Assay (GC) Refractive index (20 °C) Acidity Alkalinity Water (KF) Residue on evaporation
Transmittance 210 nm 225 nm 230 nm ≥ 260 nm
Fluorescence (quinine) 254 nm 365 nm
UHPLC gradient peak 220 nm 235 nm Drift at 220 nm Drift at 235 nm
Test LC-MS TIC (50 – 2000 m/z) ES I(+) Sensitive impurities (reserpine)
Metal Compounds Na/K/Ca Al/Fe/Mg
Microfiltered, 0.1 µm | min. 99.99 % 1.3270 - 1.3300 ≤ 0.0003 meq/g ≤ 0.00006 meq/g ≤ 200 ppm ≤ 1 ppm
min. 40.0 % min. 70.0 % min. 80.0 % min. 98.0 %
max. 1 ppb max. 1 ppb
max. 4 mAU max. 2 mAU max. 30 mAU max. 10 mAU
max. 30 ppb
max. 50 ppb max. 20 ppb |