| No | Contain | Result |
| 1 | P2O5 Content the mean value for any supplier, % | 56 min. |
| 2 | ROH 1 minute the mean value for any supplier ROH 5 MHYT The mean value for any supplier Delta T,°C |
81 min. 93 max. 84 min. -95 max. 105 min. |
| 3 | Volatiles (premoisturisation) (Loss inWeight,oven method,1hour @ 150 °C 5g sample)% | 0.1 max. |
| 4 | Sodium Tripolyphosphate(Na5P3O10)(expressed as a % of total phosphate content)/ % | 92 min. |
| 5 | Phase(from)1,% | 25min. 55max. |
| 6 | Partical Size Distribution (50g sample, 20 minutes) On 425 micron(Tyler 35 mesh or equivalent) Thru 150 micron(Tyler 100 mesh or equivalent) |
5.0 max. 0.75 min. |
| 7 | Iron,mg/kg or PPM | 300 max. |
| 8 | pH(1.0% in distilled water @ 25°C) | 9 min. – 10 max. |
| 9 | Water Insoluble, % | 0.10 max. |