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28 May 2001

Measuring foam inhibitor in returnable bottles and washing plants

Washing of dirty returnable bottles has been greatly facilitated by the use of chemical cleaning agents. Carry-over of individual cleaning components into the product to be filled can be problematic. A method is presented for quantitative analysis of surfactants in bottles and in the washing plant. This method is based on HPLC which is already in use for beer analyses in a number of breweries.

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