mass spec
-slang for m-ss spectrometry. not m-ss spectroscopy… spectroscopy is not the same as spectrometry. spectroscopy uses light… this spectrometry does not…
-a common tool amongst chemists of all varieties since it can distinguish between molecules based on very small differences in m-ss. in princ-p-l it works by ionizing a molecule with some sort of ionization source (electron impact, electrospray ionization, chemical ionization, maldi, ect…), the charged molecule is then accelerated through a m-ss selector, which can vary in form from a magnetic sector to a quadrupole, to a time of flight (tof) selector. after selection, the molecule is directed to a detector where it is measured or directed to another portion of the apparatus for further experimentation. m-ss spectrometry has been coupled with many separation methods such as hplc, gc, and ce to yield quant-tative information, while tools such as icr has been developed for studies of reaction dynamics. many experiments have been devised to measure very low concentrations of -n-lyte since the sensitivity and signal to noise are so high. also, the resolution of many spectrometers is quite good, allowing for molecules of similar m-ss to be distinguished. organic chemists tend to use it for structure elucidation since a pattern of fragments can be used to piece together the structure when combined with other methods such as nmr and ftir.
-its not m-ss spectroscopy… its m-ss spectrometry… there is a difference…
-m-ss spec is a great tool for all of science.
m-ss spectroscopy
i be workin’ m-ss spec this summer for my internship, yo shoddy!
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