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1 Kilogram |
Negotiable |
L-Proline Medicine Grade L-Proline Proline
Food Grade L-Proline
Product Description
Item |
Specification (AJI97) |
Appearance | White crystals or crystalline powder |
Assay,% | 99.0~101.0 |
Specific Rotation | -84.5°~-86.0° |
pH value | 5.9~6.9 |
Loss on drying,% | ≤0.3 |
Heavy Metals (as Pb),% | ≤0.001 |
Residue on Iginition,% | ≤0.1 |
Arsenic (as As),% | ≤0.0001 |
Chloride,% | ≤0.02 |
Amonium(NH4),% | ≤0.02 |
Sulfate(SO4),% | ≤0.02 |
Iron (Fe),% | ≤0.001 |
Other amino acids | Not detd. |
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