S S Randhawa, Baban K S Bansod, Anirudh K Singh, G Chand, A K Ganju
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Development of a photometric system for continuous flow analysis.
Most chemical analyses carried out in a clinical laboratory are colorimetric. An improved photometric system is described where a tungsten lamp is the light source, a photo-diode is the detector and a microcontroller 8051 is used for processing and displaying absorbances. The performance characteristics of the instrument are reported. The parameters investigated are photometric linearity, precision and instrumental drift.