Guideline Appellation

Guideline

I

II

Liquid

Solid

Liquid

Solid

Excellence in Commodity

First Commodity

Excellence in Commodity

First Commodity

Alumina (Al2O3) /％ ≥
Basicity /％
Density (20 ° C) /

basicity /％ ≥
The quality of the water-insoluble fraction of the base /％ ≤
pH(1％ Solution of ）

10.0

40～85

1.15

0.1
3.5～5.0

10.0

40～85

1.15

0.3
3.5～5.0

30.0

40～90

—

0.3
3.5～5.0

28.0

40～90

—

1.0
3.5～5.0

10.0

40～90

1.15

0.5
3.5～5.0

27.0

40～90

—

1.5
3.5～5.0

Ammonia nitrogen (N) /％ ≤
Arsenic (As) /％ ≤
Lead (Pb) /％ ≤
Cadmium (Cd) /％ ≤
Mercury (Hg) /％ ≤
Hexavalent chromium

 (Cr +6)/％ ≤

0.01

0.0001
0.0005
0.0001
0.00001
0.0005

0.01

0.0002
0.001
0.0002
0.00001
0.0005

 —

Note: ammonia nitrogen, arsenic, cadmium, mercury, six impurities prices according to the quality score of 10.0% Al2O3.
Table 1 in Class I product indicators mandatory, as recommended Ⅱ nature.