MODULE 6

Question 1

Separation of components of samples in solution through their selective interaction with and retention by a solid, particulate sorbent.

Answer 1

SOLID PHASE EXTRACTION

Question 2

The cartridge is flushed through with sample solvent to remove impurities and to ensure that the sample solution will properly wet the surface
of the sorbent particles.

Answer 2

SORBENT CONDITIONING

Question 3

The sample solution is passed through the cartridge with the object of either retaining the analytes of interest whilst matrix component pass through or retaining the matrix components whilst analytes pass through.

Answer 3

SAMPLE LOADING OR RETENTION

Question 4

Remove all components not retained by the
sorbent during the retention step which may
remain trapped in the interstitial solvent.

Answer 4

RINSING

Question 5

Final step to recover retained analytes

Answer 5

ELUTION

Question 6

Important variation of SPE, known as

Answer 6

SOLID PHASE MICROEXTRACTION