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level: INTRUMENTS

Questions and Answers List

Question	Answer
a type of electromagnetic spectroscopy which analyzes fluorescence from a sample. It involves using a beam of light, usually ultraviolet light, that excites the electrons in molecules of certain compounds and causes them to emit light of a lower energy	Fluorescence spectroscopy
Analogous to fluorescence except that it is not wavelength dependent and does not require the molecule to have a chromophore The shifts measured correspond to the wavenumbers of the bands present in the middle-IR spectra of the molecule	RAMAN SPECTROSCOPY
Branches of spectrometry in which transmitted or reflected light, respectively, is measured after radiant energy passes through a turbid solution or suspension	TURBIDIMETRY AND NEPHELOMETRY
NUCLEUS OF AN ATOM PLACED IN MAGNETIC FIELD AND EXPOSED TO ELECTROMAGNETIC RADIATION RESONATES AT A SPECIFIC FREQUENCY OF THAT RADIATION	NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY (NMR)
Charged molecules or molecular fragments are generated in high-vacuum region, using a variety of methods for ion production. The ions are generated in the gas phase so that they can then be manipulated by the application of either electric or magnetic fields to enable the determination of their molecular weights	MASS SPECTROMETRY