中文字幕精品无码亚洲字幕蜜芽,无码视频一区二区三区,国产精品久久午夜夜伦鲁鲁,攵女h上下耸动

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

男人放进女人阳道视频观看| 嫩模超大胆大尺度人体写真| 老师你下面太紧了拔不出来| 粗大挺进朋友人妻身体里国产电影| 99精品久久99久久久久| 18禁白丝喷水视频www视频| 色多多app| 老熟女av福利网址导航| 蜜臀av人妻国产精品李丽| 婷婷综合另类小说色区| 9色丨porny丨人妻| 两根大肉大捧一进一出好爽视频| 国产免费内射又粗又爽密桃视频| 国产精品天干天干在线播放| 做床爱视频真人版无遮挡免费| 好男人在线社区www在线影院| 啊轻点灬太粗嗯太深了| jizjizjiz日本护士18| 奇米影视7777久久精品人人爽| bl道具play珠串震珠强迫| 熟女chachacha性少妇| 双性精跪趴灌满h室友| 欧美一区二区三区成人久久片| 第一次进入女朋友的身体注意事项| 老bwbwbwbwbwbwbw| 少妇高潮a片无套内谢麻豆传 | 亚洲国产精品suv| 国产老头老太作爱视频| 杨敏思版1-5完整无删减版| 国产猛男gayb0y1069| 肉乳乱无码a片观看免费| 久久一区二区三区精华液| 国产超碰人人模人人爽人人添| 捏胸吻胸添奶头gif动态图| 婷婷色啪啪色窝窝一区| 男大学生自慰勃起chinese| 调教yin荡女友系列合集| 学生姝被内谢出白浆| xxx摘花处破女疼痛| 欧美bbbwbbwbbwbbw| 国产未成女一区二区三区|