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A laboratory constructed molybdenum tube atomizer was used for direct determination of trace cadmium in drug samples by the electrothermal atomic absorption spectrometric (ETAAS) method. An ultrasonic agitation method for a solution including the sample powder was used. A calibration curve was constructed with a cadmium standard solution including matrix. To eliminate interference from other matrix...
The direct determination of lead in calcium drug samples by electrothermal atomic absorption spectrometry (ETAAS) with a molybdenum tube atomizer has been developed. Direct calibration with lead standard solutions together with matrix elements (CaHPO 4 or CaCo 3 ) and ultrasonic agitation of a solution including the sample powder were used. Thiourea served as a matrix modifier to eliminate...
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