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  Home > JCE Print > Journal of Chemical Education > Issues > 2006  > October  >
In the Laboratory
Using Metals To Change the Colors of Natural Dyes
Jennifer E. Mihalick
Department of Chemistry, University of Wisconsin, Oshkosh, Oshkosh, WI 54901

Kathleen M. Donnelly
Department of Theatre, University of Wisconsin, Oshkosh, Oshkosh, WI 54901

Cover
October 2006
Vol. 83 No. 10
p. 1550
Abstract
Metal salts (mordants) are used to produce different colors in fabrics dyed with tea leaves or marigold flowers. This experiment is especially suitable for nonscience majors and can be used to introduce polymers.
Supplement
Instructor's notes, including instructions for preparing the chemical and fabric samples and typical results, and the student worksheet with the procedures and spaces to record observations are available.
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Contents
  JCE2006p1550W.pdf
 
JCE2006p1550W.zip
JCE2006p1550W.cwk (Apple Works)
More Information
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Citation
Mihalick, Jennifer E.; Donnelly, Kathleen M. J. Chem. Educ. 2006 83 1550.
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Keywords
Applications of Chemistry; Dyes / Pigments; First-Year Undergraduate / General; Hands-On Learning / Manipulatives; High School / Introductory Chemistry; Laboratory Instruction; Polymer Chemistry; Transition Elements; Transition Elements
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History
Created:
Last Updated:
8/23/2006
8/28/2006
 Caution! 
Experiments, laboratory exercises, lecture demonstrations, and other descriptions of the use of chemicals, apparatus, instruments, computers, and computer interfaces are presented in the Journal of Chemical Education as illustrative of new or improved ideas or concepts in chemistry instruction and are directed at qualified teachers. Although every effort is made to assure and encourage safe practices and safe use of chemicals, the Journal of Chemical Education cannot assume responsibility for uses made of its published materials. Many chemicals are hazardous. Precautions for the safe use of hazardous chemicals and directions for their proper disposal are described in the Material Safety Data Sheets and on the labels. We strongly urge all those planning to use materials from our pages to make choices and to develop procedures for laboratory and classroom safety in accordance with local needs and situations.
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