中文字幕亚洲欧美日本懂色,亚洲视频一区在线色婷婷,天天干天天干天天日天天操,麻豆国产精品777777在线,欧美一区二区三区另,中文字幕丰满人妻日本了,熟妇人妻av中文字幕在线,最新福利免费视频一区二区,伊人少妇精品在线观看视频

SZSE：002741
Chemical Reagents
Ammonium dihydrogen phosphate?COA Report
  • CAS No.：7722-76-1
  • Molecular weight：115.03
  • Aliases：monoammonium phosphate
  • Molecular formula：(NH4)H2PO4
  • UN Code：3264
  • EC No.：231-764-5
  • HS-No：31054000
Information
Specification category：
Product No. Product name specifications
1.06125.010 Ammonium dihydrogen phosphate AR500g
1.06125.020 Ammonium dihydrogen phosphate CP500g
1.06125.030 Ammonium dihydrogen phosphate AR25kg
1.06125.070 Ammonium dihydrogen phosphate CP25kg
1.06125.070 Ammonium dihydrogen phosphate CP25kg
1.06125.080 Ammonium dihydrogen phosphate AR25kg
Characteristic： Appearance and properties:Colorless and odorless solid.
pH Value:3.8-4.4
Relative density (water=1):1.80 (20℃)
Melting point(℃):190
Concentration:Sterling
Solubility:Soluble in water, slightly soluble in alcohol, dissolved in acetone.
Technical indicators：
Item AP CP Ammonium dihydrogen phosphate assay(NH4H2PO4) ≥99.0% ≥ 98.5% pH value(50g/l solution,25℃) 4.0～4.5 4.0～4.5 Clarity test Qualified3# Qualified5# Insoluble matter in water ≤0.005% ≤0.01% Chloride (Cl) ≤0.0005% ≤0.001% Sulfur compounds (as SO4) ≤0.005% ≤0.01% Nitrate (NO3) ≤0.001% ≤0.002% Sodium (Na) ≤0.005% ≤0.01% Potassium (K) ≤0.005% ≤0.01% Iron (Fe) ≤0.001% ≤0.003% Arsenic (As) ≤0.0005% ≤0.002% Heavy metals (as Pb) ≤0.0005% ≤0.001%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1