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Abstract
Simple and sensitive spectrophotometric determination of palladium(II) with O-sulfophenylfluorone(SPF) was proposed in the presence of N-hexadecyltrimethylammonium chloride(HTAC) as a cationic surfactant. The calibration graph was linear up to 1.2 μg/ml palladium(II) by measuring the absorbance at 585 nm against a reagent blank. The apparent molar extinction coefficient (∊) was 1.2 × 105 1 mol−1 cm−1 and Sandell's sensitivity was 0.00096 μg/cm2 palladium(II) at 585 nm. The effect of foreign cations or anions was partially examined.