The Use of Solvent-Nonsolvent Mixtures for the Purification of Anionic Dyes-Reference-Cited by-同舟云学术

The Use of Solvent-Nonsolvent Mixtures for the Purification of Anionic Dyes

Published:1976-06 Issue:6 Volume:46 Page:435-437
ISSN:0040-5175
Container-title:Textile Research Journal
language:en
Short-container-title:Textile Research Journal

Author:

Chavan R. B.¹

Affiliation:

1. Department of Polymer and Fibre Science, University of Manchester, Institute of Science and Technology, Manchester M60 1QD, England

Abstract

The use of Dimethylformamide-Trichloroethylene (DMF-TCE) as a solvent-nonsolvent mixture is suggested for the purification of acid and direct dyes of varying degrees of sulphonation. The dye purity was varied from 93% to 100% as indicated by the sodium analysis of the purified dyes. In addition to TCE the feasibility of various other solvents as precipitating agents was also qualitatively tested.

Publisher

SAGE Publications

Subject

Polymers and Plastics,Chemical Engineering (miscellaneous)

Link

http://journals.sagepub.com/doi/pdf/10.1177/004051757604600609

Reference9 articles.

1. QUANTITATIVE RESEARCH ON THE DYEING OF VISCOSE YARNS

2. Paper Chromatography of Synthetic Dyes

3. A Review of Methods of Purifying and Analyzing Water-Soluble Dyes

4. Practical Methods for Purification of Anionic Dyes as Their Sodium, Potassium and Lithium Salts

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