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Quantitative Bestimmung von elementarem Schwefel im μg-Bereich in Papieren und Cellulosefasern

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Summary

A method for the determination of elementary sulphur in paper and cellulose fibers is based on its reduction to hydrogen sulphide by means of N-(4,4′-dimethoxybenzohydrilidene)benzylamine. The hydrogen sulphide is absorbed in zinc acetate solution and determined as methylene blue. 5 × 10−6 g of sulphur could be quantitatively determined in 0.5 g of paper.

Zusammenfassung

Zur Bestimmung von elementarem Schwefel in Papier und Cellulosefasern wird dieser mit N-(4,4′-Dimethoxybenzohydriliden)benzylamin bei Anwesenheit von Cellulosefasern quantitativ zu Schwefelwasserstoff reduziert. Der Schwefelwasserstoff wird in Zinkacetat absorbiert und als Methylenblau bestimmt. Es konnten 5 · 10−6 g Schwefel in 0,5 g Papier quantitativ bestimmt werden.

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Literatur

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Authors and Affiliations

  1. Institut der Papierteohnischen Stiftung, München

    Otto Huber, Helmut Kolb & Josef Weigl

Authors
  1. Otto Huber
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  2. Helmut Kolb
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  3. Josef Weigl
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Huber, O., Kolb, H. & Weigl, J. Quantitative Bestimmung von elementarem Schwefel im μg-Bereich in Papieren und Cellulosefasern. Z. Anal. Chem. 227, 416–420 (1967). https://doi.org/10.1007/BF00506683

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  • DOI: https://doi.org/10.1007/BF00506683

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