国模杨依粉嫩蝴蝶150p,日韩精品人妻一区二区中文八零,久久99精品久久久久久水蜜桃,亚洲精品国产精品乱码不99

Products

Dithiophosphate 25s

DITHIOPHOSPHATE 25S 

CAS Number: 

Major component: Sodium ditolyldithiophosphate

Molecular Formula: (C7H7O)2PSSNa 

Structural Formula:



Description:
A dark-brown to black aqueous solution, no pungent odour.

Principal uses:
Dithiophoshate 25S is an effective collector for copper,lead sulfide minerals. Because of its weak collective power to zinc sulfide, it is usually used in the selective separation flotation of copper and lead sulfides from zinc sulfide minerals. This reagent may be fed to flotation circuit.

Specification:

Item
Index
Sodium ditolyldithiophosphate content % 49~53
PH 10~13
Period of validity (month) 24
Packing: 170kg/steel drum, 200kg/plastic drum


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

中国老太婆多毛bbhd| 娇小videodes极品| 久久精品欧美人ooxx| 免费国偷自产拍精品视频| 与亲女洗澡时伦了毛片| 阿娇跪下吃j8图片| 亚洲人成人无码网www国产| 肉色欧美久久久久久久蜜桃| 开丫头小嫩苞疼死了| 当着夫的面被夫上司玩弄| 粗一硬一长一进一爽一a级小说| 杨门女将之浪荡合集| 少妇┅┅快┅┅用力| 被几个人摁住玩弄隐私作文| 极品少妇XXOO无码播放| 少妇少洁第1一40章| 娇妻在厨房被朋友我的呻吟| 受被攻c哭高h视频网站| 美女18禁一区二区三区视频| 免费观看a级毛片| 性饥渴老太xxxxxhd| 成人性生交大片免费看| 精品人妻少妇一区二区三区在线| 少妇扒开双腿自慰出白浆| 大战丰满老熟妇重囗味视频| 坐在办公椅上悄悄做的运动| 爆乳2把你榨干哦ova在线观看| 去男朋友宿舍被室友4p| 不许穿内裤随时挨c| 国产av躁一二三区免费播放| 国产日韩未满十八禁止在线观看| 呦vodafonewifi高清| 六十路垂乳熟年交尾| 亚洲久热无码av中文字幕| 国产精品久久毛片| 真人性做爰直播| 国产精品18久久久久久不卡| 浮力影院50826| 最新69成人国产精品视频免费| 亚洲成熟丰满熟妇高潮xxxxx| 性久久久久久久|