alexa Comparison of Various Additives in Cotton Bleaching Efficiency | OMICS International| Abstract
ISSN: 2380-2391

Journal of Environmental Analytical Chemistry
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  • Research Article   
  • J Environ Anal Chem 2017, Vol 4(4): 218
  • DOI: 10.4172/2380-2391.1000218

Comparison of Various Additives in Cotton Bleaching Efficiency

Aisha Nazir*, Fariha Arooj and Saifur Rehman Kashif
Department of Environmental Sciences, Faculty of Bio Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
*Corresponding Author : Aisha Nazir, Department of Environmental Sciences, Faculty of Bio Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan, Tel: +923154000470, Email: [email protected]

Received Date: Oct 12, 2017 / Accepted Date: Oct 25, 2017 / Published Date: Oct 30, 2017


Bleaching efficiency is evaluated by the degree of whiteness, absorbency, copper number, tendering factor, strength or strength loss, dye uptake, alkali solubility, degree of polymerization and chemical transformation. Recent lab-scale studies have proven ozone to bleach with efficiency comparable to the conventional bleaching agents and hydrogen peroxide at faster rates without requiring heating or any other supportive treatment with less energy and water. Ozone alone, however, showed poor efficiency in pilot-scale determinations, suggesting the use of certain additives to support it in performing its bleaching action. This research was conducted to compare the influence of methanol, isopropanol, oxalic acid and sodium borohydride on improvement in the bleaching performance of ozone in terms of whiteness, absorbency and burst strength. The additives brought an overall improvement in whiteness, absorbency and burst strength of cotton but had significant difference in their performance, as assessed from the pvalues yielded by one-way ANOVA applied on SPSS 20. Methanol outclassed other three in its performance bringing the highest increase in whiteness and burst strength and the highest reduction in fabric absorbency.

Keywords: Bleaching; Tendering factor; Ozone; Polymerization; Spectrophotometer

Citation: Nazir A, Arooj F, Kashif SR (2017) Comparison of Various Additives in Cotton Bleaching Efficiency. J Environ Anal Chem 4: 218. Doi: 10.4172/2380-2391.1000218

Copyright: ©2017 Nazir A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.