Pesticides organophosphorés
Matériaux
Colonne analytique
Réf. du produit
Description
Tarif
Fibre SPME
Réf. du produit
Description
Tarif
Fibres SPME polydiméthylsiloxane (PDMS)
100 μm PDMS, Fused Silica (1 cm), needle size 24 ga, Manual Holder, pk of 3, plain red hubCONDITIONS
sample/matrix
50 ppb each in 1.5 mL saturated salt water, pH 7.2
SPME fiber
polydimethylsiloxane, 100 μm (57300-U)
extraction
20 min immersion with rapid stirring
column
5% phenyl polysiloxane, 30 m × 0.25 mm I.D., 0.25 μm (Supelco equivalent, SLB-5ms, 28471-U)
oven
60 °C (1 min) to 300 °C at 12 °C/min, hold 5 min
inj. temp.
splitless (0.75 mm I.D. liner), 270 °C
detector
MS (m/z = 45-400, 0.6sec/scan)
carrier gas
helium, 30 cm/sec