亚洲精品在线专区,亚洲精品性色妇AV蜜桃久,亚洲无码免费看,国产又大又黄又粗在线观看,日本韩国一区二区三区在线观看,国产AV高潮一区二区,亚洲AV片又大又硬又黄的漫画,国产又爽又粗又猛又大,久久精品色妇熟妇丰满人妻50,又大又长又粗的精品视频网站

Details

Ammonium chloride

      Data:2017-10-24 15:04:34

Product Description:
Ammonium Chloride
CAS No.:12125-02-9
EINECSNo.:235-186-4
Chemical Formula:NH4Cl
Electronic formula: H .. ..[H:N:H]+ [:Cl:]- .. .. H
Relative Molecular Mass:53.49
Features:Ammonium chloride is a kind of colorless crystal or white crystalline powder which is odorless, salty, cold and hygroscopic, and soluble in water and slight soluble in ethanol.
Classification:

Ammonium Chloride for Industry
Quality standard:
⑴Appearance: white crystal
⑵Ammonium chloride content (by dry basis)>99.3%
⑶water content<0.7%
⑷Ignition residue<0.4%
⑸Fe<0.001%
⑹Heavy metal (by Pb)< 0.0005%
⑺Sulphate (by SO42-) < 0.05%
⑻PH :4.0-5.8
The industrial ammonium chloride is mainly used in battery, electroplating, dyeing and weaving, casting, medicine, flocking and fluff and as chemical intermediates.

 

 


 

  • LAST: Ammonium sulf
  • NEXT:PA-6 Chips