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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. 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. 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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Product Image-58948-375

VWR* Spinbar* Micro Stir Bars

Catalog Number: (58948-375)
Supplier: VWR International
Description: PTFE* resin-coated, flea-size, polygon magnetic stir bars. 10Lx3Dia.mm.

Certificates Product available on GSA Advantage®


Product Image-58948-400

VWR* Spinbar* Micro Stir Bars

Catalog Number: (58948-400)
Supplier: VWR International
Description: PTFE* resin-coated, flea-size, polygon magnetic stir bars. 6.35Lx3Dia.mm.

Certificates


Product Image-58949-030

VWR* Cuvette Spinbar* Stir Bar

Catalog Number: (58949-030)
Supplier: VWR International
Description: This PTFE* resin-coated, centrifugal, magnetic stirrer fits into the standard cuvette having a 10mm light path. May also be used in test tubes. Molded in one piece, the stir bar will not scratch cuvettes or trap dirt. Dimensions: 9Dx8Hmm.

Certificates


Product Image-58948-353

VWR* Spinbar* Micro Stir Bars

Catalog Number: (58948-353)
Supplier: VWR International
Description: PTFE* resin-coated, flea-size, polygon magnetic stir bars. 8Lx1.5Dia.mm.

Certificates Product available on GSA Advantage®


Product Image-76461-642

VWR* Stirring Bar, Magnetic, Spinbar cylindrical, Material: PTFE, Color: White, offer excellent centering and smooth running characteristics, Small removable pivot ring in the center adds to their versatility, Pivot ring minimizes the contact area of the bar to the vessel, Dimension: 152.4X19MM

Catalog Number: (76461-642)
Supplier: VWR International
Description: VWR* Stirring Bar, Magnetic, Spinbar cylindrical, Material: PTFE, Color: White, offer excellent centering and smooth running characteristics, Small removable pivot ring in the center adds to their versatility, Pivot ring minimizes the contact area of the bar to the vessel, Dimension: 152.4X19MM

Certificates


Product Image-58947-907

VWR* Circulus* Stir Bars, Color-Coded

Catalog Number: (58947-907)
Supplier: VWR International
Description: Perform well with problem liquids, viscous mixtures, metal particles in fluids and round (convex) bottom vessels. Each is designed as 8mm diameter bar with solid, color-coded, 20mm diameter, PTFE* resin end discs. Reusable container. Red. 52mm long.

Certificates


Product Image-58949-232

VWR* Spin-Wedge* Stir Bars

Catalog Number: (58949-232)
Supplier: VWR International
Description: Designed to plow up sediment at bottom of vessel and mix it into a solution for thorough dispersion. Sharply angled, broad face of bar provides a strong mixing action; use with viscous solutions. PTFE* resin-coated. 9.5Lx25.4Dmm.
Product Image-76006-382

VWR* Stir Bar magnetic Giant Polygon White 127x16mm

Catalog Number: (76006-382)
Supplier: VWR International
Description: VWR* Stir Bar magnetic, Spinbar, Shape: Giant Polygon, Colour: White, With center molded pivot ring, Minimizes contact between bar and vessel, Made of Alnico magnet, with FDA grade, USP Class VI Teflon PTFE, Durable, Autoclavable, Size: 127 x 16mm

Certificates


Product Image-58947-144

VWR* Spinbar* Disposable Stir Bar

Catalog Number: (58947-144)
Supplier: VWR International
Description: Disposable magnetic stir bar eliminates potential for cross-contamination. Octagonal shape with a molded pivot ring provides increased surface area and turbulence. PTFE* resin-coated. 41Lx8dia. mm.

Certificates


Product Image-58949-265

VWR* Spin-Wedge* Stir Bars

Catalog Number: (58949-265)
Supplier: VWR International
Description: Designed to plow up sediment at bottom of vessel and mix it into a solution for thorough dispersion. Sharply angled, broad face of bar provides a strong mixing action; use with viscous solutions. PTFE* resin-coated. 12.7Lx50.8Dmm.

Certificates


Product Image-58949-254

VWR* Spin-Wedge* Stir Bars

Catalog Number: (58949-254)
Supplier: VWR International
Description: Designed to plow up sediment at bottom of vessel and mix it into a solution for thorough dispersion. Sharply angled, broad face of bar provides a strong mixing action; use with viscous solutions. PTFE* resin-coated. 12.7Lx44.4Dmm.

Certificates


Product Image-58948-078

VWR* Spinbar* Stir Bars, Egg-Shaped, Assortment

Catalog Number: (58948-078)
Supplier: VWR International
Description: Ideal for use in round-bottomed flasks. Selection of 13, egg-shaped, PTFE* resin-coated, magnetic stirring bars comes in assorted sizes: one 76.2x19mm plus two each of 19x9.5mm, 25.4x12.7mm, 31.8x15.9mm, 38.1x15.9mm, 41.3x19mm and 50.8x19mm.
Product Image-58947-146

VWR* Spinbar* Disposable Stir Bar

Catalog Number: (58947-146)
Supplier: VWR International
Description: Disposable magnetic stir bar eliminates potential for cross-contamination. Octagonal shape with a molded pivot ring provides increased surface area and turbulence. PTFE* resin-coated. 50Lx8dia. mm.

Certificates


Product Image-58947-140

VWR* Spinbar* Disposable Stir Bar

Catalog Number: (58947-140)
Supplier: VWR International
Description: Disposable magnetic stir bar eliminates potential for cross-contamination. Octagonal shape with a molded pivot ring provides increased surface area and turbulence. PTFE* resin-coated. 12.7Lx3.1dia. mm.

Certificates Product available on GSA Advantage®


Product Image-76006-384

VWR* Stir Bar magnetic Giant Polygon White 152x19mm

Catalog Number: (76006-384)
Supplier: VWR International
Description: VWR* Stir Bar magnetic, Spinbar, Shape: Giant Polygon, Colour: White, With center molded pivot ring, Minimizes contact between bar and vessel, Made of Alnico magnet, with FDA grade, USP Class VI Teflon PTFE, Durable, Autoclavable, Size: 152 x 19mm

Certificates


Product Image-58947-142

VWR STIRRING BAR

Catalog Number: (58947-142)
Supplier: VWR International
Description: Disposable magnetic stir bars eliminate potential for cross-contamination. Octagonal shape provides increased surface area and turbulence. PTFE* resin-coated.

Certificates


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.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

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

* Please note if your account is within the State of California two of these pieces of identification will be required.
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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