The Estimation of Carbohydrates. IV.: The Presence of Free Pentoses in Plant Extracts and the Influence of other Sugars on their Estimation

When, however, small amounts of pentose have to be estimated accurately in presence of large quantities of other sugars, it is advisable, as suggested by Kluyver, to ferment away these sugars before applying Kröber's process.(Received June 22 1914)