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Merck

Nitrosamines

Nitrosamines suitable for GC, application for SPME

Matériaux

Fibre SPME

Réf. du produit
Description
Tarif

Unité de fibres SPME, Polydiméthylsiloxane/divinylbenzène (PDMS/DVB)

df 65 μm(PDMS/DVB, needle size 24 ga, for use with manual holder

CONDITIONS

sample/matrix

analytes in water +25% KCl, pH 10.0

SPME fiber

65 μm polydimethylsiloxane/divinylbenzene (57310-U)

extraction

immersion, 15 min (rapid stirring)

desorption process

270 °C for 1 min

column

PTA-5, 30 m × 0.32 mm I.D., 0.5 μm (24331)

oven

50 °C (1 min), 10 °C/min to 250 °C (2 min)

inj. temp.

250 °C

detector

MSD, SIM

carrier gas

helium, 30 cm/sec

liner

0.75 mm I.D., SPME