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Merck

85-438

HPLC Analysis of Nonvolatile Pesticides in Water on SUPELCOSIL LC-18-DB after SPE using Supelclean ENVI-Carb

application for SPE, application for HPLC

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About This Item

技術

HPLC: suitable
solid phase extraction (SPE): suitable

測試參數

sample preparation: SPE (Solid Phase Extraction)
sample/matrix: water spiked with pesticides at 10-50 μg/L
SPE tube/cartridge: Supelclean ENVI-Carb, 250 mg/3 mL (57088)
condition: 5 mL methylene chloride:methanol (80:20); 1 mL methanol; 10 mL 2% acetic acid in water (keep bed moist until sample addition)
sample addition: 100 mL sample at 5 mL/min
drying: 1 minute with vacuum
elution: 0.8 mL methanol; 2 x 35 mL methylene chloride:methanol (80:20)
eluate post-treatment: dry eluate to 500 μL under gentle nitrogen stream, reconstitute to 1 mL with methanol
column: SUPELCOSIL LC-18-DB, 25 cm × 4.6 mm I.D., 5 μm particles (58355-U)
mobile phase: [A] water:acetonitrile (90:10), [B] acetonitrile; gradient 80% A for 5 min then to 30% A over 30 min
flow rate: 1.5 mL/min
detector: UV, 220 nm
injection: 20 μL

適合性

application for HPLC
application for SPE

應用

environmental

法律資訊

ENVI-Carb is a trademark of Sigma-Aldrich Co. LLC
SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC
Supelclean is a trademark of Sigma-Aldrich Co. LLC

分析物

说明

    Monuron
    Propachlor
    Linuron
    Aldicarb
    N-(1-Naphthyl)thiourea
    Carbofuran
    Cyanazine
    Metribuzin
    Atrazine
    Propham
    Methomyl
    Diuron
    1-Naphthyl-N-methylcarbamate
    Simazine
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