久久欧美一区二区三区性生奴-亚洲一区二区三区视频-亚洲日韩精品无码专区加勒比海-亚洲精品人妻在线视频观看-国产午夜一区二区三区视频-日韩av片无码一区二区三区不卡-毛片av中文字幕一区二区-天天操天天日天天操天天日天天操-色爽黄1000部免费软件下载

SZSE:002741
Chemical Reagents
Potassium thiosulfate hydrate COA Report
  • CAS No.:13446-67-8
  • Molecular weight:196.33
  • Aliases:Potassium thiosulfate
  • Molecular formula:K2S2O3·1/3H2O
  • EC No.:233-666-8
Information
Specification category:
Product No. Product name specifications
1.01864.010 Potassium thiosulfate hydrate CP500g
1.01864.020 Potassium thiosulfate hydrate AR500g
Characteristic: Appearance and properties: Solid.
Relative density: 1.484(water=1)(20℃)
Technical indicators:
Item AR CP
Assay[K2S2O3·1/3H2O] ≥98.5% ≥98.0%
Clarity of solution Pass Pass
Insoluble matter ≤0.01% ≤0.015%
Sulfate and sulfite(as SO4) ≤0.2% ≤0.3%
Sulfide(S) ≤0.002% ≤0.004%
Calcium(Ca) ≤0.01% ≤0.01%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1