Cocaine in urine
Materiales
Producto relacionado
Referencia del producto
Descripción
Precios
used together
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, red hubCONDITIONS
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