Relative Volatilities of Ester and Amine Forms of 2,4-D
- 1 January 1976
- journal article
- research article
- Published by Cambridge University Press (CUP) in Weed Science
- Vol. 24 (1) , 26-28
- https://doi.org/10.1017/s0043174500065358
Abstract
The relative volatilities of various technical and formulated ester and amine salts of 2,4-D [(2,4-dichlorophenoxy)acetic acid] were determined in a closed air-flow system consisting of a volatilization chamber and an ethylene glycol trap. The system was operated at a flow rate of 28.8 L/hr and a temperature of 30 C. Trapped herbicide vapor was analyzed by gas chromatography. The relative volatilities of technical gradeiso-propyl, butyl, propylene glycol butyl ether, andiso-octyl esters, were 56, 25 to 38, 4, and 1, respectively. The relative volatilities of various formulated esters and amines were of the magnitude of 440:33:1 for the high volatile, low volatile, and amine salts, respectively.Keywords
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