Reference Source

Purospher RP-18 · Sigma-Aldrich / Merck

For Purospher RP-18 · Sigma-Aldrich / Merck, original column's brand is Sigma-Aldrich / Merck; original column name is Purospher RP-18; gl sciences alternative is Inertsil ODS-2; bonded phase is C18; waters closest selectivity column is CORTECS C18+, recorded from its source on 2026-09-01.

Original column's brand
Sigma-Aldrich / Merck our reading
Original column name
Purospher RP-18 verified
GL Sciences alternative
Inertsil ODS-2 verified
Bonded phase
C18 verified
Waters closest selectivity column
CORTECS C18+ verified
Waters recommended UPLC column
ACQUITY UPLC HSS C18 SB verified
Waters recommended HPLC column
XSelect HSS C18 SB XSelect HSS C18 SB XP verified
Waters recommended preparative column
XBridge BEH Shield RP18 OBD verified
Sourceglsciencesinc.com
Verified
Review by
DatasetHPLC column equivalents to other manufacturers' columns

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Purospher RP-18 | – | Inertsil ODS-2 View App Notes |

glsciencesinc.com, retrieved 2026-09-01

Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

Original column's brand

Sigma-Aldrich / Merck 68 equivalents

— from glsciencesinc.com, retrieved 2026-09-01

Bonded phase, Waters closest selectivity column, Waters recommended UPLC column, Waters recommended HPLC column and Waters recommended preparative column

Purospher RP-18 | C18 | CORTECS C18+ | ACQUITY UPLC HSS C18 SB | XSelect HSS C18 SB XSelect HSS C18 SB XP | XBridge BEH Shield RP18 OBD |

— from waters.com, retrieved 2026-09-01

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.