HPLC Analysis of Carbamate and Urea Pesticides on SUPELCOSIL™ LC-8 after SPME using 60 μm PDMS/DVB Fiber
Materials
Analytical column
Product No.
Description
Pricing
SPME fiber
Product No.
Description
Pricing
SPME Fiber Assembly Polydimethylsiloxane/Divinylbenzene (PDMS/DVB)
df 60 μm(PDMS/DVB, for use with autosampler/HPLC, needle size 24 ga, StableFlex fiberCONDITIONS
sample/matrix
3 mL water containing 8ng/mL of each analyte in 10% NaCl
SPME fiber
PDMS/DVB, 60 μm (57317)
extraction
immersion, 40 min, rapid stirring
desorption process
static, 5 min in acetonitrile:water (65:35); dynamic, valve open during run
column
SUPELCOSIL LC-8, 15 cm × 4.6 mm I.D., 5 μm particles (58220-U)
mobile phase
[A] acetonitrile; [B] water
gradient
18:82 to 65:35 in 9 min, hold 3 min
flow rate
2.0 mL/min
column temp.
35 °C
detector
UV, 240 nm
Description
Legal Information
SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC