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Merck

Composés volatils selon la méthode US EPA 524.2

Composés volatils selon la méthode US EPA 524.2 suitable for GC, application for SPME

Matériaux

Colonne analytique

Réf. du produit
Description
Tarif

24205-U

Colonne capillaire pour la GC VOCOL®

L × I.D. 30 m × 0.25 mm, df 1.50 μm

Fibre SPME

Réf. du produit
Description
Tarif

57318

Unité de fibres SPME, carboxène/polydiméthylsiloxane (CAR/PDMS)

df 75 μm(CAR/PDMS, for use with manual holder, needle size 24 ga

Étalon

Réf. du produit
Description
Tarif

47932

Mélange de COV pour EPA 524.2

200 μg/mL each component in methanol, analytical standard

CONDITIONS

sample/matrix

1 ppb each analyte in 3 mL water (25% NaCl added) in 4 mL vial

SPME fiber

Carboxen/PDMS, 75 μm (57318)

extraction

headspace, 40°C (20 min), with stirring

desorption process

5 min., 310 °C

column

VOCOL®, 30 m × 0.25 mm I.D., 1.5 μm (24205-U)

oven

40°C (2 min) to 210°C at 8°C/min

detector

ion trap, MS, m/z = 45-260 (0.6sec/scan)

carrier gas

helium, 35 cm/sec

injection

splitless/split (closed 2 min), 0.75 mm I.D. liner

Description

Informations légales

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

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Related Product Categories

HPLC ColumnsGC Columns & AccessoriesTLC Plates & AdsorbentsSolid Phase Microextraction (SPME)Solid Phase Extraction & QuEChERS

Related Applications

Small Molecule HPLCLarge Molecule HPLCGas Chromatography (GC)TLCSolid Phase Microextraction (SPME)Solid Phase Extraction (SPE)QuEChERS