Cocaine in urine
Materiales
Fibra para SPME
Referencia del producto
Descripción
Precios
Filtro SPME Polidimetilsiloxano (PDMS)
100 μm PDMS, Fused Silica (1 cm), needle size 24 ga, Manual Holder, pk of 3, plain red hubcolumna analítica
Referencia del producto
Descripción
Precios
CONDITIONS
sample/matrix
0.5 mL urine (250 ng each analyte, 20 μL 2.5% NaF) in 1 mL vial
SPME fiber
polydimethylsiloxane, 100 μm (57300-U)
extraction
immersion, 30 min
desorption process
3 min, 240 °C
column
100% methyl polysiloxane, 30 m × 0.32 mm I.D., 0.25 μm (Supelco equivalent, Equity-1, 28055-U)
oven
120 °C to 280 °C at 10 °C/min
inj. temp.
splitless (splitter opened after 1 min), 240 °C
detector
NPD, 280 °C
carrier gas
helium, 3 mL/min