|
Alum Potassium
Molecular
formula:
ALK(SO4)2•
12H2O
Quale:
Colorless, transparent, particle or crystalline powder,
odorless,nontoxic, tastes slightly sweet and puckery, astringent, easily
soluble in water, its water solution appears acid, is would lose crystal
water and become white powder on heating.
Main Usage: In the field of
light and Chemical Industries: Purification of water, paper making
and glue spreading, painting, printing and dyeing, color lake and
pigment, medicine producing,varinish and leather producing, fiber board
processing fixation and membrane solidified for film, and applied in
rubber, metallurgical and colored glass etc. industries.
In the field of food stuff
industry:
Fermentation of foodstuff, vermicelli or noodles processing,
salted aquatic, foodstuff antisepsis and additives etc.
In the field of Agricultural Applications: Seed sterilization and soak,
to cure the sickness for
drought animals, root solidation, germination, stem strengthen fruit
plumpness and potash
fertilizer spreading for some soil.
Chemical index: (standard:
GB1895-94)
|
Standard\Standard
|
Alum content
%
|
Alumina
%
|
Ferric oxide
%
|
Arsenic
%
|
Heavy metal
%
|
Water
insolubles
%
|
|
Topgrade
|
99.2
|
10.6
|
 0.01
|
0.0002
|
0.002
|
0.2
|
|
Second grade
|
98.6
|
10.5
|
0.01
|
0.0002
|
0.002
|
0.5
|
|
