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Brand:aa
Product detail:
Specification of L-Histidine hcl:
Items | Specification(AJI92) |
Appearance | White crystals |
Content(%) | 99.0%~101.0% |
Specific rotation( °) | +8.9~+9.5 |
Transmittance | ≥98% |
Ammonium salt(%) | 0.02 |
Heavy metal(Pb%) | ≤0.001 |
PH | 3.5~4.5 |
Loss on drying(%) | ≤0.2 |
Residue on ignition(%) | ≤0.1 |
Arsenic(As2O3%) | ≤0.001 |
Chloride(Cl%) | 16.66~17.08 |
Sulfate(SO4%) | 0.02 |
Iron(Fe%) | ≤0.001 |
