Product Name: L-Glutamic acid
CAS#: 56-86-0
Molecular Formula: C5H9NO4
Molecular Weight: 147.13
Specifications: (reference standard: AJI92)
Item |
Standard |
Analysis data |
Appearance |
White or off-white powder |
Conforms |
Specific Rotation (C=10 in 2N HCl) |
+31.5 to +32.2° |
+31.86° |
Chloride (Cl) |
Not more than 0.020% |
0.012% |
ammonium (NH4) |
Not more than 0.020% |
<0.02% |
sulfate (SO4) |
Not more than 0.020% |
0.008% |
iron(Fe) |
Not more than 10ppm |
8ppm |
Heavy mental (Pb) |
Not more than 10ppm |
5ppm |
Arsenic (As2O3) |
Not more than 1ppm |
<1ppm |
Other amino acid |
Not detectable |
Conforms |
Loss on drying |
Not more than 0.20% |
0.11% |
Residue on ignition |
Not more than 0.10% |
0.07% |
Assay |
99.0% to 100.5% |
99.5% |
pH |
3.0 to 3.5 |
3.2 |
Inspector: |
陈君 王琼 |
Manager: |
彭秀明 |
Conclusion |
The product is according with standard. |
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