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Reversed Phase HPLC Columns - ODS (C18)

Reversed phase HPLC has a non-polar stationary phase and an aqueous, moderately polar mobile phase. With these stationary phases, retention time is longer for molecules which are more non-polar, while polar molecules elute more readily. Octadecylsilane (ODS), C18, is the most popular reversed phase technique used today.

Go to other reversed phase columns.

C18 Columns
BA Promosil C18
BA Unisol C18
BA Venusil XBP (highest hydrophobicity)
BA Venusil XBP-2 (balanced)
BA Venusil XBP-L (larger pore size 150A)
Dikma Endeavorsil C18
Dikma Inspire C18
Dikma Leapsil C18
Dikma Spursil C18
Dikma Spursil C18-EP

C18 Columns - high pH / wide pH range
Chromenta EP-C18

C18 Columns - low pH
BA Venusil ASB (low pH tolerance)
Nacalai COSMOSIL C18-AR-II (low pH)

C18 Columns - 100% aqueous compatible
BA Venusil AQ (for 100% water)

C18 Columns - wide pores
Dikma Bio-Bond C18
Nacalai COSMOSIL C18-AR-300 (low pH)

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