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  • [Simultaneous determination of N-methylcarbamate pesticides and their metabolites in agricultural products].

[Simultaneous determination of N-methylcarbamate pesticides and their metabolites in agricultural products].

Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan (2002-09-20)
Maki Kobayashi, Toshihiro Nagayama, Ichiro Takano, Yasuhiro Tamura, Naoko Kimura, Kyoko Kitayama, Kazuo Saito
ABSTRACT

We investigated the determination of N-methylcarbamate pesticides and their metabolites in agricultural products by HPLC with post-column fluorescence detection after clean-up with an SPE cartridge. The homogenate of agricultural products was extracted with acetone. The crude extract was partitioned between 5% sodium chloride solution and dichloromethane, and the dichloromethane layer was concentrated to dryness. The residue was dissolved with a mixture of acetone and n-hexane, and purified by using Supelclean ENVI-Carb SPE, Bond Elut Extraction Cartridge PSA and SAX in series with a mixture of acetone and n-hexane. N-Methylcarbamate pesticide was analyzed by HPLC with post-column reaction and fluoresce detection. N-Methylcarbamate pesticide in citrus fruits and various kinds of agricultural products could be analyzed accurately by the presented method. Recoveries of N-methylcarbamate pesticides added to several agricultural products at the level of 0.10 ppm were mostly in the range of 60-110%. The limit of detection was 0.005 ppm.

MATERIALS
Product Number
Brand
Product Description

Supelco
Supel QuE, PSA/C18/ENVI-Carb Tube, pack of 100, AOAC® 2007.01
Sign Into View Organizational & Contract Pricing
SKUVendor SKUPack SizeAvailabilityPriceQuantity
EN300-1588926-100MG100 mg
Ships in 14 days - from Aldrich Partner.
€185.40
EN300-1588926-250MG250 mg
Ships in 14 days - from Aldrich Partner.
€245.20
EN300-1588926-500MG500 mg
Ships in 14 days - from Aldrich Partner.
€429.80
EN300-1588926-1G1 g
Ships in 14 days - from Aldrich Partner.
€557.20
EN300-1588926-2.5G2.5 g
Ships in 14 days - from Aldrich Partner.
€1,047.30
EN300-1588926-5G5 g
Ships in 14 days - from Aldrich Partner.
€1,529.60
Supelco
Supel QuE, PSA/ENVI-Carb (EN) Cleanup Tube 1, pack of 100, suitable for EN 15662:2008 per BS
Sign Into View Organizational & Contract Pricing
SKUVendor SKUPack SizeAvailabilityPriceQuantity
EN300-1588926-100MG100 mg
Ships in 14 days - from Aldrich Partner.
€185.40
EN300-1588926-250MG250 mg
Ships in 14 days - from Aldrich Partner.
€245.20
EN300-1588926-500MG500 mg
Ships in 14 days - from Aldrich Partner.
€429.80
EN300-1588926-1G1 g
Ships in 14 days - from Aldrich Partner.
€557.20
EN300-1588926-2.5G2.5 g
Ships in 14 days - from Aldrich Partner.
€1,047.30
EN300-1588926-5G5 g
Ships in 14 days - from Aldrich Partner.
€1,529.60
Supelco
Supel QuE, PSA/ENVI-Carb (EN) Cleanup Tube 2, pack of 100, suitable for EN 15662:2008 per BS
Sign Into View Organizational & Contract Pricing
SKUVendor SKUPack SizeAvailabilityPriceQuantity
EN300-1588926-100MG100 mg
Ships in 14 days - from Aldrich Partner.
€185.40
EN300-1588926-250MG250 mg
Ships in 14 days - from Aldrich Partner.
€245.20
EN300-1588926-500MG500 mg
Ships in 14 days - from Aldrich Partner.
€429.80
EN300-1588926-1G1 g
Ships in 14 days - from Aldrich Partner.
€557.20
EN300-1588926-2.5G2.5 g
Ships in 14 days - from Aldrich Partner.
€1,047.30
EN300-1588926-5G5 g
Ships in 14 days - from Aldrich Partner.
€1,529.60
Supelco
Supel QuE, PSA/ENVI-Carb Tube 1, pk of 50, suitable for EN 15662:2008 per BS, centrifuge tube volume 15 mL , Shaker Compatible
Sign Into View Organizational & Contract Pricing
SKUVendor SKUPack SizeAvailabilityPriceQuantity
EN300-1588926-100MG100 mg
Ships in 14 days - from Aldrich Partner.
€185.40
EN300-1588926-250MG250 mg
Ships in 14 days - from Aldrich Partner.
€245.20
EN300-1588926-500MG500 mg
Ships in 14 days - from Aldrich Partner.
€429.80
EN300-1588926-1G1 g
Ships in 14 days - from Aldrich Partner.
€557.20
EN300-1588926-2.5G2.5 g
Ships in 14 days - from Aldrich Partner.
€1,047.30
EN300-1588926-5G5 g
Ships in 14 days - from Aldrich Partner.
€1,529.60
Supelco
Supel QuE, PSA/ENVI-Carb Tube 2, pk of 50, suitable for EN 15662:2008 per BS, centrifuge tube volume 15 mL , Shaker Compatible
Sign Into View Organizational & Contract Pricing
SKUVendor SKUPack SizeAvailabilityPriceQuantity
EN300-1588926-100MG100 mg
Ships in 14 days - from Aldrich Partner.
€185.40
EN300-1588926-250MG250 mg
Ships in 14 days - from Aldrich Partner.
€245.20
EN300-1588926-500MG500 mg
Ships in 14 days - from Aldrich Partner.
€429.80
EN300-1588926-1G1 g
Ships in 14 days - from Aldrich Partner.
€557.20
EN300-1588926-2.5G2.5 g
Ships in 14 days - from Aldrich Partner.
€1,047.30
EN300-1588926-5G5 g
Ships in 14 days - from Aldrich Partner.
€1,529.60