Thermal stability of LIX63 oxime

M. E. Keeney; Kwadwo Asare Osseo-Asare

doi:10.1016/0304-386X(84)90038-0

Thermal stability of LIX63 oxime

M. E. Keeney, Kwadwo Asare Osseo-Asare

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9 Scopus citations

Abstract

The thermal behavior of the anti and syn isomers of 5,8-diethyl-7-hydroxy-6-dodecanone oxime (H₂Ox), extracted from the commercial reagent, LIX63 (Henkel Corp.) has been studied. The heat treatment techniques used include refluxing, sublimation, differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Analytical results derived from infrared, ¹H-NMR, ¹³C-NMR and mass spectra indicate that the aliphatic oxime undergoes thermal isomerization from the anti to the syn isomer. An isomerization mechanism is presented based on a nitroso-oxime tautomerism consistent with both ambient and elevated temperature isomer interconversion.

Original language	English (US)
Pages (from-to)	255-265
Number of pages	11
Journal	Hydrometallurgy
Volume	12
Issue number	2
DOIs	https://doi.org/10.1016/0304-386X(84)90038-0
State	Published - Jan 1 1984

All Science Journal Classification (ASJC) codes

Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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10.1016/0304-386X(84)90038-0

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title = "Thermal stability of LIX63 oxime",

abstract = "The thermal behavior of the anti and syn isomers of 5,8-diethyl-7-hydroxy-6-dodecanone oxime (H2Ox), extracted from the commercial reagent, LIX63 (Henkel Corp.) has been studied. The heat treatment techniques used include refluxing, sublimation, differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Analytical results derived from infrared, 1H-NMR, 13C-NMR and mass spectra indicate that the aliphatic oxime undergoes thermal isomerization from the anti to the syn isomer. An isomerization mechanism is presented based on a nitroso-oxime tautomerism consistent with both ambient and elevated temperature isomer interconversion.",

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TY - JOUR

T1 - Thermal stability of LIX63 oxime

AU - Keeney, M. E.

AU - Osseo-Asare, Kwadwo Asare

PY - 1984/1/1

Y1 - 1984/1/1

N2 - The thermal behavior of the anti and syn isomers of 5,8-diethyl-7-hydroxy-6-dodecanone oxime (H2Ox), extracted from the commercial reagent, LIX63 (Henkel Corp.) has been studied. The heat treatment techniques used include refluxing, sublimation, differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Analytical results derived from infrared, 1H-NMR, 13C-NMR and mass spectra indicate that the aliphatic oxime undergoes thermal isomerization from the anti to the syn isomer. An isomerization mechanism is presented based on a nitroso-oxime tautomerism consistent with both ambient and elevated temperature isomer interconversion.

AB - The thermal behavior of the anti and syn isomers of 5,8-diethyl-7-hydroxy-6-dodecanone oxime (H2Ox), extracted from the commercial reagent, LIX63 (Henkel Corp.) has been studied. The heat treatment techniques used include refluxing, sublimation, differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Analytical results derived from infrared, 1H-NMR, 13C-NMR and mass spectra indicate that the aliphatic oxime undergoes thermal isomerization from the anti to the syn isomer. An isomerization mechanism is presented based on a nitroso-oxime tautomerism consistent with both ambient and elevated temperature isomer interconversion.

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EP - 265

JO - Hydrometallurgy

JF - Hydrometallurgy

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Thermal stability of LIX63 oxime

Abstract

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