Ammonia 1 Basic pharmaceutical 1 Basic pharmaceuticals 1 Carbon dioxide 1 Chiral separations 1 Chirality 1 Drug products 1 Effluent treatment 1 Electrospray ionization 1 Enantiomeric determination Enantiomers 1 Gas chromatography 1 Mass spectrometry 1 Mobile phasis 1 Phase separation 1 Sewage 1 Sludge 1 Sludge samples 1 Stereochemistry 1 Super critical fluid chromatography 1 Supercritical fluid chromatography 1 Supercritical fluids 1 Time of flight mass spectrometry 1 Wastewater 1 Wastewater samples 1