Biological decomposition of chemical lignin: III. Application of a new ultra-violet spectrographic method to the estimation of sodium lignosulphonate in culture media

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DOIResolve DOI: http://doi.org/10.1139/cjr42c-010
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TypeArticle
Journal titleCanadian Journal of Research
ISSN0366-6581
Volume20c
Issue2
Pages101107; # of pages: 7
AbstractAn ultra-violet spectrographic method has been developed for estimating the amount of sodium lignosulphonate present in solutions. The method has been applied to the measurement of lignosulphonate losses in liquid media after fungous growth and the results are compared with those obtained under similar conditions by the β-naphthylamine precipitation method. The spectrographic method gave slightly lower values but was free from certain errors present in the chemical method. The results confirmed previous observations that fungi are capable of decomposing lignosulphonates.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedYes
NPARC number21274467
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Record identifier95254f4c-8958-4fa5-97fc-276134375d10
Record created2015-03-16
Record modified2016-05-09
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