国产亚洲精品小视频-麻豆乱婬一区二区三区-综合视频精品这里只有-美女张开腿张开腿让男人捅

SZSE:002741
Chemical Reagents
Stannous methanesulfonateCOA Report
  • CAS No.:53408-94-9
  • Molecular weight:308.91
  • Aliases:Tin(Ⅱ) methanesulfonate
  • Molecular formula:Sn(CH3O3S)2
  • UN Code:3265
  • EC No.:401-640-7
Information
Specification category:
Product No. Product name specifications
1.05336.018 Stannous methanesulfonate Spec30.6kg
1.05336.028 Stannous methanesulfonate Spec20L
Characteristic: Appearance and properties: Colorless transparent liquid with an offensive odor,strong acidity.
Relative density: 1.55(water=1)(20℃)
Melting point(℃): -27
Refractive index: 1.444
Technical indicators:
Items Specifications
Stannous tin, Sn2+ 19.5~20.5 %
Total tin 19.5~21.5 %
Stannic tin, Sn4+ ≤0. 7%
Free MSA(as CH3SO3H) 5.5~7.5 %
Sulfate(SO42-) ≤500 ppm
Chloride(Cl-) ≤50 ppm
Lead(Pb) ≤20 ppm
Iron(Fe) ≤10 ppm
Cobalt(Co) ≤5 ppm
Nickel(Ni) ≤5 ppm
Zinc(Zn) ≤5 ppm
Copper(Cu) ≤10 ppm
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
垣曲县| 永昌县| 鞍山市| 合水县| 泌阳县| 津南区| 抚顺市| 会同县| 江口县| 灵石县| 桐乡市| 芜湖县| 喀喇| 新晃| 太原市| 灵丘县| 大新县| 阳泉市| 米林县| 疏附县| 宝鸡市| 遵化市| 尤溪县| 呼图壁县| 安达市| 霍邱县| 苍山县| 富平县| 菏泽市| 遂宁市| 黔南| 贵州省| 福建省| 和顺县| 开江县| 武义县| 金川县| 柞水县| 神农架林区| 当涂县| 文登市|