intro:
Molecular Formula:[Al2(OH)nCl6-n]m m≤10, n=3-5.
Properties: It is a new-type high-efficiency inorganic polymeric flocculant.
Use: widely used in water purification, wastewater disposal, precision casting, paper making, pharmacy, daily-use chemicals etc.
|
Item
|
Liquid
|
Solid
|
|
Best quality
|
First quality
|
Second quality
|
Best quality
|
First quality
|
Second quality
|
|
Appearance
|
colorless
|
light yellow
|
light yellow
|
|
Relative density (20oC)
|
1.21
|
1.19
|
1.18
|
|
|
Alumina (Al2O3) %, ≥
|
12
|
10
|
8
|
32
|
29
|
28
|
|
Basicity (B) %
|
60-85
|
50-85
|
60-85
|
|
Insol. in water %, ≤
|
0.2
|
0.5
|
1
|
0.5
|
1
|
1.5
|
|
PH-value (1% aqueous solutioin)
|
3.5-5.0
|
3.5-5.0
|
|
SO42 %, ≤
|
3.5
|
9.8
|
|
Ammonian (N) %, ≤
|
0.01
|
0.02
|
0.03
|
0.03
|
0.06
|
0.09
|
|
Arsenic (As) %, ≤
|
0.0002
|
0.0005
|
|
Manganese(Mn)%, ≤
|
0.0025
|
0.005
|
0.0075
|
0.0075
|
0.01
|
0.015
|
|
Chromium (Cr6+) %, ≤
|
0.0005
|
0.0015
|
|
Mercury (Hg) %, ≤
|
0.00002
|
0.00002
|
|
Lead(Pb)%, ≤
|
0.001
|
0.003
|
|
Cadmium(Cd)%, ≤
|
0.0002
|
0.0006
|
|
