## Abstract Spectrophotometric titration curves of β‐phenylethyl bromide and aluminium bromide at −80° in carbon disulphide and heptane at 430 and 250 mμ respectively show the formation of a 1 : 1 complex by a fast reaction, which goes to completion.
Spectrophotometric investigations of the mechanism of complex formation: Part I: General description of the technique
✍ Scribed by E. H. Adema; R. Visser; F. L. J. Sixma
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 374 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0165-0513
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✦ Synopsis
Abstract
A description is given of a cell used in taking ultraviolet spectra, especially at lower temperatures, and of a cryostat which can be kept constant within 0.02° down to −150°. Whilst the spectra are being taken, the concentration can be increased by means of a microburette, with exclusion of moisture and oxygen. Thus rates of formation and positions of equilibria of unstable systems can be determined.
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## The kinetics of the reaction between permanganate and nitrite in acid medium were studied spectrophotometrically by the stopped flow method. The observed rate equation was v = k,[HN02] + kzk3 [HNOJ' [Mn( VII)] k3 [Mn(VII)] + k_zK [H+J [HNOa] In perchloric acid medium at 25 + 0.1 "C, with an ion