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5 Kilogram |
Negotiable |
L-Pyroglutamic acid Pyroglutamic acid Amino acid
AJI92/97 standard
L-Pyroglutamic acid
Appearance |
Off-white crystalline powder |
Specific rotation[α]D20 (c=2 H2O) |
-10.5°~ -11.8° |
Melting point |
158~161℃ |
Chloride |
≤0.02% |
NH4 |
≤0.02% |
SO4 |
≤0.05% |
Heavy metals |
≤10ppm |
Iron |
≤20ppm |
Arsenic |
≤1ppm |
Loss on drying |
≤0.5% |
Residue on ignition |
≤0.2% |
Assay |
98.0~101.0% |
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