FI spectrophotometric determination of Pd with DBOK-chlorophosphonazo |
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| Authors: | Jian Huang Xingguo Chen Zhide Hu Zhengfeng Zhao Martin Hooper |
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| Institution: | (1) Department of Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China, CN;(2) School of Applied Sciences, Monash University Gippsland Campus, Churchill, VIC 3842, Australia, AU |
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| Abstract: | A flow injection method was developed for the determination of palladium, based on the reaction of palladium with DBOK-chlorophosphonazo
with a detection limit of 0.07 μg/mL and a linear calibration range from 0.1 to 3.2 μg/mL of palladium. The reaction product
has a maximum absorption at 630 nm. The method was applied to determine Pd2+ in catalysts and in anode mud samples. The relative error is less than 3% and the recovery of palladium is in the range 95%
to 105%
Received: 27 April 1998 / Revised: 24 August 1998 / Accepted: 26 August 1998 |
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