大地资源第三页高清在线观看免费,大地影视中文资源6,大地二资源在线高清免费,大地资源高清在线视频,大地二资源在线高清国语版,大地第二资源在线播放免费观看

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
欢迎光临: 大理市| 九江县| 沭阳县| 枣庄市| 改则县| 西乌珠穆沁旗| 七台河市| 莱州市| 沈丘县| 盐亭县| 徐闻县| 广南县| 谷城县| 湄潭县| 易门县| 色达县| 吉首市| 石柱| 米林县| 虞城县| 正镶白旗| 广宗县| 措美县| 宁远县| 阿巴嘎旗| 阿拉尔市| 循化| 如东县| 木里| 方正县| 清镇市| 怀柔区| 云浮市| 广元市| 吴忠市| 德清县| 龙口市| 广水市| 施甸县| 新源县| 兰西县|