亚洲成人av_不卡av片_人妻巨大乳hd免费看_黄色小说内容_三级视频片_av网站网址_为爱搞激情_色九区_性姿势伦理未删减版_www狠狠_秋葵视频成人_久操热久操_日本网站在线看_久草网在线_狠狠做

SZSE:002741
Chemical Reagents
di-Potassium hydrogen phosphate anhydrous COA Report
  • CAS No.:7758-11-4
  • Molecular weight:174.18
  • Aliases:di-Potassium hydrogen phosphate
  • Molecular formula:K2HPO4
  • EC No.:231-834-5
  • HS-No:28352400
Information
Specification category:
Product No. Product name specifications
1.01938.010 di-Potassium hydrogen phosphate anhydrous AR500g
1.01938.040 di-Potassium hydrogen phosphate anhydrous AR25kg
Characteristic: Appearance and properties:White particle or crystal powder.
Relative density: 2.44(water=1)(20℃)
Melting point(℃): 340
Concentration: Pure
Solubility: Soluble in water(1600g/L,20℃),slightly soluble in ethanol(20℃).
Technical indicators:
Item AR CP
Assay ≥98.0% ≥97.0%
pH-value(25g/L solution,25 ℃) 9.0~9.3 9.0~9.3
Clarity of solution Pass Pass
Insoluble matter in water ≤0.02% ≤0.03%
Chloride(Cl) ≤0.004% ≤0.005%
Nitrate(NO3) ≤0.002% ≤0.004%
Sulfate(SO4) ≤0.03% ≤0.04%
Arsenic(As) ≤0.0005% ≤0.001%
Iron(Fe) ≤0.003% ≤0.004%
Magnesium(Mg) ≤0.0005% ≤0.001%
Sodium(Na) ≤0.07% ≤0.10%
Heavy metals(as Pb) ≤0.0025% ≤0.005%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板: 鄂托克前旗| 岳西县| 临潭县| 贺州市| 高平市| 汉源县| 页游| 永安市| 揭西县| 青铜峡市| 长春市| 登封市| 天峨县| 安宁市| 宝坻区| 万全县| 青阳县| 湖口县| 咸宁市| 郁南县| 武宣县| 合川市| 昭通市| 延安市| 黄大仙区| 普洱| 高雄市| 五家渠市| 和静县| 陕西省| 石台县| 新昌县| 铜山县| 拜泉县| 石景山区| 吉木萨尔县| 西青区| 白河县| 黔江区| 万安县| 玉田县|