SYMPOSIA PAPER Published: 01 January 1996

Test Methods for Emulsifiable Concentrates


Emulsifiable concentrates are one of the older forms of pesticide formulation. They basically consist of the pesticide active ingredient, carefully chosen surfactants, and if needed a solvent. The ingredients are chosen so that when the mixture is added to water an emulsion is formed spontaneously. A number of standard test methods have been developed for evaluating their properties. Both ASTM and CIPAC have issued standard test methods for a variety of emulsifiable concentrate properties. for example, both organizations have methods for the bloom or dispersion and stability of the resulting emulsion. Methods for a number of other properties which are not as specific to ECs also exist.

Author Information

Becher, DZ
Ceregen, a Unit of Monsanto Company, St. Louis, MO
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Developed by Committee: E35
Pages: 51–56
DOI: 10.1520/STP11339S
ISBN-EB: 978-0-8031-5346-2
ISBN-13: 978-0-8031-2035-8