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| ITEM | STANDARD |
| ASSAY (NaAl3H14(PO4)8·4H2O) | 95.0% MIN |
| APPEARANCE | WHITE POWDER |
| ARSENIC( AS) | 3PPM MAX |
| LOSS ON IGNITION | 19.5-21.0% MAX |
| Pb (PPM) | 10 MAX |
| MERCURY (PPM) | 1 MAX |
| HEAVY METAL( PB) | 40PPM MAX |
| FLUORID( PPM) | 25 MAX |