Kinetics of decomposition of tetramethyl murexide in acid solutions

Kinetics of the decomposition of tetramethylmurexide in acid solutions have been investigated spectrophotometrically by following the absorption at λ=530 mμ. The optical density of tetramethylmurexide at this wavelength has been shown to obey Beer’s law with a value of 1.464×104 for the Beer’s constant. The change in the optical density with time of tetramethylmurexide solutions in presence of hydrochloric acid has been shown to obey a first order law and from these data the rate constants of the reaction have been computed at different temperatures in the range 25∼45°C. These data have been employed to obtain quantities such as energy and entropy of activation etc. and the Arrhenius frequency factor; the comparison of this last has been made with the collision theory. The possible mechanism of the reaction has been discussed.

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Kinetics of decomposition of tetramethyl murexide in acid solutions

Cited by 2 publications

References 2 publications

The concentration of free Ca2+ in the sarcoplasmic reticulum of frog cut twitch skeletal muscle fibers estimated with tetramethylmurexide

The concentration of free Ca2+ in the sarcoplasmic reticulum of frog cut twitch skeletal muscle fibers estimated with tetramethylmurexide

Spectrophotometric Studies on the Kinetics of Decomposition of Tetramethylmurexide in Acid Medium

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