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Evaluation of Uncertainty for Palladium Content in Palladium Compounds by Complexometric Titration
Pages: 60-65
Year: Issue:  3
Journal: Precious Metals

Keyword:  analytical chemistryuncertaintycomplexometric titrationpalladium compounds;
Abstract: The uncertainty for complexometric titration of EDTA to determine the palladium contents in palladium compounds was evaluated, and the expanded uncertainties were calculated. Results indicated that the expanded uncertainties are 0.30%, 0.26%, 0.24%, 0.10% and 0.03% for palladium contents of 59.59% (PdCl2), 47.73% (Pd(OAc)2), 42.46% (Pd(NH3)4Cl2), 17.64% (Pd(NO3)2 solution) and 4.01% (PdSO4 solution) in palladium compounds, respectively. The uncertainty mainly came from the end judgment and calibration process.
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