1.usage:Mainly used in electroplating industry, polishing, phosphate, sugar industry, industrial fertilizer etc, in the food industry as sour agent, yeast nutrition agent, etc
2.specifcation:
|
Item
|
National standard:GB3149-2004
|
Result
|
|
Color APHA
|
<=20
|
10
|
|
H3PO4 %
|
>=85.0
|
85.1
|
|
Arsenic As%
|
<=0.00005
|
0.00002
|
|
Heavy metal Pb%
|
<=0.0005
|
0.0003
|
|
Fluorine (F)%
|
<=0.0010
|
0.0001
|
|
Oxide(H3PO3)%
|
<=0.0120
|
0.0030
|