THISfifth review of analytical procedures for essential oils and related products follows the general outline established in the previous reviews (56-59). The present paper covers the literature from October 1952 to October 1954.There is evidence of further use of infrared and ultraviolet absorption procedures, and of a marked emphasis on chromatographic separations. However, relatively few adaptations of these methods, applied specificalfy to essential oils, have been reported.
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