Appearance:White Crystals
Package:25kg net in plastic waven bags lined with plastic bags

 

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 bleachingproductssof 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
suiphate group % ≤	0.08	0.10	0.20
ignition (850oC) % ≤	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	/	/