1.can u tel what is the composition of a capillary column(not the stationary phase)
2.in hplc colums c18 a single crbon 18 chain is attached to a single sillica molecule.
3.what is the structure of a sillica molecule.(full structure of sillica molecule in a hplc colums).
4.how base deactivation is done in hplc columns.(apart from trimethyl silane.
5.for which kind of moleculesgradient compodition is used.(apart from high molecular weight molecules).