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VWR International


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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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Supplier:  VWR International
Description:   Cylindrical magnetic stirring bars offer excellent centering and smooth running characteristics.

Supplier:  VWR International
Description:   Cylindrical magnetic stirring bars offer excellent centering and smooth-running characteristics.
Supplier:  VWR International
Description:   Designed for stirring large volumes in vessels such as drums and tanks
Supplier:  VWR International
Description:   These VWR® stirbars have polygon multifaceted surfaces that add turbulence relative to similar smooth size cylindrical bars.
Supplier:  VWR International
Description:   Micro (Flea) magnetic stirring bars are designed for stirring small volumes in vessels such as vials, tubes, and gradient makers.
Supplier:  VWR International
Description:   Micro (Flea) magnetic stirring bars are designed for stirring small volumes in vessels such as vials, tubes and gradient makers.
Supplier:  VWR International
Description:   Polygon-shaped Alnico magnet encapsulated in FDA grade Teflon® PTFE is durable and inert.
Supplier:  VWR International
Description:   Spinfin® magnetic stirring bars agitate liquids in round bottom vessels such as test tubes, cylinders and flasks, where other stirring bars cannot be ...
Supplier:  VWR International
Description:   These stirbars have polygon multifaceted surfaces that add turbulence relative to similar smooth size cylindrical bars.
Catalog Number: (58949-030)

Supplier:  VWR International
Description:   This magnetic stirring bar fits into the standard 10mm light path cuvette and provides rapid vertical and horizontal mixing with a minimum of vortexin...
Supplier:  VWR International
Description:   Spinwedge® magnetic stirring bars provide strong turbulence at fairly low speeds and are well suited for churning sediment or dissolving salts
Supplier:  VWR International
Description:   These egg-shaped stirring bars, designed especially for use in round-bottom vessels, spin unrestricted by the vessel contour.
Supplier:  VWR International
Description:   Octagon magnetic stirring bars with integral pivot ring are the most commonly used shape.
Supplier:  VWR International
Description:   Double Spinfin® Magnetic Stirring Bars agitate liquids in round bottom vessels such as test tubes, cylinders, and flasks, where other stirring bars ca...
Supplier:  VWR International
Description:   Convenient blister packs of PTFE resin-coated, Spinbar® magnetic stir bars.
Supplier:  VWR International
Description:   Molded in pure, FDA-approved PTFE, these samarium-cobalt elliptical magnets feature increased magnetic strength and are almost totally resistant to de...
Inquire for Price
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.
To process your orders without delay, please provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide ID that includes your business name & shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number. Acceptable forms of ID are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. VWR will not lift restrictions for residential shipping addresses.

-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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