Quality Level
Assay
≥99.0% (HPLC)
≥99.0%
form
powder
optical activity
[α]20/D +8±0.5°, 2 hr, c = 5% in H2O
ign. residue
≤0.1% (as SO4)
mp
90-95 °C
solubility
H2O: 0.1 g/mL, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
As: ≤0.1 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
application(s)
microbiology



