Magnetic stirring bars provide effective stirring of samples via magnetic manipulation. Many models feature an octagonal shape with a central integrated pivot ring for optimal turbulence while stirring thanks to a greater surface area. The heavy-duty magnetic strips is one of the frequently used tools, strong enough to hold the solution. Commonly coated in Teflon to provide chemical inertness, occasionally glass will be the coating for use with most liquid alkali metals and alkali metal solutions in ammonia. Both of these coatings are inert and will not contaminate or react with the reaction solution.

SP Bel-Art Spinpak™ Magnetic Stirring Bar Assortment with Restrainer, Bel-Art Products, a part of SP

Supplier: Bel-Art Products, a Part of SP

A 10-pack of the most commonly used Spinbar® Octagonal Magnetic Stirring Bars in a variety of colors and sizes.

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SP Bel-Art Giant Polygon Spinbar Magnetic Stirring Bars without Pivot Ring, Bel-Art Products, a part of SP

Supplier: Bel-Art Products, a Part of SP

Heavy duty bars for use in stirring large volumes of fluid in vessels on large magnetic stirring machines such as the Cool Stir Large Volume Stirrer, 89009-206 or other large machines

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SP Bel-Art Circulus™ Magnetic Stirring Bars, Bel-Art Products, a part of SP

Supplier: Bel-Art Products, a Part of SP

Circulus™ Magnetic Stirring Bars offer fast mixing action and strong turbulence as well as greater stability with less drifting at higher speeds.

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SP Bel-Art Spinbox™ Magnetic Stirring Bar Assortments, Bel-Art Products, a part of SP

Supplier: Bel-Art Products, a Part of SP

These stirbar assortments come in a convenient storage box and provide instant availability of these highly popular Teflon® PTFE encapsulated Alnico magnets.