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Canada (511,125)
Chemistry (600)
CHM217H1 (4)
Stone (4)
Lecture

Chapter 21 Notes.docx

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Department
Chemistry
Course
CHM217H1
Professor
Stone
Semester
Fall

Description
Chapter 21 Notes Atomic spectra: Sample is vaporized and decomposed into atoms…composition of the atoms in the vapour are then measured by emission or absorption of characteristic’s of radiation. In a solution…atomic spectroscopy can be used to distinguish one element from another. Analyte is measured in ppm or ppt and sample must be diluted to be analyzed st 1) Liquid sample 1 aspirated (sucked) into the flame. 2) Liquid evaporates and remaining solid is atomized 3) Hollow cathode lamp containing iron cathode…the cathode is bombarded with energetic Ne and Ar ions causing excitation of Fe atoms that vaporize and emit light w
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