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Abstract
Sensitive low temperature phosphorimetric methods for the determination of the pesticides Alachlor, Anilazine, Bromoxynil, and Dichlobenil in EPA solvent have been developed. The minimum detectable amounts are 0.08, 0.006, 0.2, and 0.006 p.p.m. for Alachlor, Anilazine, Bromoxynil, and Dichlobenil respectively. The ranges in linearity of the analytical calibration graphs are 0.01–5, 0.2–7.5, and 0.03–20 p.p.m. for Anilazine, Bromoxynil, and Dichlobenil respectively. The analytical calibration graph for Alachlor is linear from 0.3 to 10 p.p.m. and with a different slope, linear from 10 to 50 p.p.m. The procedure for Alachlor has been applied to the analys of a solid commercial formulation.