. Stop-flow injection is an injection method whereby the flow is stopped and the sample is injected at the head of the column
e. Pellicular packing is a type of packing used in liquid chromatography. These are nonporous spherical particles of 30-50 mm diameters
f. Extra-column band broadening occur due to following reasons:
1. Incompatible fittings
2. Tubing length and diameters
3. Detector cell volume
4. Sample volume
g. Reversed-phase packing material is the packing which has a non polar bonded stationary phase in the range from C1-C18
h. Normal phase packing material is the packing which has a polar group terminated stationary phase (like ~OH, NH2, CN, etc)