The Use of Sulfur Dioxide in Shipping Grapes (Classic Reprint)

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Excerpt from The Use of Sulfur Dioxide in Shipping GrapesThe general principle of treatment as it was worked out by the Division of Viticulture consists in surrounding. The grapes with an atmosphere of air containing from to per cent (by volume) of cool Sulfur dioxide. The grapes absorb the sulfur dioxide from this dilute mixture at a relatively slow rate. The amount absorbed by the grapes is regulated by the concentration of the-gas in the atmosphere, and the time of exposure.In commercial practice at the. Present time, the concentration of sulfur dioxide in the atmosphere of the car3 (or' other treating cham ber) is made uniform by rapidly displacing the original air in the car with the sulfur-dioxide - air mixture. When the displacement is practically complete the car is closed and the grapes allowed to absorb the sulfur dioxide.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.