The quality of sample preparation is a key factor in determining the success of analysis.
While analysis of pharmaceutically important compounds in biological matrixes has driven …

Solid-phase extraction nowadays is a major sample preparation tool. The latest
development in this area is the introduction of particle-loaded membranes (membrane …

The experimental factors which establish the breakthrough volume in solid-phase extraction
áre interpreted using a theoretical modelproposed by Lovkvist and Jonsson. For …

Abstract Lamotrigine (LG), phenytoin (PY), carbamazepine (CM), and carbamazepine
epoxide (CE) are measured with an optimized procedure that uses thin sorbent extraction …

A new and efficient procedure for the clean-up of tetracycline residues in animal tissues and
egg prior to reversed-phase high-performance liquid chromatography is described. The …

The anticonvulsant drug gabapentin and its heptaneacetic acid analog—used here as an
internal standard—are isolated from serum (pH 9) with an octyldecyl (C-18) solid-phase …

Extracted from the Drug Abuse Handbook, 2nd edition, to give you just the information you
need at an affordable price. Postmortem Toxicology of Abused Drugs considers the role of …

Planar chromatography with forced-flow development Is used to characterize the kineticand
some thermodynamic properties of octadecylsllanlzed silica particle-loaded membranes …

Residue methods were developed for the quantitation of spinosad and metabolites in leafy
vegetables, peppers, and tomatoes. The compounds were extracted with a solution of …

The experimental conditions are optimized for the recovery of a test mixture of neutral semi-
volatile analytes on a cartridge and particle-loaded membrane (disk) device used for solid …