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GC Analysis of Parabens on SLB®-5ms after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

GC Analysis of Parabens on SLB®-5ms after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber suitable for GC, application for SPME

Materiali

Fibra per SPME

N° Catalogo
Descrizione
Determinazione del prezzo

Gruppo in fibra SPME divinilbenzene/carbossene/polidimetilsilossano (DVB/CAR/PDMS)

for use with autosampler, needle size 23 ga, metal alloy fiber, fiber L 1 cm

CONDITIONS

sample/matrix

parabens, each at 200 ppb in 3 mL water + 25% sodium chloride in a 4 mL vial

SPME fiber

metal fiber assembly coated with 50/30 μm DVB/Carboxen/PDMS (57912-U)

extraction

immersion with stirring, 25 °C (15 min)

desorption process

260 °C, 2 min

column

SLB-5ms, 20 m × 0.18 mm I.D., 0.36 μm (28576-U)

oven

60 °C (2 min), 15 °C/min to 300 °C (5 min)

MSD interface

275 °C

scan range

m/z 40-450

carrier gas

helium, 0.7 mL/min constant

liner

0.75 mm I.D. SPME

Descrizione

Note legali

SLB is a registered trademark of Merck KGaA, Darmstadt, Germany