Distillation apparatus for distilling small sample volumes for analytical purposes; automated flow injection quantitative analysis system, comprising a sampler, an injector, a reactor, a detector, a recorder, and a printer; chromatographic apparatus for separation and analysis of chemical compounds comprising a pressure intensifying pump, a sample injector valve, chromatographic column and a detector which senses difference in ultra-violet wave length peak absorption or other detection methods of liquid chromatography such as refractive index