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67 1977 Rec Practices for General Techniques of Infrared Quantitative Analysis
63 1977 Rec Practices for General Techniques of Ultraviolet Quantitative Analysis
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absorbance reading absorption band accuracy analysis analytical curve analytical wavelength angle of incidence aperture applied ASTM ASTM Committee ASTM Headquarters ASTM Standards attenuation Beer's law Calculate calibration carbon chart chemical code units column components compounds concentration curve detector determined dilution film filter flask fluorescence fraction frequency holder holmium oxide indicates Infrared instrument IRE's linear liquid material measured ment method monochromator noise Note number in parentheses obtained optical patent rights percent photometer plasticizers plate Poly(Vinyl Chloride position procedure pulse quantitative radiant energy radiant power range ratio reagent Recommended Practices reference beam refractive index resin responsible technical committee revision sample cell sample path length scan sensitivity signal slit width solid solution solvent spec specified spectra spectral bandwidth spectrogram spectrometer spectrophotometer spectrum stabilizer and filler surface techniques thickness tion transmittance trap ultraviolet usually wave wavelength wavenumber zero