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Spectra/Chrom® Disposable MiniColumns

Spectrum's disposable minicolumns (shown in a stand and filled with ion exchange resin) are manufactured of ultrapure polystyrene and polypropylene. They have wide brimmed reservoirs to make packing quick and easy. The bed support is available in 3 different porosities to accommodate a variety of media. Although these columns are inexpensive enough to be disposable, each column can be repeatedly reused by placing the tip guard back onto the column.

These small plastic columns are ideal for sample preparation, desalting, concentration and other methods requiring simplicity and speed and involving limited sample sizes.

The overall column length is 12.3 cm and the total volume is 7.5 mL. The upper column reservoir has a capacity of about 4.5 mL.

The column can accommodate up to 3 mL of media. The bed area is 8 x 10 x 60 mm (ID x OD x length). The gel bed support is made of polyethylene.

These columns can be placed inside 16 x 150 mm (ID x length) test tubes which can then act as receptacles for the effluent. Multiple columns can also be easily arranged in a test tube rack as shown.

The polypropylene columns are fully autoclavable.

Ordering Information: click on Product No. to add to cart

Product No.MaterialPore SizeQuantityPrice

104700Polystyrene90 µmbox of 20 columns$67order part 104700
104701Polystyrene45 µmbox of 20 columns$67order part 104701
104702Polystyrene15 µmbox of 20 columns$67order part 104702
104703Polypropylene90 µmbox of 20 columns$67order part 104703
104704Polypropylene45 µmbox of 20 columns$67order part 104704
104705Polypropylene15 µmbox of 20 columns$67order part 104705

These disposable columns are sold in packages of 20. Each package includes 20 columns, 20 tip guards and 20 reservoir caps.

Click on any part number for pricing information or to place an order.


Choose the largest frit size that is smaller than the media you will be using.

Polystyrene is transparent like glass, but damaged by most organic solvents.
Polypropylene is translucent like frosted glass, but suitable for use with many organic solvents.


Ion Exchange Resins

When filled with ion exchange resins these mini-columns are well suited for sample clean-up before other analyses.

Aqueous Columns

Our standard Aqueous columns are ideal when your needs exceed the volume of these disposable columns.

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