Test |
Specification |
Result |
Clear colorless liquid |
Complying |
Complying |
Color ( APHA Pt – Co ) |
< = 5 |
5 |
Assay ( GC on anhydrous basis ) |
> = 99.98 % |
99.99% |
Residue after evaporation |
< = 0.0001 % w / w |
0.0001 % w / w |
Water ( KF ) |
< = 0.03 % w / w |
0.01 % w / w |
Acidity ( as Acetic acid ) |
< = 0.002 % |
0.00% |
Alkalinity ( as Ammonia ) |
< = 0.0001 % |
0.00% |
UHPLC / MS ESI / APCI + ( as Reserpine ) |
< = 6 ppb |
< 5 ppb |
UHPLC / MS ESI / APCI- ( as Reserpine ) |
< = 20 ppb |
20 ppb |
H.Peak by PDAD 220-400nm |
< = 0.004 AU |
0.001 AU |
Grad . elution H.Peak at 220nm |
< = 0.004 AU |
0.001 AU |
Grad . elution drift at 220nm |
< = 0.05 AU |
0.03 AU |
Grad . elution H.Peak at 235nm |
< = 0.002 AU |
0.001 AU |
Grad . elution drift at 235nm |
< = 0.015 AU |
0.012 AU |
Fluorescence 254nm ( as Quinine ) |
< = 0.5 ppb |
< 0.3 ppb |
Fluorescence 365nm ( as Quinine ) |
< = 0.3 ppb |
< 0.3 ppb |
UV Trans . 210nm |
> = 40 % |
40% |
UV Trans . 220nm |
> = 65 % |
66% |
UV Trans . 230nm |
> = 80 % |
82% |
UV Trans . 260nm |
> = 98 % |
99% |
Silver ( Ag ) |
< = 50 ppb |
< 50 ppb |
Aluminum ( Al ) |
< = 20 ppb |
< 20 ppb |