Grade Standard: | Industrial Grade |
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Appearance: | Powder |
Certification: | / |
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Item | Unit | specifications | Analysis data |
Assay content | % | 98.7MIN | 99 |
PH(1% solution) | N.A | 4.0-4.5 | 4.2 |
Moisture | % | 0.2MAX | 0.12 |
Residue of ignition(Ash) | % | 0.1MAX | 0.01 |
Ferric content | ppm | 25MAX | 10 |
concentration of Ammelide&Ammeline | % | 0.5MAX | 0.32 |
Ammonia | ppm | 20-200 | 59 |