Spursil C18-EP

– 39 columns

Vendor: Dikma Technologies Inc. Mode: Reversed-Phase Modification: Silica/C18

Spursil™ polar-modified phases are based on ultra high-purity silica and novel polar modification technology. The unique bonded phases maximize polar retention and selectivity, while virtually eliminating silanol activity. The resulting polar-modified packing material contains a surface which is easily "wetted" with polar eluents and can run in highly aqueous conditions. The polar group also seems to play a role in base deactivation. We have seen some evidence that hydrogen bonding occurs between certain polar linkers and the silica surface, thereby decreasing the interaction of such silanols with basic components in the sample. Additionally, polar-modified phases often provide selectivity quite different from standard C18 phases.

Combine high-purity silica with unique polar modification technology
Maintain characteristics of conventional reversed phases
Unique selectivity and enhanced resolution
Reduced silanol interactions and improved peak shape for basic analytes
Stable retention in highly aqueous mobile phase conditions
Enhanced retention for polar compounds
Extended range pH stability
Choose from a variety of selectivities & hardware formats

Standard reversed-phase columns, particularly C18 columns, often suffer from "phase collapse" and the retention of the compounds is severely diminished when used in combination with highly aqueous phases. This phenomenon is substantially reduced with Spursil™ because the polar modifications make the phase less hydrophobic and more wettable. Polar-modified phases remain fully extended in aqueous phases, allowing increased interaction between samples and the bonded phase. Spursil™ columns show good retention of polar compounds which tend to elute in the void volume on standard ODS phases.

Internal Diameter Available: 2.1 – 50 mm

Length Available: 30 – 250 mm

Particle Size Available: 3 – 10 μm

Pore Size Shared by all columns 100 Å

39 columns shown


82101	4.6	150	5.0	100
82102	2.1	150	5.0	100
82103	2.1	50	5.0	100
82104	2.1	50	3.0	100
82106	4.6	250	5.0	100
82107	2.1	100	5.0	100
82109	2.1	250	5.0	100
82110	4.6	50	5.0	100
82111	4.6	100	5.0	100
82112	2.1	100	3.0	100
82113	2.1	150	3.0	100
82115	2.1	250	3.0	100
82116	4.6	50	3.0	100
82117	4.6	100	3.0	100
82118	4.6	150	3.0	100
82120	4.6	250	3.0	100
82121	3.0	50	3.0	100
82122	3.0	100	3.0	100
82123	3.0	150	3.0	100
82124	3.0	250	3.0	100
82125	3.0	50	5.0	100
82126	3.0	100	5.0	100
82127	3.0	150	5.0	100
82128	3.0	250	5.0	100
82129	3.0	30	3.0	100
82130	2.1	30	3.0	100
82131	4.6	30	3.0	100
82132	3.0	30	5.0	100
82133	2.1	30	5.0	100
82134	4.6	30	5.0	100
82135	4.6	250	10.0	100
82136	10.0	250	10.0	100
82137	21.2	250	10.0	100
82138	10.0	250	5.0	100
82139	21.2	250	5.0	100
82140	30.0	250	5.0	100
82141	50.0	250	5.0	100
82142	30.0	250	10.0	100
82143	50.0	250	10.0	100

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