Molecular formula: H3PO4
No. of standard: GB/T 2091-2003
|
Item |
Specifications |
|
85% |
|
Supper class |
First class |
Qualified |
|
Color, Hazen unit ≤ |
20 |
30 |
40 |
|
H3PO4, % ≥ |
85.0 |
85.0 |
85.0 |
|
Chloride (Cl), % ≤ |
0.0005 |
0.0005 |
0.0005 |
|
Sulfate (SO42- ), % ≤ |
0.003 |
0.005 |
0.01 |
|
Iron (Fe), % ≤ |
0.002 |
0.002 |
0.005 |
|
Arsenic (As), % ≤ |
0.0001 |
0.005 |
0.01 |
|
Heavy metals (Pb), % ≤ |
0.001 |
0.001 |
0.05 |
|
Appearance |
Colorless clear or lightish thick liquid |
Uses: Mainly used in electroplate, polishing, fertilizer industry, phosphate industry and so on. |