Whatman offers a wide range of high-quality columns to meet your specific needs. In addition to the innovative Whatman Void Sealing Columns, Whatman makes available a selection of Whatman Compression Screw (WCS) standard end fitting column configurations for your analytical and preparative needs. They are specifically designed for compatibility with all HPLC instrumentation.

Whatman Partisil is a high-purity irregular silica gel available in both 5 µm and 10 µm particle sizes with a pore size of 80Å. The choice of column packing includes Silica, C-18 polymeric phases (ODS-3,ODS-2) and C-8. Also available are SAX, SCX, and PAC. These columns provide reproducible results, column to column, lot to lot.

Partisil media are described in the HPLC media section.
Guard Cartridgesare available to prolong analytical column life.

Due to the greater surface area of the irregular Partisil, the medium offers enhanced selectivity and loading capacity. Through uniform particle sizing, back pressure is minimized. The neutral pH of Partisil provides for better peak symmetry without the need for mobile phase modifiers.

Standard Analytical
4.6 mm ID x 25 cm long, standard analytical column for research, methods development and routine separations. After optimization, other sizes can be considered for greater speed or capacity. Allows direct scale-up or scale-down to other size columns. Supplied with Whatman Compression Screw (WCS) end fittings.

RAC II
Available in 4.6 mm ID x 10 cm and 4.6 mm ID x 25 cm columns. Second-generation rapid analysis chromatography for faster analytical separations and reduced solvent consumption. Operates at low back pressure, even at high flow rates, prolonging column life. Connects easily to most LC instrumentation with convenient WCS end fittings.

Magnum 9 (50 cm)
9.4 mm ID x 50 cm long. Semi-preparative columns for microgram to gram quantities. Coned outlet allows high load capacity with minimal peak distortion. Durable construction ensures extended service. Magnum 9 columns are compatible with today’s HPLC instruments, allowing you to use the same equipment for analytical and preparative work.

Magnum 9 (25 cm)
9.4 mm ID x 25 cm long.

Magnum 20 (50 cm)
22 mm ID x 50 cm long. Preparative columns for multigram separations. Coned outlet allows high load capacity with minimal peak distortion. Durable construction ensures extended service. Magnum 20 columns provide sufficient yield and resolving power to accomplish difficult separations on a single pass, achieving high product purity.

Magnum 20 (25 cm)
22 mm ID x 25 cm long.

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