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