ASTM E 573 Standard Practices for Internal Reflection Spectroscopy
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ASTM E 573 Document Information:
Title
Standard Practices for Internal Reflection Spectroscopy
ASTM International
Publication Date:
Sep 10, 2001
Scope:
These practices provide general recommendations covering the
various techniques commonly used in obtaining internal reflection
spectra.2,3 Discussion is limited to the infrared region
of the electromagnetic spectrum and includes a summary of
fundamental theory, a description of parameters that determine the
results obtained, instrumentation most widely used, practical
guidelines for sampling and obtaining useful spectra, and
interpretation features specific for internal reflection.
2 Internal Reflection Spectroscopy, IRS, is the
accepted nomenclature for the technique described in these
practices. Other terms are sometimes used which include: Attenuated
Total Reflection, ATR; Frustrated Total Reflection, FTR; Multiple
Internal Reflection, MIR; and other less commonly used terms. In
older literature, one may find references to Frustrated Total
Internal Reflection, FTIR. This should not be confused with Fourier
Transform Infrared Spectroscopy FT-IR.
3 Other terms sometimes used for referring to the
internal reflection element are: ATR crystal, MIR plate, or sample
plate.
Keywords:
- internal reflection spectroscopy
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