For the high levels of selectivity, consistency, and relability in column separations, an idea choice is DOWEX™ spherical fine mesh ion exchange resins. DOWEX fine mesh resins are produced by selectively controlling the suspension polymerization technology used to produce our standard 16 - 50 mesh industrial resins. The resulting resins consist of whole, spherical beads that provide excellent kinetic and packing properties in chromatographic separations...without the problems typically associated with ground or granular resins.

Dow offers a wide range of fine mesh resins for use in fine chemical and pharmaceutical column separations. Anion and cation resins with mesh sizes including 50 - 100, 100 - 200, and 200 - 400 are available. Cross-linkages (as measured by percent divinylbenzene content) include 2, 4, and 8. This broad product line permits selection of a resin offering the optimum levels of permeability, water retention capacity and total capacity for your particular applications.

Dow's range of resin options not only enhances the ability to optimize laboratory separations, but also simplifies the adjustments that are often necessary during process scale-ups. This can help ensure that success in the lab translates into success in pilot-scale as well as full-scale plant operations.

DOWEX fine mesh resins are durable, pH tolerant, clean, and predictable separations media that perform consistently and reliably in fine chemical and pharmaceutical column separations.

Product Description Matrix Total
Exchange
Capacity
eq/L (kgr/ft3)
Available
Forms
DOWEX™ 1X2 Fine mesh resin for fine chemical and pharmaceutical column separations. Styrene-DVB, Gel 0.6 meq/mL Cl-
DOWEX 1X4 Fine mesh resin for fine chemical and pharmaceutical column separations. Styrene-DVB, Gel 1.0 meq/ml Cl-
DOWEX 1X8 Fine mesh resin for fine chemical and pharmaceutical column separations. Styrene-DVB, Gel 1.2 meq/ml Cl-
DOWEX 50WX2 Fine mesh resin for fine chemical and pharmaceutical separations. Styrene-DVB, Gel 0.6 meq/ml H+
DOWEX 50WX4 Fine mesh resin for fine chemical and pharmaceutical column separations. Styrene-DVB, Gel 1.1 meq/ml H+
DOWEX 50WX8 Fine mesh resin for fine chemical and pharmaceutical column separation. Styrene-DVB, Gel 1.7 meq/ml H+
DOWEX Retardion 11A8 50 - 100 mesh Amphoteric resin containing both weak acid cation and strong base anion functionality within the same resin. Styrene-DVB, Gel 1.1 meq/mL (24.1 kgr/ft3)
1.2 meq/ml (26.3 (kgr/ft3)
-COOH and -N(CH3)3

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Literature

Literature & Manuals

Technical Documents
Fine Mesh IX Manual (PDF)
English (331KB)