Penicillins
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Matrix
Surface water
Analytes
Amoxicillin, Ampicillin, Penicillin G, Penicillin V, Oxacillin, Cloxacillin, Nafcillin, Dicloxacillin
SPE Cartridge
SiliaPrep C18 Plus
200 mg / 3 mL
SPE-R00830B-03G
Sample Pretreatment before Loading
Spike standards in 2 mL of water sample.
Conditionning
4 mL of Methanol
Equilibration
4 mL of Water
Loading
Pretreated sample
Washing
4 mL of 0.1 % Formic Acid in Water
Elution
2 x 2 mL of Acetonitrile
Further Treatment
Evaporation under Nitrogen, reconstitution with Water and quantification by LC/MS/MS.
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SiliaPrep SPE Cartridges, C18 (17%), 40 - 63 µm, 60 Å (SPE-R00230B)
SiliaPrep C18 (17%) is a strongly hydrophobic and non polar sorbent. It is very useful for the extraction of acidic / neutral / basic compounds from aqueous solutions, organic compounds from water and drugs & metabolites from fluids.