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A Note On the Chromotropic Acid Reagent for 2,4–D Analysis

Published online by Cambridge University Press:  12 June 2017

V. H. Freed  and
S. C. Traegde
V. H. Freed
Affiliation:
Agricultural Chemistry Department, Agri. Exp. Sta., Oregon State College, Corvallis, Oregon
S. C. Traegde
Affiliation:
Agricultural Chemistry Department, Agri. Exp. Sta., Oregon State College, Corvallis, Oregon
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Extract

One of the more common methods of analysis for 2,4–dichlorophenoxyacetic acid (2,4,–D) is the one using chromotropic acid as the color developing reagent (1). In this laboratory it was found that it was difficult to obtain relatively pure chromotropic acid or its disodium salt. As an approach to the preparation of a purer compound, several experiments were tried.

Type
Brief Papers
Information
Weeds , Volume 6 , Issue 2 , April 1958 , pp. 211 - 212
Copyright
Copyright © 1958 Weed Science Society of America 

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References

Literature Cited

1. Le Tourneau, D., and Krog, N. The use of chromotropic acid for the quantitative determination of 2,4–D. Plant Phys. 27:822–827. 1952.Google Scholar