WorksheetsThin Layer Chromatography
Total questions: 7
Worksheet time: 2mins
Which parameter below is used for analyte identification in TLC?
retention volume
retention time
retardation factor
eluent distance
The following can be done to solve issues with tailing spot, EXCEPT....
reducing sample loading
heating silica plate before use
spraying with a suitable reagent
adding a modifier to the mobile phase
The following parameter can tell how well two adjacent peaks are separated
Efficiency
Capacity
Resolution
Selectivity
The advantage of LiChrosphere (spherical silica particles) over amorphous silica is.......
Cheaper price
Smaller size distribution
Bigger particles
Smaller particles
Which of the following system has the thickest layer of stationary phase?
Ultra TLC
HP TLC
Preparative TLC
TLC-MS
The advantage of centrifugal TLC over preparative TLC is .......
Simpler collection of target compound
Adjustable thickness of silica
No need for a pumping system
No need for a rotor
The advantage of TLC-MS is .................
Can detect a wide range of analytes
The instrument is sophisticated
The cost of instrument is high
The operation is simple
