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  • Title: Solid-phase extraction of carbofuran, atrazine, simazine, alachlor, and cyanazine from shallow well water.
    Author: Nash RG.
    Journal: J Assoc Off Anal Chem; 1990; 73(3):438-42. PubMed ID: 2376549.
    Abstract:
    Extraction of several nitrogen-containing pesticides from water on solid-phase C18 cartridges was rapid and accurate. One analyst can extract greater than 48 samples/day. Recovery efficiencies were 77, 95, 92, 90, and 99% with detection limits of 0.20, 0.05, 0.05, 0.20, and 0.10 micrograms/L for carbofuran, atrazine, simazine, alachlor, and, cyanazine, respectively. Extraction of the atrazine and simazine dealkylation products (deethylatrazine and deethylsimazine) was less efficient, e.g., 26 and 9%, respectively. Comparisons with 10 U.S. Geological Survey samples gave similar results.
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