Archive image from page 260 of Dairy chemistry; a practical handbook. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies dairychemistryp00rich Year: 1920 POLENSKE PROCESS. 245 To facilitate the melting of the fatty acids, the author proposes lengthening the bulb tube, used by Wollny for distillation, above the bulb to 15 cm. and placing on it a small condenser, through which water is kept running during the melting of the acids, this being removed during distillation ; the same results are obtained by the use of this apparatus as by Wollny's. The Po
Archive image from page 260 of Dairy chemistry; a practical handbook. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies dairychemistryp00rich Year: 1920 POLENSKE PROCESS. 245 To facilitate the melting of the fatty acids, the author proposes lengthening the bulb tube, used by Wollny for distillation, above the bulb to 15 cm. and placing on it a small condenser, through which water is kept running during the melting of the acids, this being removed during distillation ; the same results are obtained by the use of this apparatus as by Wollny's. The Polenske Process.—For the detection of coconut oil in butter, Polenske has drawn up very careful directions for the carrying out of the Reichert-Wollny method, and his process includes a determination of the volatile insoluble acids in addition to the estimation of the volatile soluble acids. Alcohol Ho Fig. 33.—Polenske Apparatus. must not be used for the saponification, and glycerol, which was first introduced by Lefimann and Beam, is employed ; in fact,
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