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  • Solid-phase microextraction-gas chromatographic-mass spectrometric method for the determination of the fungicides cyprodinil and fludioxonil in white wines.

Solid-phase microextraction-gas chromatographic-mass spectrometric method for the determination of the fungicides cyprodinil and fludioxonil in white wines.

Journal of chromatography. A (2002-02-02)
Otero R Rial, Ruiz C Yagüe, Grande B Cancho, Gándara J Simal
ABSTRACT

A solid-phase microextraction (SPME) followed by a gas chromatographic-mass spectrometric (GC-MS) determination has been developed and validated for the determination of cyprodinil and fludioxonil in white wine samples. Extraction parameters such as the selection of SPME coating, the effect of the temperature, the effect of the headspace volume and the salt addition were studied and optimized, together with GC-MS analytical conditions. The divinylbenzene-Carboxen-polydimethylsiloxane (DVB-CAR-PDMS) fiber was the most appropriate for the determination of the two pesticides in wine. The quality parameters of the proposed method demonstrated a good precision (RSD about 5%), with detection limits of 0.1 and 0.2 microg/l for cyprodinil and fludioxonil, respectively. Fifteen commercial white wine samples produced in Rías Baixas area in Galicia (N.W. Spain) were analyzed with the SPME-GC-MS procedure. Some of the commercial wines (75%) presented the two pesticides in concentrations ranging from 0.9 to 28.6 microg/l. In conclusion, SPME-GC-MS has a great potential for fungicide determination in wines.

MATERIALS
Product Number
Brand
Product Description

Supelco
SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), needle size 24 ga, StableFlex
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), needle size 24 ga, StableFlex, for use with autosampler
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 75 μm(CAR/PDMS, for use with manual holder, needle size 24 ga
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 75 μm(CAR/PDMS, needle size 23 ga, for use with autosampler
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 85 μm(CAR/PDMS, needle size 24 ga, StableFlex, for use with autosampler
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 1000, 40-60 mesh, bottle of 50 g
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), needle size 24 ga, for use with manual holder
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 85 μm(CAR/PDMS, needle size 23 ga, StableFlex, for use with autosampler
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), needle size 23 ga, StableFlex, for use with autosampler
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), needle size 23 ga, StableFlex, for use with manual holder or autosampler, fiber L 2 cm
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen®-1006 PLOT Capillary GC Column, L × I.D. 30 m × 0.32 mm, average thickness 15 μm
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 564, 20-45 mesh, pack of 144 × 290 mg
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen®-1010 PLOT Capillary GC Column, L × I.D. 30 m × 0.32 mm, average thickness 15 μm
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 75 μm(CAR/PDMS, needle size 24 ga, for use with autosampler
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 85 μm(CAR/PDMS, needle size 24 ga, for use with manual holder, StableFlex fiber
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 75 μm(CAR/PDMS, needle size 23 ga, for use with manual holder
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 564, 20-45 mesh, bottle of 10 g
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 1003, 40-60 mesh, bottle of 10 g
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 1000, 60-80 mesh, bottle of 10 g
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen®-1010 PLOT Capillary GC Column, L × I.D. 30 m × 0.53 mm, average thickness 30 μm
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 563, 20-45 mesh, bottle of 10 g
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen®-1006 PLOT Capillary GC Column, L × I.D. 30 m × 0.53 mm, average thickness 30 μm
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 569, 20-45 mesh, bottle of 10 g
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), for use with autosampler, needle size 23 ga, metal alloy fiber, fiber L 2 cm
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS), df 85 μm(CAR/PDMS, for use with autosampler, needle size 23 ga, metal alloy fiber
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS), for use with autosampler, needle size 23 ga, metal alloy fiber, fiber L 1 cm
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 569, 20-45 mesh, bottle of 500 g
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® 1000 Reversible SPE Tube, 200 mg/mL, pk 30
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
ORBO-93 Sorbent Tube, ORBO tube I.D. × L 6 mm × 95 mm, Bed A 180 mg, Bed B 90 mg, 60/80 mesh, pkg of 25 ea
Pricing and Inventory is not available. Please check the Millipore website for more information.
Supelco
Carboxen® Adsorbent, matrix Carboxen® 572, 20-45 mesh, bottle of 10 g
Pricing and Inventory is not available. Please check the Millipore website for more information.