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Instruments over the years
Basic functional units of analytical
Fundamentals of electronics
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absorbance absorption alternating current amplifier analyzer anode atom automated band pass battery beam blood calibration capacitance capacitor carbon cathode cause cell centrifuge charge checked circuit clinical laboratory coil color colorimeter components concentration conductor counter Courtesy current flow cuvette detector diode direct current elec electrical electrons element emission emitted equipment filter flame frequency function fuse galvanometer glass heat hemoglobin inductor input instru instrument ionization ions material measured ment metal meter Model molecules monochromator motor moving operation optical output P-N junction P-type semiconductor patient peak performed photometer photomultiplier phototube plate PNP transistor positive potential potentiometer power supply problem produced quality control radiant energy radiation reagents recorder reference resistance resistor sample scan semiconductor serum shown in Fig signal slit solution spectrophotometer spectrum standard struments temperature thermistor tion transistor unit vacuum tube voltage wavelength wire zener diode