PRODUCT NAME:L-HISTIDINE HCL EXPIRY DATE:2 years CAS NO.: |
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ITEM |
LIMIT |
Result |
DESCRIPTION |
WHITE CRYSTALS OR CRYSTALLINE POWDER |
CONFORMS |
IDENTIFICATION |
INFRARED ABSORPTION SPECTRUM |
CONFORMS |
SPECIFIC ROTATION[a]D25° |
+8.9°~ +9.5° |
+9.1° |
STATE OF SOLUTION |
≥98.0% |
98.4% |
CHLORIDE(Cl) |
16.66~17.08% |
CONFORMS |
AMMONIUM(NH4) |
≤0.02% |
<0.02% |
SULFATE(SO4) |
≤0.020% |
<0.020% |
IRON(Fe) |
≤10PPM |
<10PPM |
HEAVY METALS(Pb) |
≤10PPM |
<10PPM |
ARSENIC(As203) |
≤1PPM |
<1PPM |
OTHER AMINO ACIDS |
CONFORMS |
CONFORMS |
LOSS ON DRYING |
≤0.20% |
0.15% |
RESIDUE ON IGNITION (SULFATED) |
≤0.10% |
0.05% |
ASSAY |
99.0~101.0% |
99.53% |
PH |
3.5~4.5 |
4.3 |
CONCLUSION: THE TEST RESULT OF THE ABOVE MENTIONED PRODUCT MEETS AJI92 STANDARD. |