794-0399

GC Analysis of a 20-Component Organochlorine Pesticide Mix in Water on a 5% Phenyl Column after SPE using Supelclean^™ ENVI^™-8

suitable for GC, application for SPE

• Synonym(s): Chlorinated pesticides in hazardous waste

Properties

• technique(s): gas chromatography (GC): suitable; solid phase extraction (SPE): suitable
• test parameters: sample preparation: SPE (Solid Phase Extraction); sample/matrix: waste water spiked with pesticides; SPE tube/cartridge: Supelclean ENVI-8, glass hardware, 500 mg/6 mL (57107 (500 mg/6 mL); 57108 (1 g/6 mL)); condition: 3 mL methanol; h 2 mL 5% methanol in water; sample addition: load sample at 5 mL/min; drying: 2-3 min with nitrogen stream; elution: 2 x 4 mL hexane:acetone (90:10), drop wise. allow to soak into bed; column: 5% Phenyl Polysiloxane, 15 m × 0.53 mm I.D., 0.50 μm (Supelco equivalent, Equity-5, 28252-U); oven: 150 °C (0.5 min) to 275 °C (5 min); inj. temp.: 200 °C; detector: ECD, 300 °C; carrier gas: helium; injection: 1 μL split/splitless (45 sec delay)
• suitability: application for SPE
• application(s): environmental; food and beverages

Description

Application

Sample Pre-treatment:
Add 5 mL methanol to 100 mL aqueous hazardous waste. Adjust to pH 5-7 if necessary.

Legal Information

ENVI is a trademark of Sigma-Aldrich Co. LLC

Supelclean is a trademark of Sigma-Aldrich Co. LLC

Analyte

Aldrin
Endrin
γ-BHC, certified reference material, 1000 μg/mL in methanol
Endosulfan sulfate
Methoxychlor
α-BHC
4,4′-DDD, PESTANAL^®, analytical standard
γ-Chlordane
Decachlorobiphenyl
Heptachlor
4,4′-DDT
Endrin aldehyde
1,1-Dichloro-2,2-bis(4-chlorophenyl)ethene
Lindane
Endrin ketone
β-BHC
Heptachlor epoxide, PESTANAL^®, analytical standard, isomer B
δ-BHC
Dieldrin
α-Chlordane
See All (20)