Page 245 - Applied Pharmacognosy
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V- Detector
grouped according to B-Detector response
A-selectivity
A-selectivity:
1 Non selective detectors , respond to all compounds except carrier gas
---- Thermal Conductivity Detector (TCD).
2Selective detectors , respond to a range of compounds with a common
physical or chemical property-------- flame ionization (FID) , electron
capture (ECD ) , ---
3 specific detectors , respond to a single chemical component ---------- organo
–phosphorous , ----
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