股市新闻最新消息利好-最近很火的股票-【东方资本】,股市如何当天买卖呢,如何开股票交易账户,什么是股指期货合约

SZSE：002741
Chemical Reagents
Magnesium chloride?hexahydrateCOA Report
  • CAS No.：7791-18-6
  • Molecular weight：203.31
  • Aliases：Magnesium chloride
  • Molecular formula：MgCl2·6H2O
  • EC No.：232-094-6
  • HS-No：28273100
Information
Specification category：
Product No. Product name specifications
1.03109.010 Magnesium chloride?hexahydrate AR500g
1.03109.020 Magnesium chloride?hexahydrate CP500g
1.03109.030 Magnesium chloride?hexahydrate CP40kg
1.03109.040 Magnesium chloride?hexahydrate AR25kg
1.03109.050 Magnesium chloride?hexahydrate CP25kg
1.03109.060 Magnesium chloride?hexahydrate CP40kg
Characteristic： Appearance and properties: Colorless hexagonal crystal, moisture sensitive.
Relative density: 1.57(water=1)(20℃)
Melting point(℃): 117(decomposition)
Solubility: Soluble in water and alcohol.
Technical indicators：
Item AR CP
Assay (MgCl2 ? 6H2O) ≥ 98.0% ≥ 98.0%
pH value (50g / L solution, 25 ℃) 5.0 ~ 6.5 5.0 ~ 6.5
Clarity test Pass3 Pass5
Insoluble matter in water ≤ 0.005% ≤ 0.01%
Sulfate (SO4) ≤ 0.005% ≤ 0.01%
Phosphate (PO4) ≤ 0.001% ≤ 0.002%
Total nitrogen (N) ≤ 0.005% ≤ 0.01%
Calcium (Ca) ≤ 0.05% ≤ 0.10%
Iron (Fe) ≤ 0.0005% ≤ 0.001%
Barium and strontium (in Ba meter) ≤ 0.005% ≤ 0.005%
Heavy metals (as Pb) ≤ 0.0005% ≤ 0.001%
Related Products

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