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Letter

Reply to Similar Articles about the Absorbance of Colored Drinks

Karen E. Stevens

Department of Chemistry, Whitworth College, Spokane, WA 99251-3903

J. Chem. Educ., 2008, 85 (9), p 1194

DOI: 10.1021/ed085p1194.2

Publication Date (Web): September 1, 2008

Abstract

Concern over the calibration of food dyes can be mitigated by using Kool-Aid packets from the same lot number.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Analytical Chemistry

Keywords (Feature):

Letters

Keywords (Subject):

Dyes / Pigments

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Received: August 03, 2009

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Using Visible Absorption To Analyze Solutions of Kool-Aid and CandyJournal of Chemical Education
- Using Visible Absorption To Analyze Solutions of Kool-Aid and Candy
  Karen E. Stevens
  Journal of Chemical Education 2006 83 (10), p 1544
  Abstract:
  This article describes a set of materials and a brief description of a technique that may be used to introduce concepts of color and visible absorption to students. Because everyday food items are used, the activity may be presented to high school ...
  Abstract | PDF w/ Links | Hi-Res PDF
The Quantitative Determination of Food Dyes in Powdered Drink Mixes. A High School or General Science ExperimentJournal of Chemical Education
- The Quantitative Determination of Food Dyes in Powdered Drink Mixes. A High School or General Science Experiment
  Samuella B. Sigmann and Dale E. Wheeler
  Journal of Chemical Education 2004 81 (10), p 1475
  Abstract:
  A simple spectrophotometric procedure for the quantitative determination of FDandC food dyes in powdered drink mixes appropriate for high school or general science classes is presented. This method describes the determination of the total quantity of food ...
  Abstract | PDF w/ Links | Hi-Res PDF
Similar Articles about the Absorbance of Colored DrinksJournal of Chemical Education
- Similar Articles about the Absorbance of Colored Drinks
  Dale E. Wheeler and Samuella B. Sigmann
  Journal of Chemical Education 2008 85 (9), p 1194
  Abstract: Two recent Journal articles are very similar in their reported findings; the second of these appears to present no new findings and is missing important concepts needed for the stated conclusions.
  Abstract | PDF w/ Links | Hi-Res PDF

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Letter

Reply to Similar Articles about the Absorbance of Colored Drinks

Abstract

Keywords (Audience):

Keywords (Domain):

Keywords (Feature):

Keywords (Subject):

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History

Recommend & Share

Related Content

Using Visible Absorption To Analyze Solutions of Kool-Aid and Candy

The Quantitative Determination of Food Dyes in Powdered Drink Mixes. A High School or General Science Experiment

Similar Articles about the Absorbance of Colored Drinks

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