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By certification 
Product name: Aluminium Sulphate or Aluminum Sulfate
Shape: Flakes or Granular or Powder.
EINECS NO.: 233-135-0
CAS No.: 10043-01-3
HS.Code: 28332200
Molecular Formula: Al2(SO4)3
Appearance: It is white or grey flake, particle or massive crystallization.
Apt to cake after moisture absorption when laid in air for a long time.A little green because of Fe2+, yellow when Fe2+ is oxided to Fe3+. Soluble in water easily, and water solution is acid.
Items |
Specifications |
|||
I Type: Low Ferrous/Low Iron |
II Type: Non-Ferrous/Iron-free | |||
First Class |
Qualified |
First Class |
Qualified | |
Al2O3 % ≥ |
15.8 |
15.6 |
17 |
16 |
Ferrous(Fe )% ≤ |
0.5 |
0.7 |
0.005 |
0.01 |
Water Insolube % ≤ |
0.1 |
0.15 |
0.1 |
0.15 |
PH (1% aqueous solution) ≥ |
3.0 |
3.0 |
3.0 |
3.0 |
Arsenic(As) %≤ |
0.0005 |
0.0005 |
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Heavy metal (Pb) %≤ |
0.002 |
0.002 |
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Our trademark "Lotus" was named in China. The company won the "National Petroleum and Chemical Industry advanced collective ". And products ammonium alum and potassium alum awarded "excellent quality, excellent focus on recommended products" by Chinese Chemical Society. The company now has won thirteen independent patents.
http://www.jianhengchem.com/
