女子张开腿让男人捅爽,亚洲av香蕉一区区二区三区,亚洲成a人片在线播放,国产又大又长又粗又猛的黄视频

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

亚洲国产电影一区二区三区| 欧美黄片一区二区免费| 亚洲中文字幕国产综合| 久久99热精品首页| 93国产精品久久久久久| 九色九九综合久久爱| 欧美丰满大爆乳波霸奶水多| 国语自产精品视频二区在线| 久久久久久亚洲一区二区| 欧美日韩一级裸体黄色视| 黄色网色网色网色网色网站| 欧美日韩制服丝袜中文字幕| 欧美成人3p视频在线观看| 99久久精品视香蕉蕉| 欧美日韩激情精品久久久久久| 亚洲一区精品中文字幕| 欧美日韩一区二区三区自拍| 国产高新无码在线观看| 9久久99久久久免费精品然| 免费在线观看一本视频| 国产欧美一区二区综合日本| 亚洲人妻最新中文AV| 1024欧美一区二区三区人妻| 日韩一区二区合集影院在线观看| 欧美大片在线免费看精品一区| 精品国产99高清一区二区三区| 亚洲欧美成人激情在线| 亚洲国产日韩一区二区三区| 亚洲hhh视频在线看| 亚洲国产日韩一区二区三区| 国产一区二区综合资源| 国产精品综合久久久久久| 久久99热精品首页| 成人一级片黄色一级片| 国产欧美一区二区综合日本| 日韩电影av二区久久国产| 成人网站在线进入爽爽爽| 夫妇交换性4中文字幕无码| 欧美黑粗大长在线不卡| 国产精品人成在线观看不卡| 亚洲欧美一区二区久久|