spec20 - SOURCE MONO- CHROMATOR DETECTOR SAMPLE 37.7 SLIT...

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Unformatted text preview: SOURCE MONO- CHROMATOR DETECTOR SAMPLE 37.7 SLIT The visible-UV spectrometer permits the quantitative determination of the absorption and transmission of light in the wavelength range 200 nm * - 900 nm by a clear liquid sample. The device consists of simple components. * The actual lower wavelength limit is 350 nm the limitation is the use of glass sample containers. Glass absorbs significant proportions of the radiation below that wavelength. sample compartment wavelength adjustment zero adjustment wavelength switch 100% transmittance adjustment mode switch The Apparatus The Apparatus display Variations in Spectrometers Variations in Spectrometers Some models of spectrometers include other switches and capabilities which do not play a role do not play a role in our exercises, e.g., mode switches labeled concentration or function Some models of spectrometers do not include the wavelength wavelength switch switch shown in the preceding picture....
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This note was uploaded on 10/25/2009 for the course CHE 134 taught by Professor Staff during the Spring '08 term at SUNY Stony Brook.

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spec20 - SOURCE MONO- CHROMATOR DETECTOR SAMPLE 37.7 SLIT...

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