Product description:
White orthorhombic crystal or powder; relative density: 1.735; melting point: 287℃; easily soluble in solvent, for example, water, ethyl alcohol and acetone;
Application category
|
superior grade
|
superior grade
|
industrial grade
|
industrial grade
|
superior grade
|
industrial grade
|
content %,(dry basis)≧
|
99
|
98.5
|
98
|
97
|
50-55 liquid
|
50-55 liquid
|
ferrum %,≦
|
0.0001
|
0.0002
|
0.0005
|
0.0006
|
0.0001
|
0.0002
|
water insoluble%,≦
|
0.005
|
0.006
|
0.006
|
0.007
|
0.001
|
0.005
|
moisture%,≦
|
0.5
|
0.8
|
0.8
|
1.0
|
--
|
--
|
chloride%,≦
|
0.02
|
0.05
|
--
|
--
|
0.02
|
--
|
sulfate%,≦
|
0.03
|
0.06
|
--
|
--
|
0.04
|
--
|
heavy metal%,≦
|
0.001
|
0.001
|
0.001
|
0.001
|
0.0005
|
0.001
|
PH
|
6-8
|
6-8
|
6-8
|
6-8
|
6-8
|
6-8
|
|
Usage: |
Concrete additives used in construction, cement grinding aid, propylene eyes fiber spinning solvent, chemical analysis reagent, color film, then some plants defoliant and airport road herbicides, also used in pharmaceutical intermediates, pesticide interm |