GC Analysis of Organophosphorus Pesticides (OP-Pest) on SLB®-5ms after SPME using 60 μm Carbowax® Fiber
Materiales
Fibra para SPME
Referencia del producto
Descripción
Precios
SPME fiber assembly, Carbowax-Polyethylene Glycol (PEG) Coating
needle size 23 ga, df 60 μm(PEG, for use with autosamplercolumna analítica
Referencia del producto
Descripción
Precios
CONDITIONS
sample/matrix
Organophosphate pesticides at 10ppb in 0.2M phasphate buffer, pH 7, with 25% NaCl, 9mL in 10 mL vial
SPME fiber
60 μm Carbowax(PEG) (57354-U)
extraction
30 min. direct immersion with agitation using CombiPal autosampler
desorption process
2 min at 250°C, splitless for 0.75 min then opened
column
SLB-5ms 30 m x 0.25mm I.D., 0.5 μm film
oven
60°C(1 min) to 215°C @ 20°C/min to 290°C @ 6°C/min (1 min)
inj. temp.
Splitless/split with 0.75mm ID liner and Merlin Microseal
detector
ITMS m/z=50-326 @ 0.6 μsec per scan, transfer line 310°C
carrier gas
Helium, 1mL/min constant flow
Descripción
Información legal
Carbowax is a registered trademark of Union Carbide
SPB is a registered trademark of Merck KGaA, Darmstadt, Germany