Standard Practice for General Techniques for Obtaining Infrared Spectra for Qualitative Analysis| vapor phase spectra, split mull technique, solid phase spectra, qualitative infrared analysis, polymer analysis, photoacoustic spectroscopy, liquid phase spectra, latex suspensions, infrared spectroscopy, infrared solution spectra, heated gas cells, gas phase spectra, gas chromatographic effluent spectra, emission spectroscopy, DRIFT spectroscopy, disposable IR cards, diffuse reflection spectroscopy, attenuated total reflection spectroscopy, alkali halide pressed pellets