Transcription of Infrared spectra of methanol, ethanol, and n-propanol
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Infrared spectra of methanol, ethanol, and n-propanol
-- ~ ---------------------------~------------ ~--~------------------------------------ --~. Journal of Research of the National Bureau of StanJards Vol. 48, , April 1952 Research Paper 2314. Infrared spectra of Methanol, Ethanol, and n-propanol Earle K. Plyler The Infrared absorp tion spectra of m eth ano l, ethanol, a nd n-propanol have bee n meas- ured wi th prism instrum ents. Studies have bce n made of the vapors and of se veral dilu te solu tio ns. Th e m ethanol spectra , betwee n 2 to 15 mi cron s, provided a direct comparison w ith t he other two alcohols and co nfirm ed earli er wo rk on t h e cxistence of a numb er of low- intensity bands. The two other a lcohol s were studi ed from 2 to 36 mi crons. T he ?ands have been class ified in relation to the O - H , C - H , C - O, a nd C - C vibratIOn s wlthlll th e mo lecules. The long-wave absorption , in the region beyond 30 mi crons, for each alcohol, is att ribu ted to t he hindered rotation of OH.
of lithium fluoride, sodium chloride, potassium h o mide, and thallium bromide-iodide. This allowed measurements to be made from 2 to approximately 38 f.1. . The properties and use of prisms of thallium I Figures in brackets indicate the li terature rererences at the end or tbis paper.
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