Weng Di
Abstract
Trace amount cadmium in chitosan has been determined by graphite furnace atomic absorption spectrometry (GFAAS) with Pd(NO 3) 2 as a matrix modifier. The relative standard deviation of this method is 2 8% and the recover rate is 97 0%～106 3%. The method is simple, rapid and with accurate results.
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Trace amount cadmium in chitosan has been determined by graphite furnace atomic absorption spectrometry (GFAAS) with Pd(NO 3) 2 as a matrix modifier. The relative standard deviation of this method is 2 8% and the recover rate is 97 0%～106 3%. The method is simple, rapid and with accurate results.
Key concepts: Graphite furnace atomic absorption, Cadmium, Relative standard deviation, TRACE (psycholinguistics), Chemistry, Matrix (chemical analysis), Recovery rate, Chitosan