You searched for: Magnetic Stirring Bars

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.

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VWR® Spinbar®, Magnetic stirring bars, cylindrical

Supplier: VWR Collection

Magnetic stirring bars with low friction PTFE coating and magnetic core (Alnico 5). Cylindrical magnetic stirring bars offer excellent centering and smooth running characteristics.

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VWR® Spinbar®, Magnetic stirring bars, octagon

Supplier: VWR Collection

Resin-coated PTFE octagonal shaped magnetic stirring bars.

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VWR® Spinbar®, Magnetic stirring bars, octagon, with pivot ring

Supplier: VWR Collection

Octagonal shaped magnetic stirring bars have an interrupted profile which provides greater surface area and added turbulence when compared to the smooth surface of cylindrical bars.

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VWR® Spinbar®, Magnetic stir bars, octagon, colour-coded

Supplier: VWR Collection

Colour-coded octagonal bars provide a greater surface area and added turbulence compared to the smooth surface of cylindrical bars.

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Magnetic stirring bars, PTFE, SP Bel-Art

Supplier: Bel-Art Products, a Part of SP

This stirring bar has a removable stabilising ring that keeps it centered in vessel. It creates a deep vortex action without splashing or chattering and resists spinout.