PChemLabTXT_page_644

PChemLabTXT | page 644 | https://thedailydialectics.com/pdfs/education/chemistry/p-chem/PChemLabTXT/PChemLabTXT.pdf

ic Rev. Confirming Pages Spectroscopic Instruments 633 Entrance FIGURE 25 slit Optical diagram of Varian- Cary models 219 and 2000 series double-beam Filter wheel spectrophotometers (available Deuterium or tungsten—-halogen Collimating as models 400 and 500 from mirrors Varian). Phototube or lead…