26_LC-page13 - Strong cation - sulfonic acid group Gels -...

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Unformatted text preview: Strong cation - sulfonic acid group Gels - organic or aqueous based Strong anionic - quarternary amine Controlled-pore - silica or glass Weak anion - primary amine Weak cation - COOH Must be selected based on pressure requirements and size range required for your application. A solute property detector. Sample must exhibit absorption in UV/Vis range. Solvent must not absorb significantly at the measured wavelength. Types Light source Filter photometer - single " Variable wavelength Multiwavelength. Dual photocell detector fixed "# dual filter flowcell If the filter is replaced by a monochrometer, you end up with a variable wavelength UV/Vis system photodiode array The photodiode array allow you to simultaneously monitor a range of " or obtain complete spectra. ...
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This note was uploaded on 01/07/2012 for the course CHEM 290 taught by Professor Harvey during the Fall '08 term at SUNY Stony Brook.

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