Molecular Formula:H3PO4
Molecular Weight:97.99
CAS NO.:7664-38-2
Standard executed:GB/T 2091-2008
Appearance:Colorless, transparent and syrupy liquid.
Usage: Used as cleaner for printing circuit and used in electoplating，polishing，also for use of producing a variety of phosphates.
Packaging: 20L,200L plastic drums,iron+plastic drums,tanks or according to customer's demand.
■Specification
| Item | Industrial Grade | |||||
| 85% Phosphoric acid | 75% Phosphoric acid | |||||
| Excellent class | First class | Qualified | Excellent class | First class | Qualified | |
| Colority ≤ | 20 | 30 | 40 | 20 | 30 | 40 |
| Main contents,w/% ≥ | 85.0 | 85.0 | 85.0 | 75.0 | 75.0 | 75.0 |
| Chloride(as Cl),w/% ≤ | 0.0005 | 0.0005 | 0.0005 | 0.0005 | 0.0005 | 0.0005 |
| Sulphate（as SO4计）,w/% ≤ | 0.003 | 0.005 | 0.01 | 0.003 | 0.005 | 0.01 |
| Iron（as Fe）,w/% ≤ | 0.002 | 0.002 | 0.005 | 0.002 | 0.002 | 0.005 |
| Arsenic（as As）,w/% ≤ | 0.0001 | 0.005 | 0.01 | 0.0001 | 0.005 | 0.01 |
| Heavy metals （as Pb）,w/% ≤ | 0.001 | 0.001 | 0.005 | 0.001 | 0.001 | 0.005 |