Manufacturer: SEPAX TechnologiesDistributed in India by Akira Analytical Solutions Pvt. Ltd.
Product family

HP Columns

SEPAX HP Columns support reversed-phase, normal-phase and mixed-mode chromatography for small molecules and compounds requiring varied selectivity. Use the searchable catalog table below to compare the listed phases, particle sizes, pore sizes, dimensions and catalog numbers, then confirm the final configuration against the intended method and instrument requirements.

Chromatography separation graphic
Catalog configurations

HP Columns specifications

Product phaseParticle size (µm)Pore size (Å)DimensionsCatalog number
HP-Silica51204 × 10 mm117005-4001C
HP-Silica51202 × 10 mm117005-2001C
HP-Silica31204 × 10 mm117003-4001C
HP-Silica31202 × 10 mm117003-2001C
HP-Silica56021.2 × 50 mm117065-21205
HP-Silica56021.2 × 250 mm117065-21225
HP-Silica51204.6 × 50 mm117005-4605
HP-Silica51204.6 × 30 mm117005-4603
HP-Silica51204.6 × 250 mm117005-4625
HP-Silica51204.6 × 150 mm117005-4615
HP-Silica51204.6 × 100 mm117005-4610
HP-Silica51207.8 × 250 mm117005-7825
HP-Silica51207.8 × 150 mm117005-7815
HP-Silica51204 × 10 mm117005-4001
HP-Silica512030 × 50 mm117005-30005
HP-Silica512030 × 250 mm117005-30025
HP-Silica512030 × 150 mm117005-30015
HP-Silica512030 × 100 mm117005-30010
HP-Silica512021.2 × 50 mm117005-21205
HP-Silica512021.2 × 250 mm117005-21225
HP-Silica512021.2 × 150 mm117005-21215
HP-Silica512021.2 × 100 mm117005-21210
HP-Silica51202.1 × 50 mm117005-2105
HP-Silica51202.1 × 30 mm117005-2103
HP-Silica51202.1 × 250 mm117005-2125
HP-Silica51202.1 × 150 mm117005-2115
HP-Silica51202.1 × 100 mm117005-2110
HP-Silica51202 × 10 mm117005-2001
HP-Silica512010 × 50 mm117005-10005
HP-Silica512010 × 250 mm117005-10025
HP-Silica512010 × 150 mm117005-10015
HP-Silica512010 × 100 mm117005-10010
HP-Silica31204.6 × 50 mm117003-4605
HP-Silica31204.6 × 30 mm117003-4603
HP-Silica31204.6 × 250 mm117003-4625
HP-Silica31204.6 × 150 mm117003-4615
HP-Silica31204.6 × 100 mm117003-4610
HP-Silica31204 × 10 mm117003-4001
HP-Silica31202.1 × 50 mm117003-2105
HP-Silica31202.1 × 30 mm117003-2103
HP-Silica31202.1 × 250 mm117003-2125
HP-Silica31202.1 × 150 mm117003-2115
HP-Silica31202.1 × 100 mm117003-2110
HP-Silica31202 × 10 mm117003-2001
HP-Silica1012010 × 100 mm117009-10010
HP-Silica101207.8 × 250 mm117009-7825
HP-Silica101207.8 × 150 mm117009-7815
HP-Silica1012030 × 50 mm117009-30005
HP-Silica1012030 × 250 mm117009-30025
HP-Silica1012030 × 150 mm117009-30015
HP-Silica1012030 × 100 mm117009-30010
HP-Silica1012021.2 × 50 mm117009-21205
HP-Silica1012021.2 × 250 mm117009-21225
HP-Silica1012021.2 × 150 mm117009-21215
HP-Silica1012021.2 × 100 mm117009-21210
HP-Silica1012010 × 50 mm117009-10005
HP-Silica1012010 × 250 mm117009-10025
HP-Silica1012010 × 150 mm117009-10015
HP-Silica1.81204.6 × 50 mm117001-4605
HP-Silica1.81204.6 × 30 mm117001-4603
HP-Silica1.81204.6 × 150 mm117001-4615
HP-Silica1.81204.6 × 100 mm117001-4610
HP-Silica1.81202.1 × 50 mm117001-2105
HP-Silica1.81202.1 × 30 mm117001-2103
HP-Silica1.81202.1 × 150 mm117001-2115
HP-Silica1.81202.1 × 100 mm117001-2110
HP-SCX51204 × 10 mm120365-4001C
HP-SCX51202 × 10 mm120365-2001C
HP-SCX31202 × 10 mm120363-2001C
HP-SCX31204 × 10 mm120363-4001C
HP-SCX51207.8 × 250 mm120365-7825
HP-SCX51207.8 × 150 mm120365-7815
HP-SCX51204.6 × 50 mm120365-4605
HP-SCX51204.6 × 30 mm120365-4603
HP-SCX51204.6 × 250 mm120365-4625
HP-SCX51204.6 × 150 mm120365-4615
HP-SCX51204.6 × 100 mm120365-4610
HP-SCX51204 × 10 mm120365-4001
HP-SCX512030 × 50 mm120365-30005
HP-SCX512030 × 250 mm120365-30025
HP-SCX512030 × 150 mm120365-30015
HP-SCX512030 × 100 mm120365-30010
HP-SCX512021.2 × 50 mm120365-21205
HP-SCX512021.2 × 250 mm120365-21225
HP-SCX512021.2 × 150 mm120365-21215
HP-SCX512021.2 × 100 mm120365-21210
HP-SCX51202.1 × 50 mm120365-2105
HP-SCX51202.1 × 30 mm120365-2103
HP-SCX51202.1 × 250 mm120365-2125
HP-SCX51202.1 × 150 mm120365-2115
HP-SCX51202.1 × 100 mm120365-2110
HP-SCX51202 × 10 mm120365-2001
HP-SCX512010 × 50 mm120365-10005
HP-SCX512010 × 250 mm120365-10025
HP-SCX512010 × 150 mm120365-10015
HP-SCX512010 × 100 mm120365-10010
HP-SCX31202.1 × 50 mm120363-2105
HP-SCX31202.1 × 30 mm120363-2103
HP-SCX31202.1 × 250 mm120363-2125
HP-SCX31202.1 × 150 mm120363-2115
HP-SCX31202.1 × 100 mm120363-2110
HP-SCX31202 × 10 mm120363-2001
HP-SCX31204.6 × 50 mm120363-4605
HP-SCX31204.6 × 30 mm120363-4603
HP-SCX31204.6 × 250 mm120363-4625
HP-SCX31204.6 × 150 mm120363-4615
HP-SCX31204.6 × 100 mm120363-4610
HP-SCX31204 × 10 mm120363-4001
HP-SCX101207.8 × 250 mm120369-7825
HP-SCX101207.8 × 150 mm120369-7815
HP-SCX101204.6 × 250 mm120369-4625
HP-SCX1012030 × 50 mm120369-30005
HP-SCX1012030 × 250 mm120369-30025
HP-SCX1012030 × 150 mm120369-30015
HP-SCX1012030 × 100 mm120369-30010
HP-SCX1012021.2 × 50 mm120369-21205
HP-SCX1012021.2 × 250 mm120369-21225
HP-SCX1012021.2 × 150 mm120369-21215
HP-SCX1012021.2 × 100 mm120369-21210
HP-SCX1012010 × 50 mm120369-10005
HP-SCX1012010 × 250 mm120369-10025
HP-SCX1012010 × 150 mm120369-10015
HP-SCX1012010 × 100 mm120369-10010
HP-SCX1.81204.6 × 50 mm120361-4605
HP-SCX1.81204.6 × 30 mm120361-4603
HP-SCX1.81204.6 × 150 mm120361-4615
HP-SCX1.81204.6 × 100 mm120361-4610
HP-SCX1.81202.1 × 50 mm120361-2105
HP-SCX1.81202.1 × 30 mm120361-2103
HP-SCX1.81202.1 × 100 mm120361-2110
HP-SAX(II)51204.6 × 250 mm122675-4625
HP-SAX(II)51204.6 × 150 mm122675-4615
HP-Diol51204.6 × 50 mm116425-4605
HP-Diol51204.6 × 250 mm116425-4625
HP-Diol51204.6 × 150 mm116425-4615
HP-Diol51204.6 × 100 mm116425-4610
HP-Diol31204.6 × 50 mm116423-4605
HP-Diol31204.6 × 250 mm116423-4625
HP-Diol31204.6 × 150 mm116423-4615
HP-Diol31204.6 × 100 mm116423-4610
HP-Diol1.81204.6 × 150 mm116421-4615
HP-Cyano51204 × 10 mm113315-4001C
HP-Cyano51202 × 10 mm113315-2001C
HP-Cyano31204 × 10 mm113313-4001C
HP-Cyano31202 × 10 mm113313-2001C
HP-Cyano51207.8 × 250 mm113315-7825
HP-Cyano51207.8 × 150 mm113315-7815
HP-Cyano51204.6 × 50 mm113315-4605
HP-Cyano51204.6 × 250 mm113315-4625
HP-Cyano51204.6 × 150 mm113315-4615
HP-Cyano51204.6 × 100 mm113315-4610
HP-Cyano51204 × 10 mm113315-4001
HP-Cyano512021.2 × 50 mm113315-21205
HP-Cyano51202.1 × 50 mm113315-2105
HP-Cyano51202.1 × 30 mm113315-2103
HP-Cyano51202.1 × 150 mm113315-2115
HP-Cyano51202.1 × 100 mm113315-2110
HP-Cyano51202 × 10 mm113315-2001
HP-Cyano51204.6 × 30 mm113315-4603
HP-Cyano512030 × 50 mm113315-30005
HP-Cyano512030 × 250 mm113315-30025
HP-Cyano512030 × 150 mm113315-30015
HP-Cyano512030 × 100 mm113315-30010
HP-Cyano512021.2 × 250 mm113315-21225
HP-Cyano512021.2 × 150 mm113315-21215
HP-Cyano512021.2 × 100 mm113315-21210
HP-Cyano51202.1 × 250 mm113315-2125
HP-Cyano512010 × 50 mm113315-10005
HP-Cyano512010 × 250 mm113315-10025
HP-Cyano512010 × 150 mm113315-10015
HP-Cyano512010 × 100 mm113315-10010
HP-Cyano31204.6 × 50 mm113313-4605
HP-Cyano31204.6 × 30 mm113313-4603
HP-Cyano31204.6 × 250 mm113313-4625
HP-Cyano31204.6 × 150 mm113313-4615
HP-Cyano31204.6 × 100 mm113313-4610
HP-Cyano31204 × 10 mm113313-4001
HP-Cyano31202.1 × 50 mm113313-2105
HP-Cyano31202.1 × 30 mm113313-2103
HP-Cyano31202.1 × 250 mm113313-2125
HP-Cyano31202.1 × 150 mm113313-2115
HP-Cyano31202.1 × 100 mm113313-2110
HP-Cyano31202 × 10 mm113313-2001
HP-Cyano101207.8 × 250 mm113319-7825
HP-Cyano101207.8 × 150 mm113319-7815
HP-Cyano1012030 × 50 mm113319-30005
HP-Cyano1012030 × 250 mm113319-30025
HP-Cyano1012030 × 150 mm113319-30015
HP-Cyano1012030 × 100 mm113319-30010
HP-Cyano1012021.2 × 50 mm113319-21205
HP-Cyano1012021.2 × 250 mm113319-21225
HP-Cyano1012021.2 × 150 mm113319-21215
HP-Cyano1012021.2 × 100 mm113319-21210
HP-Cyano1012010 × 50 mm113319-10005
HP-Cyano1012010 × 250 mm113319-10025
HP-Cyano1012010 × 150 mm113319-10015
HP-Cyano1012010 × 100 mm113319-10010
HP-Cyano1.81204.6 × 50 mm113311-4605
HP-Cyano1.81204.6 × 30 mm113311-4603
HP-Cyano1.81204.6 × 150 mm113311-4615
HP-Cyano1.81204.6 × 100 mm113311-4610
HP-Cyano1.81202.1 × 50 mm113311-2105
HP-Cyano1.81202.1 × 30 mm113311-2103
HP-Cyano1.81202.1 × 150 mm113311-2115
HP-Cyano1.81202.1 × 100 mm113311-2110
HP-C1851204 × 10 mm103185-4001C
HP-C1852004 × 10 mm104185-4001C
HP-C1852002 × 10 mm104185-2001C
HP-C1851202 × 10 mm103185-2001C
HP-C1832004 × 10 mm104183-4001C
HP-C1832002 × 10 mm104183-2001C
HP-C1831204 × 10 mm103183-4001C
HP-C1831202 × 10 mm103183-2001C
HP-C1852007.8 × 250 mm104185-7825
HP-C1852007.8 × 150 mm104185-7815
HP-C1852004.6 × 50 mm104185-4605
HP-C1852004.6 × 30 mm104185-4603
HP-C1852004.6 × 250 mm104185-4625
HP-C1852004.6 × 150 mm104185-4615
HP-C1852004.6 × 100 mm104185-4610
HP-C1852004 × 10 mm104185-4001
HP-C18520030 × 50 mm104185-30005
HP-C18520030 × 250 mm104185-30025
HP-C18520030 × 150 mm104185-30015
HP-C18520030 × 100 mm104185-30010
HP-C18520021.2 × 50 mm104185-21205
HP-C18520021.2 × 250 mm104185-21225
HP-C18520021.2 × 150 mm104185-21215
HP-C18520021.2 × 100 mm104185-21210
HP-C1852002.1 × 50 mm104185-2105
HP-C1852002.1 × 30 mm104185-2103
HP-C1852002.1 × 250 mm104185-2125
HP-C1852002.1 × 150 mm104185-2115
HP-C1852002.1 × 100 mm104185-2110
HP-C1852002 × 10 mm104185-2001
HP-C18520010 × 50 mm104185-10005
HP-C18520010 × 250 mm104185-10025
HP-C18520010 × 150 mm104185-10015
HP-C18520010 × 100 mm104185-10010
HP-C1851204.6 × 50 mm103185-4605
HP-C1851204.6 × 30 mm103185-4603
HP-C1851204.6 × 250 mm103185-4625
HP-C1851204.6 × 150 mm103185-4615
HP-C1851204.6 × 100 mm103185-4610
HP-C1851204 × 10 mm103185-4001
HP-C1851202.1 × 50 mm103185-2105
HP-C1851202.1 × 30 mm103185-2103
HP-C1851202.1 × 250 mm103185-2125
HP-C1851202.1 × 150 mm103185-2115
HP-C1851202.1 × 100 mm103185-2110
HP-C1851202 × 10 mm103185-2001
HP-C1851207.8 × 250 mm103185-7825
HP-C1851207.8 × 150 mm103185-7815
HP-C18512030 × 50 mm103185-30005
HP-C18512030 × 250 mm103185-30025
HP-C18512030 × 150 mm103185-30015
HP-C18512030 × 100 mm103185-30010
HP-C18512021.2 × 50 mm103185-21205
HP-C18512021.2 × 250 mm103185-21225
HP-C18512021.2 × 150 mm103185-21215
HP-C18512021.2 × 100 mm103185-21210
HP-C18512010 × 50 mm103185-10005
HP-C18512010 × 250 mm103185-10025
HP-C18512010 × 150 mm103185-10015
HP-C18512010 × 100 mm103185-10010
HP-C1832004.6 × 50 mm104183-4605
HP-C1832004.6 × 30 mm104183-4603
HP-C1832004.6 × 250 mm104183-4625
HP-C1832004.6 × 150 mm104183-4615
HP-C1832004.6 × 100 mm104183-4610
HP-C1832004 × 10 mm104183-4001
HP-C1832002.1 × 50 mm104183-2105
HP-C1832002.1 × 30 mm104183-2103
HP-C1832002.1 × 250 mm104183-2125
HP-C1832002.1 × 150 mm104183-2115
HP-C1832002.1 × 100 mm104183-2110
HP-C1832002 × 10 mm104183-2001
HP-C1831204.6 × 50 mm103183-4605
HP-C1831204.6 × 30 mm103183-4603
HP-C1831204.6 × 250 mm103183-4625
HP-C1831204.6 × 150 mm103183-4615
HP-C1831204.6 × 100 mm103183-4610
HP-C1831204 × 10 mm103183-4001
HP-C1831202.1 × 50 mm103183-2105
HP-C1831202.1 × 30 mm103183-2103
HP-C1831202.1 × 250 mm103183-2125
HP-C1831202.1 × 150 mm103183-2115
HP-C1831202.1 × 100 mm103183-2110
HP-C1831202 × 10 mm103183-2001
HP-C18102007.8 × 250 mm104189-7825
HP-C18102007.8 × 150 mm104189-7815
HP-C181020030 × 50 mm104189-30005
HP-C181020030 × 250 mm104189-30025
HP-C181020030 × 150 mm104189-30015
HP-C181020030 × 100 mm104189-30010
HP-C181020021.2 × 50 mm104189-21205
HP-C181020021.2 × 250 mm104189-21225
HP-C181020021.2 × 150 mm104189-21215
HP-C181020021.2 × 100 mm104189-21210
HP-C181020010 × 50 mm104189-10005
HP-C181020010 × 250 mm104189-10025
HP-C181020010 × 150 mm104189-10015
HP-C181020010 × 100 mm104189-10010
HP-C18101207.8 × 250 mm103189-7825
HP-C18101207.8 × 150 mm103189-7815
HP-C181012030 × 50 mm103189-30005
HP-C181012030 × 250 mm103189-30025
HP-C181012030 × 150 mm103189-30015
HP-C181012030 × 100 mm103189-30010
HP-C181012021.2 × 50 mm103189-21205
HP-C181012021.2 × 250 mm103189-21225
HP-C181012021.2 × 150 mm103189-21215
HP-C181012021.2 × 100 mm103189-21210
HP-C181012010 × 50 mm103189-10005
HP-C181012010 × 250 mm103189-10025
HP-C181012010 × 150 mm103189-10015
HP-C181012010 × 100 mm103189-10010
HP-C18 (2)51204 × 10 mm143185-4001C
HP-C18 (2)51004.6 × 50 mm143185-4605
HP-C18 (2)51004.6 × 250 mm143185-4625
HP-C18 (2)51004.6 × 150 mm143185-4615
HP-C18 (2)510030 × 50 mm143185-30005
HP-C18 (2)510030 × 250 mm143185-30025
HP-C18 (2)510030 × 150 mm143185-30015
HP-C18 (2)510030 × 100 mm143185-30010
HP-C18 (2)510021.2 × 50 mm143185-21205
HP-C18 (2)510021.2 × 250 mm143185-21225
HP-C18 (2)510021.2 × 150 mm143185-21215
HP-C18 (2)510021.2 × 100 mm143185-21210
HP-C18 (2)51002.1 × 50 mm143185-2105
HP-C18 (2)51002.1 × 250 mm143185-2125
HP-C18 (2)51002.1 × 150 mm143185-2115
HP-C18 (2)31004.6 × 50 mm143183-4605
HP-C18 (2)31004.6 × 250 mm143183-4625
HP-C18 (2)31004.6 × 150 mm143183-4615
HP-C18 (2)31002.1 × 50 mm143183-2105
HP-C18 (2)31002.1 × 150 mm143183-2115
HP-C18 (2)31002.1 × 100 mm143183-2110
HP-C18 (2)1010050 × 250 mm143189-50025
HP-C18 (2)1010021.2 × 250 mm143189-21225
HP-Amino51204 × 10 mm115305-4001C
HP-Amino51202 × 10 mm115305-2001C
HP-Amino31204 × 10 mm115303-4001C
HP-Amino31202 × 10 mm115303-2001C
HP-Amino51207.8 × 250 mm115305-7825
HP-Amino51207.8 × 150 mm115305-7815
HP-Amino51204.6 × 50 mm115305-4605
HP-Amino51204.6 × 30 mm115305-4603
HP-Amino51204.6 × 250 mm115305-4625
HP-Amino51204.6 × 150 mm115305-4615
HP-Amino51204.6 × 100 mm115305-4610
HP-Amino51204 × 10 mm115305-4001
HP-Amino512030 × 50 mm115305-30005
HP-Amino512030 × 250 mm115305-30025
HP-Amino512030 × 150 mm115305-30015
HP-Amino512030 × 100 mm115305-30010
HP-Amino512021.2 × 50 mm115305-21205
HP-Amino512021.2 × 250 mm115305-21225
HP-Amino512021.2 × 150 mm115305-21215
HP-Amino512021.2 × 100 mm115305-21210
HP-Amino51202.1 × 50 mm115305-2105
HP-Amino51202.1 × 30 mm115305-2103
HP-Amino51202.1 × 250 mm115305-2125
HP-Amino51202.1 × 150 mm115305-2115
HP-Amino51202.1 × 100 mm115305-2110
HP-Amino51202 × 10 mm115305-2001
HP-Amino512010 × 50 mm115305-10005
HP-Amino512010 × 250 mm115305-10025
HP-Amino512010 × 150 mm115305-10015
HP-Amino512010 × 100 mm115305-10010
HP-Amino31204.6 × 50 mm115303-4605
HP-Amino31204.6 × 30 mm115303-4603
HP-Amino31204.6 × 250 mm115303-4625
HP-Amino31204.6 × 150 mm115303-4615
HP-Amino31204.6 × 100 mm115303-4610
HP-Amino31204 × 10 mm115303-4001
HP-Amino31202.1 × 50 mm115303-2105
HP-Amino31202.1 × 30 mm115303-2103
HP-Amino31202.1 × 250 mm115303-2125
HP-Amino31202.1 × 150 mm115303-2115
HP-Amino31202.1 × 100 mm115303-2110
HP-Amino31202 × 10 mm115303-2001
HP-Amino101207.8 × 250 mm115309-7825
HP-Amino101207.8 × 150 mm115309-7815
HP-Amino1012030 × 50 mm115309-30005
HP-Amino1012030 × 250 mm115309-30025
HP-Amino1012030 × 150 mm115309-30015
HP-Amino1012030 × 100 mm115309-30010
HP-Amino1012021.2 × 50 mm115309-21205
HP-Amino1012021.2 × 250 mm115309-21225
HP-Amino1012021.2 × 150 mm115309-21215
HP-Amino1012021.2 × 100 mm115309-21210
HP-Amino1012010 × 50 mm115309-10005
HP-Amino1012010 × 250 mm115309-10025
HP-Amino1012010 × 150 mm115309-10015
HP-Amino1012010 × 100 mm115309-10010
HP-Amino1.81204.6 × 50 mm115301-4605
HP-Amino1.81204.6 × 30 mm115301-4603
HP-Amino1.81204.6 × 150 mm115301-4615
HP-Amino1.81204.6 × 100 mm115301-4610
HP-Amino1.81202.1 × 50 mm115301-2105
HP-Amino1.81202.1 × 30 mm115301-2103
HP-Amino1.81202.1 × 150 mm115301-2115
HP-Amino1.81202.1 × 100 mm115301-2110

Overview

Named phases: HP-Amino, HP-C18, HP-C18 (2), HP-Cyano, HP-Diol, HP-SAX(II), HP-SCX, HP-Silica

Separation categories: Mixed Mode, NP, RP

Available particle sizes: 1.8, 3, 5, 10 µm

Available pore sizes: 60, 100, 120, 200 Å

Scientific principle

Mixed-mode chromatography combines more than one retention mechanism, supporting selectivity that cannot be described by a single interaction mode. Normal-phase chromatography uses a polar stationary phase with comparatively less polar mobile phases to differentiate analytes by polarity and adsorption. Reversed-phase chromatography retains analytes through interactions with a comparatively non-polar stationary phase, typically using aqueous-organic mobile phases.

For detailed surface chemistry and packing guidance, contact technical support.

What are SEPAX HP Columns?

SEPAX HP Columns are catalog-listed products for reversed-phase, normal-phase and mixed-mode chromatography. The family is intended for small molecules and compounds requiring varied selectivity, with available configurations shown in the specification table on this page.

How do HP Columns work?

The separation is governed by partitioning and surface interactions governed by the selected HP phase. Selectivity also depends on the exact phase, mobile phase, sample properties, temperature, flow rate and column dimensions.

How to select a configuration

Start with the required separation mechanism and named phase. Then compare particle size, pore size where listed, internal diameter, length and catalog number. Match the configuration to system pressure capability, sample load and the scale of the method.

Applications

This family is relevant to pharmaceutical analysis, impurity profiling and general HPLC method development. Suitability must be confirmed experimentally with the actual sample and method conditions.

Method development

Begin with a documented method or a chemically reasonable starting condition for the selected phase. Control sample solvent strength, buffer compatibility, pH, ionic strength, gradient profile, temperature and injection volume. Change one variable at a time and record system-suitability results.

Column care and storage

Filter samples and mobile phases, prevent buffer precipitation, avoid sudden solvent incompatibility and stay within the product-specific operating limits supplied with the column. After use, remove strongly retained material with a compatible wash and store the column only in a suitable solvent for that exact phase.

Replacement and method transfer

Do not select a replacement by dimensions alone. Compare separation mechanism, stationary-phase type, particle size, pore size where applicable, column geometry and method conditions. Verify equivalence through retention, resolution, efficiency, tailing and system-suitability testing.

For catalog identification and application support, contact SEPAX technical support in India.

Troubleshooting guidance

Peak tailing, retention drift and high pressure often arise from mobile-phase contamination, pH mismatch, blocked frits, sample solvent mismatch or inadequate equilibration.

Cleaning and regeneration

Remove buffers before strong-organic washing. Use a solvent progression that stays miscible at every step, and return gradually to the starting mobile phase.

Mobile phase recommendations

Choose mobile phase according to chemistry: aqueous–organic mixtures for reversed phase, dry non-aqueous solvents for normal phase, and carefully controlled buffers for amino or cyano selectivity. Confirm pH and solvent compatibility before use.

Related SEPAX product families

For complementary selectivity or workflow steps, also review GP Columns, BR Columns and HILIC Columns. These related families can support orthogonal method development, sample cleanup, confirmation or scale-up depending on the application.

Frequently asked questions

What are HP Columns?

HP Columns are SEPAX catalog products used for reversed-phase, normal-phase and mixed-mode chromatography. The listed configurations can be compared by phase, particle size, pore size where applicable, dimensions and catalog number.

How do HP Columns work?

They separate analytes through partitioning and surface interactions governed by the selected HP phase. The exact behavior depends on the selected phase and method conditions.

Which HP Columns should I choose?

Choose first by separation mechanism and named phase, then by particle size, pore size where listed, internal diameter, length, sample load and system pressure capability.

Does this page show the catalog configurations for HP Columns?

Yes. The searchable specification table presents the configurations included in the website catalog data for this family. Use the catalog number when requesting confirmation or a quotation.

What applications are suitable for HP Columns?

This family is relevant to pharmaceutical analysis, impurity profiling and general HPLC method development. Final suitability depends on the analyte, sample matrix and method requirements.

Who supplies HP Columns in India?

Akira Analytical Solutions Pvt. Ltd. supplies SEPAX products in India and assists with catalog identification, column selection and technical enquiries.

Technical support for HP Columns

Send the application, current method and preferred dimensions to Akira Analytical Solutions Pvt. Ltd..

Request assistance