title: A comparison between Pregl-Parnas-Wagner improved form microdistillation apparatus and Srivastava-Mann microdistillation apparatus (proposed) for nitrogen determination.
mesh_terms: D002623:Chemistry Techniques, Analytical / Q000295:instrumentation*; D008832:Microchemistry / Q000295:instrumentation; D009584:Nitrogen / Q000032:analysis*
chemical_list: D009584:Nitrogen