A METHOD OF CALIBRATING AND INFRARED PRISM SPECTROMETER
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Date
1951
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Ohio State University
Abstract
This calibration method, developed for a Perkin-Elmer Model-12 spectrometer, covers the regions 5 to $15 \mu (NaCl)$ and 2 to $5 \mu (LiF)$. Standardized techniques lowered the standard deviation of the spectrometer itself to $0.10 cm^{-1}$ at $1000 cm^{-1}$. The McKinney and Friedel formula, $T_{1} = T_{0} + \frac{*}{v_{1}{^{2}} - v_{1}{^{2}}}$, is shown to be analogous in form and method of solution to the Hartmann dispersion formula, $\lambda_{1} = \lambda_{0} + \frac{c}{d_{0} - d_{1}}$. Thus Hartmann-formula techniques have been applied to the McKinney and Friedel equation. Solutions are readily handled on a calculating machine; graphical interpolations are obviated. The results have a standard deviation of $0.28 cm^{-1}$ at $1000 cm^{-1}$.
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Author Institution: Washington State Institute of Technology