PChemLabTXT_page_638

PChemLabTXT | page 638 | https://thedailydialectics.com/pdfs/education/chemistry/p-chem/PChemLabTXT/PChemLabTXT.pdf

ic Confirming Pages Spectroscopic Components 627 FIGURE 20 Typical connections for Photocathode a photomultiplier tube. Secondary emission of electrons from 5 to 15 dynodes Vout 5 - 8 provides gains of up to 10°. The dynode resistors are usually all the same and are about 50 kQ. The capacitors on…