|
Item |
Standard |
Analysis data |
|
Appearance |
White crystalline powder |
Conforms |
|
Specific rotation[α]20/D (C=8 6N HCL ) |
+16.5 to ~18.5 Degree |
17.0° |
|
Transmittance (0.5 in 10ml of H2O) |
Not less than 95.0% |
96.0% |
|
Chloride (Cl) |
Not more than 0.020% |
<0.02% |
|
Ammonium (NH4) |
Not more than 0.02% |
<0.02% |
|
Sulfate (SO4) |
Not more than 0.020% |
<0.02% |
|
Iron (Fe) |
Not more than 10ppm |
<10ppm |
|
Heavy metal(Pb) |
Not more than 10ppm |
<10ppm |
|
Other Amino Acids |
Chromatographically Not detectable |
Conforms |
|
Loss on drying |
Not more than 2.0% |
<1.6% |
|
Residue on ignition(sulfated) |
Not more than 0.10% |
0.10% |
|
Assay |
98.5%~101.5% |
99.0% |
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