奶头被医生摸得受不了,白洁少妇高义全文阅读,欧美大片免费播放器,门卫老李干了校花琦琦

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

337p人体粉嫩胞高清大图av| 观看欧美大片毛大片| 亡は夫の上司最美人妻| 国产一二三精品无码不卡日本| 欧美激情第1页| 老头边吃奶边挵进去呻吟| 精品国产乱码久久久久久浪潮| 日韩人妻无码精品无码中文字幕| 护士的色诱2在线观看免费| 放荡勾人绿茶女(h)| 哔哩哔哩免费观看入口| 两口子交换真实刺激高潮| 放课后の优等生未增删有翻译| 午夜情深深| 亚洲欧洲日韩综合色天使先锋| 亚洲av无码一区二区三区在线| 成人性生交大片免费看中国| 国产精品久久久久久久9999| 天天摸夜夜躁夜夜无码小视频| 撕开奶罩揉吮奶头高潮av| 欧美性猛交xxxx黑人猛交| 绯色av视频精品一区二区| 农村嫖妓chinese城中村| 被几个领导玩弄一晚上| 厨房掀起少妇裙子挺进去| 精品久久欧美熟妇www| 99久久国产极品蜜臀av酒店| 亚洲无mate20pro| 老司机福利导航| 苍井空被躁50分钟5分钟免费| 东北老女人高潮大叫对白| 免费真人泡妞软件| 随时都能干的校园运动会| 亚洲精品成人区在线观看| 被男朋友摸下面流了很多血| 狠狠人妻久久久久久综合蜜桃| 公交车被cao到合不拢腿| 熟妇人妻va精品中文字幕| 伊人成色综合人夜夜久久| 亚洲熟妇无码一区二区三区导航 | 国模沟沟茂密的森林|