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Arginine Tidiacicate
| Tests | Specifications |
| Appearance | White or Slightly Yellow Powder |
| Identification | Conforms |
| Melting Range | About 185'C |
| pH | 3.5 ~ 4.6 |
| Specific Rotation [a]D20 | -33.0' ~ -37.5' |
| Sulfate (SO4) | Less than 0.048% |
| Arsenic (as As2 O3) | Less than 2 ppm |
| Heavy Metals (as Pb) | Less than 20 ppm |
| Other Amino Acids | Chromatographically Not Detectable |
| Loss on Drying | Less than 0.5% |
| Residue on Ignition | Less than 0.1% |
| Assay | More than 98.5% |