What are possible interaction between stationary phase & solute in RPLC?

What are possible interaction between stationary phase & solute in RPLC?
Hydrophobic/non-polar Interaction
Hydrogen Bonding Interaction
π-π Interaction
Steric Selectivity
Dipole-Dipole Interaction
Ion Exchange Interaction

[@sriramkishore5779]

Hi sir, insightful and In-depth explanation of molecule interaction. Really thank you for your efforts for the making the concepts easy learning.

[@aishaazadkhan5717]

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[@vallurisaradhi07]

Respected sir plz tell me formula for calculating the recovery from spike sample in the method accuracy and precision

[@Ashok_pp]

Thanq sir

[@nandinidhamanaskar5844]

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[@surenderchilka8445]

Bhasker Napte sir..