Abstract
Abstract A method of assay was tried for ethyl nitrite in spirits, based on IR absorbance between 5.5 and 7.0 μ in chloroform solution. Conditions, such as temperature and proportion of alcohol to chloroform in sample, standard, and blank, must be made as closely identical as possible. Experiments indicate that ethyl alcohol, when dissolved in chloroform, shows a prominent peak at 6.17 μ, in the same region as the nitrite group (6.3–6.4 μ). Since the ethyl alcohol in ethyl nitrite spirits has approximately the same infrared absorbance peak as the ethyl nitrite, this procedure does not appear practical.
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