10 Questions
Absorbance spectroscopy employs frequencies in the range from 10^15 Hz (UV-vis) to 10^7 Hz (NMR). There are currently no transducers that have sufficient response and recovery time to record an accurate time domain spectrum at ____ Hz in real time.
10^15
For IR Spectroscopy, the ______ Interferometer is used as the modulation mechanism depending on the frequency range under investigation.
Michelson
The Fast-Fourier Transform (FFT) algorithm and a standard PC processor can quickly execute the transform of the time domain spectra, making it less complex as more independent frequencies are introduced, ensuring efficient processing of the ______ spectra.
complex
The sensitivity of several spectroscopic methods can be enhanced by taking advantages of the benefits provided by the _______ Transform approach.
Fourier
With the dispersive IR instrument, there is a compromise between S/N and _______.
resolution
True signals are linearly additive in _______ Transform IR Signal Averaging.
Fourier
FTIR stands for Fourier Transform Infrared ______
spectroscopy
In the Michelson Interferometer, constructive interference is observed when the path-length difference is an ______ multiple of the wavelength
integer
An interferogram is a plot of output power vs. ______
path-length difference
To ensure efficient processing, the Fast-Fourier Transform (FFT) algorithm is used to transform the time domain spectra into the ______ domain
frequency
Test your knowledge on the Fast-Fourier Transform (FFT) algorithm, time domain spectra, and absorbance spectroscopy frequencies. Questions are based on concepts from the book 'Quantitative Chemical Analysis' by D.C. Harris and C.A. Lucy.
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