The efficiency of extraction of low levels of picloram from field treated soil using aqueous systems is dependent on the pH during extraction. Data from laboratory experiments and residue analyses on soil from a field experiment have been used to demonstrate this effect. Saturated calcium hydroxide solutions (pH 12.4) were effective for the extraction of field weathered residues of picloram.
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McKone, C.E., Cotterill, E.G. Extraction of picloram residues from a sandy loam soil. Bull. Environ. Contam. Toxicol. 11, 233–237 (1974). https://doi.org/10.1007/BF01685098
- Waste Water
- Water Management
- Water Pollution