| ITEMS | STANDARDs |
| Appearance | White or whitelike powder |
| Assay | >=</a>10.0% |
| Loss on Drying | =<6.0% |
| Seive Analysis | 100% through No. 20 (US) >=</a>95% through No.30 (US) =<15% through No.100 (US) |
| Heavy Metal | =<10mg/kg |
| Arsenic | =<2mg/kg |
| Pb | =<2mg/kg |
| Cadmium | =<2mg/kg |
| Mercury | =<2mg/kg |