QC2.M4.Chromatography

It is a cylindrical glass or quartz tube constricted at one end with a stopcock or flow regulator used in chromatography

• Pipette

• Column

• Percolator

• Burette

(I) Planar chromatography is a separation technique in which the stationary phase is present as a plane.

(II) The plane can be a paper in PC or a plate in TLC.

• Only statement I is correct

• Only statement II is correct

• Both statements are correct

• Both statements are incorrect

A term which means “color writing”

• Refractometry

• Polarography

• Spectrometry

• Chromatography

HPLC system component needed to saturate the mobile phase and retard dissolution:

• Analytical column

• Guard column

• Injector port

• Integrator

The most widely used chromatographic method in drug analysis is:

• HPLC

• TLC

• PC

• GC

Type of HPLC used for the comparison of low MW heparins:

• Size exclusion HPLC

• Reversed phase HPLC

• Normal HPLC

• Ion exchange HPLC

The following are objectives of chromatography, EXCEPT:

• Resolution of mixtures into constituent parts

• Identification and control of technical data

• Concentration of substances from dilute solutions

• Indication of molecular weight

Adsorbent used in TLC

• Potassium chloride

• MgSO4

• Silica gel

• Alum

HPLC system component needed to force the mobile phase through the column:

• Precolumn

• Solvent reservoir

• Detector

• Pump

Gas chromatography is used in:

• Test water pollution

• RNA fingerprinting

• In forensics to analyze dye composition of fibers

• Bomb detection in airports