Complexation and determination of palladium (II) ion with para-Cl-phenylazo-R-acid spectrophotometrically
✍ Scribed by Wageih Georgy Hanna
- Book ID
- 117224990
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 198 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0039-9140
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## Abstract A rapid extraction and spectrophotometric determination of palladium with N‐p‐chlorophenylbenzohydroxamic acid (N‐p‐Cl‐BHA) is described. The palladium forms an orange coloured complex with N‐p‐Cl‐BHA at pH 3.0. It is extracted with chlorobenzene and has a maximum absorbance at 430 nm.
The colour reaction of 4-hydroxyiminomethyl-1-methylpyridinium chloride (PAM-4Cl) and palladium(II) chloride has been investigated. The optimum reaction conditions, spectral characteristics, conditional stability constant and composition of the yellow water-soluble complex have been established. A n