国产人免费人成免费视频喷水|国产欧美一区二区色老头|在线看片网站,日韩一区免费在线观看,国产色av,96国产精品

SZSE:002741
Chemical Reagents
Potassium tartrate hemihydrateCOA Report
  • CAS No.:6100-19-2
  • Molecular weight:235.28
  • Aliases:Potassium tartrate?hemihydrate
  • Molecular formula:K2C4H4O6·1/2H2O
  • EC No.:213-067-8
Information
Specification category:
Product No. Product name specifications
1.01827.010 Potassium tartrate hemihydrate AR500g
Characteristic: Appearance and properties: White crystal or crystal powder.
Melting point(℃): 150(decomposition)
Relative density: 1.98(water=1)(20℃)
Solubility: Dissolve easily in water,insoluble in alcohol.
Technical indicators:
Item AR CP
Assay(C4H4O6K2?1/2H2O) ≥99.0% ≥99.0%
pH value(25℃,50g/L) 7.0~9.0 7.0~9.0 Clarity of solution Pass4 Pass6
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.002% ≤0.01%
Sulfate(SO4) ≤0.005% ≤0.01%
Phosphate(PO4) ≤0.002% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板: 桐城市| 桐柏县| 塘沽区| 张家口市| 潜山县| 安丘市| 通城县| 罗江县| 察雅县| 金川县| 胶州市| 松桃| 成安县| 张家口市| 循化| 乐安县| 清丰县| 徐汇区| 沂南县| 吉林省| 金沙县| 平顶山市| 四会市| 长乐市| 博客| 珲春市| 银川市| 滨州市| 阳曲县| 嘉义县| 久治县| 吕梁市| 内丘县| 西乌| 阳高县| 舒城县| 洪泽县| 闽侯县| 秀山| 漳浦县| 且末县|