Spectrophotometric determination of lead(II) with ethylenediaminetetrametilenphosphonic acid (EDTMPA)
β Scribed by Adela Bermejo-Barrera; MaAngela Gomez-Doval; F. Bermejo-Martinez
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 313 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0026-265X
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The reaction of phenyl acetate with hydroxylamine to form acetohydroxamic acid is catalyzed by nickel (11). Kinetic studies revealed that of the two steps in this process (the first being formation of 0-acetylhydroxylamine and the second its conversion to acetohydroxamic acid), it is the second step
## Abstract A rapid extraction and spectrophotometric determination of palladium with Nβpβchlorophenylbenzohydroxamic acid (NβpβClβBHA) is described. The palladium forms an orange coloured complex with NβpβClβBHA at pH 3.0. It is extracted with chlorobenzene and has a maximum absorbance at 430 nm.