| Name of index | G B25566-2010 | FCC-V |
| Sodium Tripolyphosphate ≥ % | 85 | 85 |
| P 2 O 5 ≥% | 56.0-58.0 | - |
| Fluoride (as F) ≤ % | 0.005 | 0.005 |
| Arsenic (As) ≤ % | 0.0003 | 0.0003 |
| Heavy Metal (as Pb) ≤ % | 0.001 | - |
| Chloride (as Cl) ≤ % | - | - |
| Sulfate (as SO 4 2- ) ≤ % | - | - |
| Water Insoluble ≤ % | 0.1 | 0.1 |
| pH (1% aqueous solution) | 9.5-10.0 | - |
| Whiteness ≥ % | - | - |
| Pb ≤ % | 0.0004 | 0.0002 |