国产大屁股视频区_国产亚洲日韩欧美色图_99热亚洲精品免费观看_午夜无码电影888不卡

Top keywords:

  Water treatment    Carbonate series    Sulfate series    Nitrate series    Chloride    Fluoride salt    Other    Phosphate series  

Address: 20-2-202, Zhiguyuan, east of Jingjin Road, Shuangjie Town, Beichen District, Tianjin
Fax: +86-22-26972829 26978227 85100668
E-mail: 18902017646@126.com
Manager: Zhu Huiyun +86-13802097097

Products
Sulfonic acid

Sulfonic acid

Sulfonic acid is a kind of organic acid, general formula r-so3h, R represents hydrocarbon, strong acid, relatively large water-soluble, used in the manufacture of dyes, drugs, detergents, and has a calculated generality.


Copyright(C)2020,Tianjin Tongxin Chemical Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice