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
Disodium hydrogen phosphate?dodecahydrate COA Report
  • CAS No.：10039-32-4
  • Molecular weight：358.14
  • Molecular formula：Na2HPO4·12H2O
  • EC No.：231-448-7
  • HS-No：28352200
Information
Specification category：
Product No. Product name specifications
1.01504.040 Disodium hydrogen phosphate?dodecahydrate AR500g
1.01504.050 Disodium hydrogen phosphate?dodecahydrate AR25kg/drum
1.01504.060 Disodium hydrogen phosphate?dodecahydrate CP500g
1.01504.070 Disodium hydrogen phosphate?dodecahydrate CP25kg/drum
1.01504.090 Disodium hydrogen phosphate?dodecahydrate CP25kg/drum
1.01504.100 Disodium hydrogen phosphate?dodecahydrate Spec25㎏/drum
1.01504.110 Disodium hydrogen phosphate?dodecahydrate CP25kg/Sack
1.01504.120 Disodium hydrogen phosphate?dodecahydrate AR25kg/Sack
Characteristic： Appearance and properties: Colorless translucent orwhite grain or powder.
pH value: ～9.0-9.4(50 g/L H2O,20℃)
Relative density?(g/cm3)(water=1)(20℃): 1.52
Melting point(℃): 35
Concentration: sterling
Solubility: Soluble in water. Dissolved?in ethanol.
Technical indicators：
Item AR CP
Assay ≥99.0% ≥98.0%
pH valuepH value(50g/L,25℃) 9.1～9.4 9.1～9.4
Clarity of solution Pass3 Pass4
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.001% ≤0.003%
Sulfate(SO4) ≤0.005% ≤0.03%
Total nitrogen(N) ≤0.002% ≤0.002%
Potassium(K) ≤0.01% ≤0.01%
Iron(Fe) ≤0.0005% ≤0.005%
Arsenic(As) ≤0.0005% ≤0.005%
Heavy metals(as Pb) ≤0.0005%≤0.005%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
和静县| 林州市| 江门市| 吉木萨尔县| 芜湖市| 吉林省| 鸡东县| 伊春市| 龙江县| 贵溪市| 澳门| 盘锦市| 库伦旗| 洛宁县| 遂溪县| 常德市| 义乌市| 望都县| 平山县| 南宁市| 克东县| 华坪县| 彝良县| 莱芜市| 中宁县| 海阳市| 定陶县| 鄄城县| 扶绥县| 砀山县| 宜阳县| 竹溪县| 屏边| 界首市| 徐汇区| 太仆寺旗| 鹿泉市| 富民县| 文水县| 砚山县| 昆山市|