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
Iron(II) sulfate?heptahydrateCOA Report
  • CAS No.： 7782-63-0
  • Molecular weight：278.02
  • Molecular formula：FeSO4?7H2O
  • EC No.：231-753-5
  • HS-No：28332980
Information
Specification category：
Product No. Product name specifications
1.11165.010 Iron(II) sulfate?heptahydrate AR500g
1.11165.040 Iron(II) sulfate?heptahydrate CP500g
1.11165.060 Iron(II) sulfate?heptahydrate AR25kg
1.11165.070 Iron(II) sulfate?heptahydrate CP25kg
1.11165.130 Iron(II) sulfate?heptahydrate CP25㎏
1.11165.150 Iron(II) sulfate?heptahydrate Spec25kg
1.11165.160 Iron(II) sulfate?heptahydrate AR25kg
1.11165.170 Iron(II) sulfate?heptahydrate AR500g
1.11165.200 Iron(II) sulfate?heptahydrate AR5kg×10
Characteristic： Appearance and properties:Blue green monoclinic crystal.
Relative density: 1.897 (15 ℃)
Melting point(℃): 64 (-3H2O)
Solubility: soluble in water, glycerin, insoluble in ethanol.
Technical indicators：
Item AR CP
Assay 99.0%～101.0% 98.0%～101.0%
Insoluble matter in water ≤0.005% ≤0.02%
Chloride(Cl) ≤0.001% ≤0.005%
Total nitrogen(N) ≤0.001% --
Phosphate(PO4) ≤0.0005% ≤0.002%
Arsenic(As) ≤0.0002% ≤0.0002%
Manganese(Mn) ≤0.05% --
Ferric(Fe(III)) ≤0.02% ≤0.10%
Copper(Cu) ≤0.002% ≤0.01%
Zinc(Zn) ≤0.005% ≤0.02%
Lead(Pb) ≤0.002%v≤0.005%
Substance not deposit in ammonia(as SO4) ≤0.05% ≤0.2%
Related Products

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