亚洲狠狠操I国产精品激情在线观看I亚洲一区二区三区miaa149Ia久久久久I色av色av色avI免费看片成人I天天操 夜夜操I在线成人性视频

SZSE：002741
Chemical Reagents
Ammonium fluoride? COA Report
  • CAS No.：12125-01-8
  • Molecular weight：37.04
  • Aliases：Neutral ammonium fluoride
  • Molecular formula：NH4F
  • UN Code：2505
  • EC No.：235-185-9
  • HS-No：28261910
Information
Specification category：
Product NO. Product Name specifications
1.06006.026 Ammonium fluoride AR250g
1.06006.036 Ammonium fluoride CP250g
1.06006.056 Ammonium fluoride CP25kg
Characteristic： Appearance and properties:White hexagonal crystal or powder, easily deliquescence.
Relative density (water=1):1.0090
Concentration:Content≥96.0%
Solubility:Insoluble in ethanol, soluble in water, methanol, dissolved in ammonia.
Technical indicators：
Item AR CP Assay(NH4F) ≥96.0% ≥95.0% Clarity Test Qualified4# Qualified6# Residue on ignition (as sulfate) ≤0.02% ≤0.05% Free acid (in NH4HF2 meter) ≤0.5% ≤1.0% Free base Qualified Qualified Chloride (Cl) ≤0.005% ≤0.01% Sulfate (SO4) ≤0.01% ≤0.02% Fluorosilicate (SiF6) ≤0.30% ≤0.60% Iron (Fe) ≤0.002% ≤0.004% Heavy metals (as Pb) ≤0.001% ≤0.002%
Hazard characteristics：

IATA-DGR UN 2505 AMMONIUM FLUORIDE,6.1,Ⅲ

Related Products

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