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
Sodium hydrogen sulfite?COA Report
  • CAS No.：7631-90-5
  • Molecular weight：104.06
  • Molecular formula：NaHSO3
  • EC No.：231-548-0
Information
Specification category：
Product No. Product name specifications
1.01511.018 Sodium hydrogen sulfite? AR500g
1.01511.028 Sodium hydrogen sulfite? CP500g
1.01511.038 Sodium hydrogen sulfite? AR25kgdrum
1.01511.048 Sodium hydrogen sulfite? CP25kgdrum
1.01511.068 Sodium hydrogen sulfite? AR8kg×4
1.01511.078 Sodium hydrogen sulfite? CP1kgBottle
1.01511.088 Sodium hydrogen sulfite? Spec25kg/Sack
1.01511.088 Sodium hydrogen sulfite? Spec25kg/Sack
1.01511.108 Sodium hydrogen sulfite? AR10kg
Characteristic： Appearance and properties: white crystal powder. The smell of sulfur dioxide.
Relative density?(water=1): 1.48(20℃)
Concentration: assay: technical grade≥99.5%.
Solubility: Soluble in water. Slightly soluble in ethanol、diethyl ether.
Technical indicators：
Item AR CP Assay(SO2) ≥58.5% ≥58.5% Clarity of solution Pass3 Pass5 Insoluble matter in water ≤0.005% ≤0.01% Chloride(Cl) ≤0.01% ≤0.02% Iron(Fe) ≤0.001% ≤0.002% Arsenic(As) ≤0.0001% ≤0.0002% Heavy metals(as Pb) ≤0.001% ≤0.002%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
欢迎光临： 察雅县| 平阴县| 泰兴市| 保亭| 贵定县| 元谋县| 镇雄县| 鹤峰县| 即墨市| 虎林市| 泗洪县| 遵化市| 德令哈市| 玛纳斯县| 息烽县| 易门县| 通州区| 炉霍县| 金沙县| 永济市| 日喀则市| 深圳市| 湖州市| 民勤县| 若尔盖县| 嘉定区| 克拉玛依市| 黎平县| 朔州市| 敦煌市| 信丰县| 平江县| 东城区| 应城市| 朝阳区| 鄢陵县| 英超| 渝北区| 北京市| 台安县| 南宁市|