Gas chromatographic determination of propamocarb in agricultural commodities
1996
Nagayama, T. | Kobayashi, M. | Shioda, H. | Tomomatsu, T.
A simple and efficient gas chromatographic (GC) method is described for quantitative determination of propamocarb in agricultural commodities. Propamocarb is extracted into acetone-water (or acidified solvent for dry products) and then cleaned up by extraction with diethyl ether. The analyte is extracted from the aqueous fraction under basic conditions with diethyl ether and then analyzed by GC with nitrogen-phosphorus detection. The minimum detection limit is 0.01 micrograms/g in original samples (signal-to-noise ratio > 5). Recovery of propamocarb spiked at 0.1 micrograms/g into various samples is >75%, except for lettuce (41%).
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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