✍ Scribed by Pardun, H.
No coin nor oath required. For personal study only.
To lower the risk of explosion during upheave1 or loading of extracted seeds the precise knowledge of the residual benzine content in the seed is of high importance. To be able tojudge the various new analytical methods, the relation between benzine content of the seed and of the surrounding air was studied in extended test series. It was found that both dimensions obey predominantly the law of Freundlich and that the benzine retention is scarcely influenced by kindandloosevolumeoftheextractedseed,but stronglybyits fat content. Basing on the results the recent DGF standard method B-I1 8a (83) for residual benzine determination in extracted seed (M. Arens and E. Krol1,Fette. Seifen. Anstrichmittel 85, 307 [ 19831) in which the total benzine content is deduced from the benzine concentration in the gas phase determined by gaschromatography,is estimated as very reliable. But theformer DGF-method, B-I18 (68), too, applied for the same purpose, should be kept after some improvements have been carried out, because it demands only a small need of devices.
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## Abstract Nach kritischer Untersuchung der bisher gebräuchlichen Verfahren werden neue Methoden beschrieben, die besonders auf die Bedürfnisse der Ölmühlen‐Industrie zugeschnitten sind.