Abstract
A rapid and selective method is reported for the determination of carbaryl (1-naphthalenol methyl carbamate) and its hydrolysis product, 1-naphthol, using combined gas chromatography-fluorescence spectrometry (GC-FS). The title compounds were detected and quantified as 1-methoxynaphthalene (λ ex 282 nm, λ em 334 nm) after derivatisation with trimethyl anilinium hydroxide. The method has been demonstrated for the analysis of English apples and strawberries. The limit of detection for carbaryl by GC-FS was 0.14 mg kg −1.
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