JEAN BERNARD NADEAU / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY JEAN BERNARD NADEAU / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY
Wine analysis. Researcher using Frantz Paul apparatus to distil sulphur dioxide from red wine. Sulphur dioxide inhibits the growth of unwanted bacteria and spoilage yeasts, and helps prevent oxidation of the wine. Photographed in the Sarco oenology laboratory, Gironde, France.
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