749-0798

Semivolatiles dans l′eau

suitable for GC, application for SPE

Propriétés

• Technique(s): gas chromatography (GC): suitable; solid phase extraction (SPE): suitable
• Paramètres du test: sample preparation: SPE (Solid Phase Extraction); sample/matrix: acidified drinking water; SPE tube/cartridge: ENVI-18 DSK SPE Disk, 47 mm (57171); condition: 5 mL dichloromethane; 5 mL methanol; 5 mL DI water; sample addition: 5 mL water sample; elution: 2 x 5 mL acetonitrile rinsing internal chamber of sample reservoir thoroughly; column: 5% phenyl polysiloxane, 30 m × 0.25 mm I.D., 0.25 μm (Supelco equivalent, SLB-5ms, 28471-U); oven: 40 °C to 160 °C (3 min), then to 300 °C (3 min) at 6 °C/min; detector: MS, scan range m/z = 45-450; carrier gas: helium, 33 cm/sec; injection: 1 μL split/splitless, 1 min delay
• Adéquation: application for SPE
• Application(s): environmental; food and beverages

Description

Application

Pré-traitement de l′échantillon :
Ajuster 1L d′eau potable à pH<2 avec de l′HCl 6N. Ajouter 5mL de MeOH et mélanger énergiquement

Conditionner le disque de SPE avec 5mL de dichlorométhane (pousser DCM complètement à travers le disque) et ajouter 5mL de MeOH
Equilibreravec 5mL d′H₂O DI
Charger l′échantillon d′eau, 100mL/min
Eluer avec 2 x 5mL de MeCN en rinçant avec précaussion la chambre interne du réservoir d′échantillon

Informations légales

ENVI is a trademark of Sigma-Aldrich Co. LLC

Analyte

2,2′,3′,4,6-Pentachlorobiphenyl
2-Chlorobiphenyl
Chrysene
2,2′,3,3′,4,4′,6-Heptachlorobiphenyl
Diethyl phthalate
Simazine
Hexachlorocyclopentadiene
2,3-Dichlorobiphenyl
Alachlor
α-Chlordane
Atrazine
Fluorene
Aldrin
2,2′,4,4′-Tetrachlorobiphenyl
Anthracene
Benzo[b]fluoranthene
Dibenz[a,h]anthracene
Hexachlorobenzene
γ-BHC, certified reference material, 1000 μg/mL in methanol
trans-Nonachlor
Benzo[k]fluoranthene
Pentachlorophenol
Perylene-d₁₂
Acenaphthylene
2,2′,3,3′,4,5′,6,6′-Octachlorobiphenyl
Heptachlor
Di-n-butyl phthalate, analytical standard, ampule of 5000 mg
Methoxychlor
Benzo[a]pyrene
Dimethyl phthalate
2,4′,5-Trichlorobiphenyl
Heptachlor epoxide, PESTANAL^®, analytical standard, isomer B
γ-Chlordane
Acenaphthene-d₁₀
Pyrene
2,2′,4,4′,5,6′-Hexachlorobiphenyl
Indeno[1,2,3-cd]pyrene
Endrin
Phenanthrene
Benz[a]anthracene
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