Abstract
IN a previous communication1 we described the separation, identification and determination of the methyl esters of the long-chain fatty acids present in montan wax. This work was afterwards confirmed by Wollrab, Streibl and Sorm2, who also used a flame ionization detector. They, however, used a chromatographic column containing 5 per cent ‘Apiezon L’ on ground tile and preconditioned by vacuum sublimation at temperatures of up to 350° C and operated at 335° C. These authors recorded the presence in montan wax of all the straight-chain normal fatty acids in the range C22–C34 that we had previously identified, and in addition the C33 acid which we had not at that stage reported.
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References
Hewett, D. R., Kipping, P. J., and Jeffery, P. G., Nature, 192, 65 (1961).
Wollrab, V., Streibl, M., and Sorm, F., Chem. and Indust., 1762 (1962).
Metcalfe, L. D., Nature, 188, 142 (1960).
Tanner, D. W., Poll, A., Potter, J., Pope, D., and West, D., J. App. Chem., 12, 547 (1962).
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EDWARDS, V., KIPPING, P. & JEFFERY, P. Composition of Montan Wax. Nature 199, 171–172 (1963). https://doi.org/10.1038/199171a0
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DOI: https://doi.org/10.1038/199171a0
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