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

Amino-dithiophosphate

CAS Number: 

Major component: Thiophosphoric acid containing netrogen

Molecular Formula: (C6H5NH)2PSSH

Description: 
A white powder, insoluble in water, but soluble in alcohol, alkali liquor

Principal uses:
Amino-dithiophosphate is used in the flotation of non-ferrous metallic sulfide minerals. The collectivity of the amino-dithiophosphate is stronger, the selectivity of it is good. This reagent is mainly used in the flotation of lead and copper minerals in the presence of sphalerite and iron sulfide. It is also effective on raising recovery ratio of the flotation of gold or silver. Because amino-dithiophosphate is used in the flotation process, sometimes the cyanides as a depressant of sphalerite may be omitted.

Specification:

Item
Index
Nitrogen content %≥ 8.2
Period of validity (month) 24
Packing: 100kg/steel drum


Storage & transport:
To be protected from water, torrid sunlight and fire, no lain down, no upside down.

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

交换玩弄两个美妇教师视频| 少妇把腿扒开让我添| 唱歌的大姐姐也想做| 久久久久成人精品免费播放动漫| 亚洲精品无码高潮喷水a片| 猛烈h继攵禁忌h| 放荡老师张开双腿任我玩| 局长人妻互换不带套| 你日的我走不了路了| 国产精品婷婷久久爽一下| 欧美亚洲精品suv| 久久久婷婷五月亚洲97号色| 饥渴少妇a片aaa毛片小说| 2022最新韩国理伦片在线观看| 亚洲一区二区三区写真| rh男男车车的车车视频软件 | 日本高清视频www| 欧美亚洲一区二区三区| 人善交xuanwen200| 女人被狂躁c到高潮视频| 少妇激情一区二区三区视频| 麻豆妓女爽爽一区二区三| 国产精品久久久久久久久久免费| 高洁在公车被灌满jing液| 我等不及了就在这做吧| 特级毛片打开直接看| 一边做一边说国语对白| 日本护士做爰视频| 无套内谢的新婚少妇国语播放| 阿凡达在线观看| 农村嫖妓chinese城中村| 黑人一个接一个上来糟蹋| 雨后的小故事| 荫蒂每天被三个男人添视频| 韩国电影妈妈的朋友| 久久久久夜色精品国产明星| 大战熟女丰满人妻av| 亚洲av中文无码乱人伦在线视色| 国产边打电话边被躁视频| 三上悠亚ssni绝顶を教え込ま| 欧美jizz18性欧美|