|
Reference Table for Orthophosphates
|
Chemical |
Syn. |
Formula |
%PO4 |
%P2O5 |
pH of 1% solution |
Solubility * |
|
Phosphoric acid (75%) |
|
H3PO4 |
71 |
54 |
low |
High |
|
Monosodium Phosphate |
MSP |
NaH2PO4 |
76.5 |
58 |
4.8 |
48 |
|
NaH2PO4 H2O |
67 |
51 |
|
Disodium Phosphate |
DSP |
NaHPO4 |
63 |
48 |
9.1 |
11 |
|
NaHPO4 12H2O |
24 |
18 |
|
|
|
Trisodium Phosphate |
TSP |
4(Na3+12H2O)NaOH |
24 |
18.3 |
11.8 |
30 |
|
Na3PO4(H2O) |
51 |
39 |
|
|
* Solubility @ 25 degrees C, per 100 grams saturated solution.
|
