1966
DOI: 10.2307/4040953
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The Determination of Picloram Residues in Soil Using Gas Chromotography

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Cited by 42 publications
(28 citation statements)
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“…Once the best fit was established for the doseresponse line, bioassay response was compared to estimates by GLC. Picloram was detected by GLC as previously described (Merkle et al, 1966) utilizing Barber-Coleman 5360 pesticide analyser. * Standard curves were constructed with each crop in 500 g river sand or sandy clay loam in two other experiments.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Once the best fit was established for the doseresponse line, bioassay response was compared to estimates by GLC. Picloram was detected by GLC as previously described (Merkle et al, 1966) utilizing Barber-Coleman 5360 pesticide analyser. * Standard curves were constructed with each crop in 500 g river sand or sandy clay loam in two other experiments.…”
Section: Methodsmentioning
confidence: 99%
“…Methods for determining picloram by electron-capture, gas-liquid chromatography (GLC) were published in 1966 (Merkle, Bovey & Hall, 1966;Saha & Gadallah, 1966). Extraction of the free acid and formation of the methyl ester with boron trifluoride-methanol reagent renders the compound detectable.…”
Section: Introductionmentioning
confidence: 99%
“…La presence de residus de piclorame dans Ies sols, Ies pailles ou dans les melanges terreux a jusqu'^ present ete recherchee de deux manieres difFerentes: par tests biologiques (Leasure, 1964;Vall6e et al, 1975a), et par chromatographie en phase gazeuse (Merkle et al, 1966;Leahy & Taylor, 1967;Bjerke, Kutschinski & Ramsey, 1967). Ces deux methodes maintenant bien connues apportent de precieuses indications.…”
Section: Introductitmunclassified
“…Picloram was readily degraded in clear water by ultraviolet light (Hall, Giam & Merkle, 1968). However, degradation from a soil surface by sunlight was considerably slower than when the herbicide was in aqueous solution {Merkle, Bovey & Hall, 1966).…”
Section: Introductionmentioning
confidence: 99%