人人湿人人乐99,久久久久久久久久网站,成人 国产 另类,日韩国产白浆露出,一人香蕉尹人一线网站,亚洲第一在线一区,青青草视频在线1区,色播插久久,亚洲精品五码视频

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
洪湖市| 岐山县| 桓台县| 云安县| 茶陵县| 白沙| 南汇区| 于田县| 资阳市| 孟州市| 罗江县| 莎车县| 涪陵区| 封开县| 邮箱| 屏边| 杭锦旗| 海兴县| 青浦区| 揭东县| 新泰市| 涟源市| 江陵县| 禹州市| 鸡泽县| 祁门县| 介休市| 大理市| 石河子市| 北宁市| 孟津县| 铁力市| 萝北县| 南涧| 淮滨县| 台南县| 山阴县| 错那县| 尼勒克县| 中江县| SHOW|