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Analysis of Emulsified Xylene in Water

Published online by Cambridge University Press:  12 June 2017

Peter A. Frank
Peter A. Frank*
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture
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Abstract

Emulsions of aromatic solvent or dimethylbenzene (xylene) are used to control submersed aquatic weeds in irrigation systems. A procedure was developed for analyzing the concentrations of xylene in irrigation water. Samples of xylene emulsions were collected in glass bottles containing tetrachloromethane (CCl4). Xylene and emulsifier were partitioned into the CCl4. After addition of sodium chloride (NaCl) to remove the emulsifier from the CCl4, aliquots of the CCl4 were analyzed for xylene content by gas chromatography. Extraction of xylene from the water was complete and quantities of xylene as small as 10 ng were readily detected.

Type
Research Article
Information
Weed Science , Volume 16 , Issue 4 , October 1968 , pp. 489 - 490
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

1. Agricultural Research Service. 1963. Chemical control of submersed waterweeds in western irrigation and drainage canals. ARS Bull. 34-57. 14 p.Google Scholar
2. Bartley, T. R. 1958. Physical and chemical properties indicative of good hydrocarbon solvents for aquatic weed control in irrigation systems. Proc. WWCC 16:34–39.Google Scholar
3. Mortimer, J. V. and Gent, P. L. 1963. Use of modified Bentone-34 for the gas chromatographic separation of aromatic hydrocarbons. Nature 197(4869): 789–790.Google Scholar