title: Gas chromatographic studies on basic nitrogenous drugs. I. Addition of basic compounds or steam to the carrier gas.
mesh_terms: D000327:Adsorption; D000588:Amines / Q000032:analysis*; D000641:Ammonia / Q000032:analysis; D000779:Anesthetics, Local / Q000032:analysis*; D002849:Chromatography, Gas; D005029:Ethylenediamines / Q000032:analysis; D005069:Evaluation Studies as Topic; D005740:Gases / Q000032:analysis; D006358:Hot Temperature; D006863:Hydrogen-Ion Concentration; D008722:Methods; D011048:Polarography; D014835:Volatilization
chemical_list: D000588:Amines; D000779:Anesthetics, Local; D005029:Ethylenediamines; D005740:Gases; D000641:Ammonia