被两个男摁住玩弄尿孔的视频|《被按摩的人妻4》BD高清完整版|娇妻互换被高潮了三次|荫蒂每天被三个男人添|边做饭边被躁我和邻居的视频|巜被部长玩弄的人妻

SZSE:002741
Chemical Reagents
Potassium peroxodisulfateCOA Report
  • CAS No.:7727-21-1
  • Molecular weight:270.32
  • Aliases:Potassium persulfate
  • Molecular formula:K2S2O8
  • UN Code:1492
  • EC No.:231-781-8
  • HS-No:28334000
Information
Specification category:
Product No. Product name specifications
1.01770.015 Potassium peroxodisulfate AR500g
1.01770.025 Potassium peroxodisulfate AR25kg
1.01770.035 Potassium peroxodisulfate CP500g
1.01770.045 Potassium peroxodisulfate CP25kg
1.01770.055 Potassium peroxodisulfate Spec25kg
Characteristic: Appearance and properties: White crystal,odorless,moisture sensitive.
Relative density: 2.48(water=1)(20℃)
Concentration: Pure
Solubility: Soluble in water,insoluble in ethanol.
Technical indicators:
Item AR CP
Assay(K2S2O8) ≥99.5% ≥99.0%
Clarity of solution Pass Pass
Insoluble matter in water ≤0.005% ≤0.01%
Chloride and chlorate(as Cl) ≤0.002% ≤0.005%
Total nitrogen(N) ≤0.005% ≤0.01%
Manganese(Mn) ≤0.0001% ≤0.0003%
Iron(Fe) ≤0.0002% ≤0.0005%
Heavy metals(as Pb) ≤0.001% ≤0.002%
Hazard characteristics:

IATA-DGR UN 1492 POTASSIUM PERSULPHATE,5.1,Ⅲ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
欢迎光临: 天门市| 延寿县| 曲沃县| 通辽市| 哈尔滨市| 九江县| 宁阳县| 彭泽县| 额尔古纳市| 建湖县| 乌拉特中旗| 罗甸县| 黄平县| 古蔺县| 沾化县| 绥芬河市| 安庆市| 镶黄旗| 镇巴县| 贵港市| 绍兴县| 泽州县| 甘肃省| 丰顺县| 胶州市| 泰兴市| 汉川市| 利辛县| 宣威市| 高州市| 呼和浩特市| 科尔| 枣阳市| 鄂伦春自治旗| 寿阳县| 会同县| 乌拉特前旗| 长寿区| 武乡县| 桓台县| 灵山县|