午夜精品久久久久久久99热黄桃-波多野结衣一区二区三区免费视频-做爰性视频,曰本色黄a大片免费,啊啊啊好大好粗视频,欧美日韩精品免费

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