 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

女人18毛片水真多| 日韩欧美一中文字暮专区| 色情放荡肉欲小说免费听书 | 国产男女做爰猛烈叫床小说 | 俄罗斯少妇性做爰片| 97无码欧美熟妇人妻蜜桃天美| 国内少妇人妻偷人精品xxx | 久久久久久99av无码免费网站| 成人综合伊人五月婷久久| 久久久久久久久久久精品| 国产sm鞭打折磨调教视频| 乱肉黄蓉合集500篇| 你日的我走不了路了| 金梅瓶在线观看| 女人为啥摸几下就让进了 | 双性受抽搐潮喷调教老师与学生 | 免费无码一区二区三区| 免费看韩国黄a片在线观看 | 嫂子的职业在线观看| 国产精品女a片爽爽波多洁衣| 久久偷看各类wc女厕嘘嘘偷窃| 免费特级毛片| 丰满人妻中伦妇伦精品app| 国内最真实的xxxx人伦| 富婆被躁30分钟黑人大战| 久久久久人妻一区精品色欧美| 乳欲人妻办公室奶水在线电影国产| 男人撕开奶罩揉吮奶头gif| 久久er99热精品一区二区| 日韩人妻无码一区二区三区免费| 成色au999| 将军边走边挺进她的小泬| 亚洲日韩欧美一区二区三区| 国产农村熟妇出轨videos| 亚洲第一成人网站| 无码人妻精品一区二区三区夜夜嗨| 国产成人一区二区三区影院动漫| 国产午夜精品一区理论片飘花| 爽爽影院片午夜爽一爽| 帅帅的gay吊大且硬喷浓精| 国产69堂一区二区三区在线观看|