Synonyms: PAC; Aluminum chlorohydrate; Aluminum chlorhydroxide; Aluminum chloride, basic; Aluminum hydroxychloride; Poly Aluminum Chloride; Polyaluminum Chloride
CAS No.: 1327-41-9
Molecular Weight: N/A
Molecular Formula: [AL2(OH)nCL6-n x H2O]m; (1≤ n ≤5,m ≥ 10)
Molecular Weight: ~2000
Solubility in water: miscible
Specification (GB 15892-2003)
|
Parameters
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Specification
|
|
Drinking water grade
|
Technical grade
|
|
Excellent grade
|
Grade I
|
Grade II
|
|
Appearance
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yellow powder or solid grain
|
yellow powder
or solid grain
|
|
Alumina(Al2O3) content
|
30.0% min
|
28.0% min
|
27.0% min
|
|
Salt radical degree
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40-90%
|
40-90%
|
40-90%
|
|
Insolubles in water
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0.3% max
|
1.0% max
|
1.5% max
|
|
pH Value (1%)
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3.5-5.0
|
|
N in NH4s form
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0.01% max
|
|
|
As
|
2ppm max
|
|
|
Cr (VI)
|
5ppm max
|
|
|
Hg
|
0.1ppm max
|
|
|
Pb
|
10ppm max
|
|
|
Cd
|
2ppm max
|
Standard Packing
25/woven bags, 23mt/FCL without pallet waste water treatment
18mt/FCL without pallet drinking water treatment
