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Chemistry

A branch of physical science that is concerned with the study of matter and energy and how they interact.

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Chemistry > Spectroscopy

dynamic range
Chemistry; Spectroscopy

For an interferogram, it is the ratio of the large centerburst signal at ZOPD to the smallest recorded signal (which must be greater than the noise for any benefit from signal ...

duplicate range
Chemistry; Spectroscopy

For an interferogram, it is the ratio of the large centerburst signal at ZOPD to the smallest recorded signal (which must be greater than the noise for any benefit from signal ...

aliasing
Chemistry; Spectroscopy

If frequencies above the Nyquist Frequency are not filtered out, energy in these will appear as spectral artefacts below the Nyquist Frequency. Optical and electronic anti ...

deuterated tri-glycine sulfate (DTGS)
Chemistry; Spectroscopy

Deuterated tri-glycine sulfate pyroelectric detectors are the most common detectors used in FT-IR instruments. They are chosen for their ease of use, good sensitivity, wide ...

dispersive instruments
Chemistry; Spectroscopy

Infrared spectrometers that use a grating or prism to disperse infrared radiation into its component wavenumbers before detecting the radiation. This type of instrument was ...

diffuse reflectance
Chemistry; Spectroscopy

The phenomenon that takes place when infrared radiation reflects off a rough surface. The light is transmitted, absorbed, scattered, and reflected by the surface. The light ...

destructive interference
Chemistry; Spectroscopy

A phenomenon that occurs when two waves occupy the same space. Since the amplitudes of waves are additive, if the two waves are out of phase with each other, the resultant wave ...

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