Product Description
Technical standad (GB1626-88)
Appearance: White Crystals
Package: 25kg net in plastic woven bags lined with plastic bags
Uses
Metallurgy industry: As precipitating and resolving agent for rare earth metal, etc.
Organic Synthesis: For 2133 rein, ures form aldehyde powder etc.
Light industry: Polishing of DA LI stone, removing rust bleaching products of leather, wood and aluminium ect.
Printing Industry: Dyeing agent
Medicine Industry: For making tetracydine, HCl ect.
Others: As laboratory agent, solvents activato and basic materialsfor chemical industry
Appearance: White Crystals
Package: 25kg net in plastic woven bags lined with plastic bags
Uses
Metallurgy industry: As precipitating and resolving agent for rare earth metal, etc.
Organic Synthesis: For 2133 rein, ures form aldehyde powder etc.
Light industry: Polishing of DA LI stone, removing rust bleaching products of leather, wood and aluminium ect.
Printing Industry: Dyeing agent
Medicine Industry: For making tetracydine, HCl ect.
Others: As laboratory agent, solvents activato and basic materialsfor chemical industry
|
index
|
Wonderful grade
|
First grade
|
Up to grade
|
|
purity% ≥
|
99.6
|
99.4
|
99.0
|
|
sulphate group % ≤
|
0.08
|
0.10
|
0.20
|
|
ignition (850 o C) % ≤
|
0.08
|
0.10
|
0.20
|
|
heavy metal % ≤
|
0.001
|
0.002
|
0.02
|
|
Iron content % ≤
|
0.0012
|
0.002
|
0.01
|
|
chlorides % ≤
|
0.003
|
0.004
|
0.01
|
|
calcium % ≤
|
0.0012
|
/
|
/
|