Letter | Published:

A Gravimetric Estimation of the Carboxylic Acid Group in Cellulose

Naturevolume 168page566 (1951) | Download Citation

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Abstract

THE electrochemical and ion exchange properties of cellulose and other insoluble polysaccharides are largely determined by the content of —COOH groups, so that their precise eatimation becomes a matter of some importance. Davidson1 has recently re-examined the various methods available for their determination, which are based either upon some form of acid–alkali titration, or upon the absorption of the basic dye methylene blue.

References

  1. 1

    Davidson, Shirley Inst. Mem., 22, 71 (1948).

  2. 2

    Neale and Stringfellow, Trans. Farad. Soc., 33, 881 (1937).

  3. 3

    Pacsu, J. Text. Research, 16, 163, 318, 390 (1946).

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  1. College of Technology, Manchester, 1

    • J. FARRAR
    • , S. M. NEALE
    •  & G. R. WILLIAMSON

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https://doi.org/10.1038/168566b0

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