08 MPAES_page_4

08 MPAES | page 4 | https://thedailydialectics.com/pdfs/education/chemistry/analytical-chem/analytical-methods-for-analysis-UH/08 MPAES/08 MPAES.pdf

CHEM 4229 A simultaneous multichannel instrument incorporates either a polychromator or a spectrograph. Polychroma- tors contain a series of photomultiplier tubes for detec- tion, but spectrographs use two-dimensional charge-in- jection devices (CIDs) or charge-coupled devices (CCDs) as…