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L-Histidine HCL
Molecular formular: C6H9N3O2·HCl·H2O
Molecular weight: 209.63
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Product description
Parameters
|
L-Histidine HCL |
AJI92 |
EP6 |
|
Assay |
99.0-101.0 |
98.5-101.0% |
|
PH |
3.5-4.5 |
3.0-5.0 |
|
Specific rotation[a]D20 |
+8.9°-+9.5° |
+9.2°-+10.6° |
|
Specific rotation[a]D25 |
/ |
/ |
|
Transmittance(T430) |
≥98.0% |
/ |
|
Chloride(Cl) |
16.66-17.08% |
/ |
|
Ammonium(NH4) |
≤0.02% |
≤0.02% |
|
Sulfate(SO4) |
≤0.02% |
≤0.03% |
|
Iron(Fe) |
≤10PPM |
≤10PPM |
|
Heavy metals(Pb) |
≤10PPM |
≤10PPM |
|
Arsenic |
≤1PPM |
/ |
|
Other amino acids |
conform |
/ |
|
Ninhydrin-positive substances |
/ |
conform |
|
Loss on drying |
≤0.20% |
7.0-10.0% |
|
Residue on ignition |
≤0.10% |
≤0.10% |
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