| Specification | Index | ||||||
| Granular or Needle shaped | Free flow grade | Pharmaceutical Grade | Food Grade | ||||
| Superior Grade | First Grade | ANSI/AWWA B603-2003 | USP24 | BP2000 | GB2513-2004 | ||
| Potassium Permanganate(KMNO4) by fraction of mass | %≥ | 99.3 | 99.1 | 97.5 | 99.0-100.5 | 99.0-100.5 | 99.0-100.5 |
| Chloride(on Cl basis) by fraction of mass | %≤ | 0.01 | 0.02 | 0.10 | — | 0.02 | 0.01 |
| Sulfate(on SO4 basis) by fraction of mass | %≤ | 0.05 | 0.10 | 0.20 | — | 0.05 | 0.05 |
| Water insolubles by fraction of mass | %≤ | 0.15 | 0.20 | 1.70 | 0.2 | 1.0 | 0.20 |
| Moisture(H2O) by fraction of mass | %≤ | 0.50 | 0.50 | 0.50 | 0.5 | — | — |
| Cadmium(Cd) by fraction of mass | %≤ | 0.01 | 0.01 | 0.01 | — | — | — |
| Chromium(Cr) by fraction of mass | %≤ | 0.05 | 0.05 | 0.05 | — | — | — |
| Lead(Pb) by fraction of mass | %≤ | 0.005 | 0.005 | 0.005 | — | — | — |
| Mercury(Hg) by fraction of mass | %≤ | 0.001 | 0.001 | 0.001 | — | — | — |
| Arsenic(As) by fraction of mass | %≤ | 0.002 | 0.002 | 0.002 | — | — | 0.0002 |
| Mobility(0.75mL Water/100g Potassium Permanganate) | — | — | Pass the Test | — | — | — | |
| Granularity:Particles retained in 425um Sieve Plate | %≤ | — | — | 20 | — | — | — |
| Granularity:Particles passed through 75um Sieve Plate | %≤ | — | — | 7 | — | — | — |
