Grade Standard: | Medicine Grade |
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Packaging: | Paper Bag |
Quality: | Food Grade |
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Test items | Indicators | Results |
()/(%) The amount of gallic acid content (dry basis) ≥ | 99.0 | 99.17 |
Loss on drying /(%) ≤ | 10.0 | qualified |
Tannic acid test | no cloudy | no cloudy |
Water dissolved experiment | no cloudy | no cloudy |
Chroma( Platinum - cobalt color number ) ≤ | 250 | 180 |
(S062-)/(%) ≤ | 0.01 | 0.006 |
Residue on ignition /(%) ≤ | 0.1 | 0.05 |
(NIU) ≤ | 10 | qualified |
Dissolve point | 131~134.5 | qualified |
(CL-)/(%) ≤ | 0.02 | 0.01 |