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.

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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Catalog Number: (COWI001.830)
Supplier: COWIE
Description: Magnetic stirrer bar with white PTFE coating, used for very small containers.
UOM: 1 * 1 items


Supplier: VWR Collection
Description: <B>PTFE</B> covered, strong Alnico V magnetic core. Smooth surface. Particularly suitable for small stirring vessels, extremely effective stirring action.

Supplier: VWR Collection
Description: <B>PTFE</B> covered, rare earth magnetic core. The magnetic core is made from a combination of samarium and cobalt. The stirrers will continue to function at full strength for many years as the magnetism remains for longer. They are identified by an inert carbon black spot.

Supplier: VWR Collection
Description: <B>Set Octahedral 1</B>, <B>PTFE</B> covered, 12 octagonal magnetic stirring rods with centre ring, in practical, transparent box. Set includes two stirrers with each of following dimensions, L×Ø (mm): 13×8, 15×8, 25×10, 38×10, 51×10 and 64×10.

Catalog Number: (COWIFT.8360)
Supplier: COWIE
Description: Octahedral magnetic stirring bars.
UOM: 1 * 1 items

Catalog Number: (COWI001.1135)
Supplier: COWIE
Description: Double cross-head has a greater turbulance when compared to single cross-head.
UOM: 1 * 1 items


Supplier: COWIE
Description: Octagonal shaped PTFE coated stirrer bars made using rare earth samarium-cobalt magnets, have greater magnetic strength than Alnico magnets.

Supplier: COWIE
Description: Plain PTFE magnetic stirring bars have similar performance to cylindrical bars, but provide more turbulence at low speeds.

Catalog Number: (COWI001.3450.RE)
Supplier: COWIE
Description: These stirring bars are made of extra power samarium-cobalt magnets which are chemically inert and have increased magnetic strength compared to Alnico.
UOM: 1 * 5 items


Catalog Number: (COWIFT.001.17150)
Supplier: COWIE
Description: PTFE coated removable ring magnetic stirring bars can be used in the same way as either cylindrical or pivot ring type.
UOM: 1 * 21 items


Supplier: VWR Collection
Description: <B>PTFE</B> covered, strong Alnico V magnetic core. Smooth surface. For containers with slightly uneven bases.

Supplier: VWR Collection
Description: <B>PTFE</B> covered, strong Alnico V magnetic core. Smooth surface. For use in containers with bases that are slightly uneven or curved.

Supplier: VWR Collection
Description: <B>PTFE</B> covered, strong Alnico V magnetic core. Smooth surface. Very good centring, small footprint and high turbulence even at low speeds. Disc diameter 20 mm, rod diameter 8 mm.

Supplier: COWIE
Description: Stirring bar, magnetic, Cylindrical, Length: 20 mm, Ø: 6 mm

Supplier: COWIE
Description: <B>PTFE</B> covered, strong Alnico V magnetic core. Smooth surface. Stirring action is similar to oval or pivot ring type stirring bars.

Supplier: COWIE
Description: Magnetic stirring bar which is ideal for dissolving solids and mixing sediments due to the scraper-like action on the base of the container.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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