|
DL-Alanine
|
AJI92
|
USP26
|
|
Appearance
|
White crystals or crystalline powder
|
---
|
|
State of solution
|
≥98.0%
|
---
|
|
Chloride(Cl)
|
≤0.020%
|
≤0.05%
|
|
Ammonium(NH4)
|
≤0.02%
|
---
|
|
Sulfate(SO4)
|
≤0.020%
|
≤0.03%
|
|
Iron(Fe)
|
≤20ppm
|
≤0.03%
|
|
Heavy metals (Pb)
|
≤10ppm
|
≤15ppm
|
|
Arsenic(As2O3)
|
≤1ppm
|
---
|
|
Other amino acids
|
Conforms
|
---
|
|
Loss on drying
|
≤0.20%
|
≤0.2%
|
|
Residue on ignition
|
≤0.10%
|
≤0.1%
|
|
Assay
|
98.5%~ 101.0%
|
98.5%~101.5%
|
|
pH
|
5.5~7.0
|
5.5~ 7.0
|