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| L-Alanine |
|
|
|
|
|
| [Molecular
formula] |
C3H7NO2 |
| [Appearance] |
White
crystals or crystalline powder |
|
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|
|
|
| Item |
AJI
92 |
FCC
IV |
| Assay |
99.0£¥~101.0£¥ |
98.5£¥~101.5£¥ |
| Transmittance |
¡Ý98.0£¥ |
Clear |
| Specific
Rotation |
+14.3¡ã ~
+15.2¡ã |
+13.5¡ã ~ +
15.5¡ã |
| Chloride
(Cl) |
¡Ü0.020% |
|
| Ammonium (NH4) |
¡Ü0.02£¥ |
|
| Sulfate(SO4) |
¡Ü0.020£¥ |
|
| Iron(Fe) |
¡Ü10ppm |
|
| Heavy
metals (Pb) |
¡Ü10ppm |
¡Ü20ppm
(Lead ¡Ü10ppm) |
| Arsenic(As2O3) |
¡Ü1ppm |
|
| Other
amino acids |
chromatographically
not detectable |
Not detected |
| Loss
on drying |
¡Ü0.20£¥ |
¡Ü0.3% |
| Residue on
ignition |
¡Ü0.10£¥ |
¡Ü0.2£¥ |
| PH
value |
5.7~6.7 |
5.5~7.0 |
|