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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-89030-914

VWR* Spinbar* Magnetic Stirring bar,50mm

Catalog Number: (89030-914)
Supplier: VWR International
Description: Stirs powders suspended in liquids, PTFE*, autoclavable at 1212 C (250F).
Product Image-89030-912

VWR* Spinbar* Magnetic Stirring bar,40mm

Catalog Number: (89030-912)
Supplier: VWR International
Description: Stirs powders suspended in liquids, PTFE*, autoclavable at 1212 C (250F).
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-58947-146

Stirring bar, magnetic, VWR® Spinbar®, Octagonal, Length: 51 mm (2"), Ø: 7.9 mm (5/16 ")

Catalog Number: (58947-146)
Supplier: VWR International
Description: Stirring bar, magnetic, VWR® Spinbar®, Octagonal, Length: 51 mm (2"), Ø: 7.9 mm (<sup>5</sup>/<sub>16 </sub>")

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


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-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-58949-232

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-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-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-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-47735-602

VWR* Komet* Spinbar* Stirring Bar

Catalog Number: (47735-602)
Supplier: VWR International
Description: Made from a highly energetic, Samarium-Cobalt magnet encapsulated in PTFE* PTFE resin. Octagonal shape. Length: 5.0cm. Diameter: 2.1cm. Transmits torque loads two to three times larger than those of conventional stirring bars of this length.

Certificates


Product Image-74950-284

Stirring bar, magnetic, VWR® Spinbar®, Polygon, Length: 12 mm (½"), Ø: 5 mm (³/₁₆")

Catalog Number: (74950-284)
Supplier: VWR International
Description: Stirring bar, magnetic, VWR® Spinbar®, Polygon, Length: 12 mm (½"), Ø: 5 mm (³/₁₆")

Certificates


Product Image-74950-288

VWR* SPINBAR STIRRING POLYGON

Catalog Number: (74950-288)
Supplier: VWR International
Description: Multifaceted, interrupted profile that adds turbulence and improves stirring. Strong Alnico* magnets are encapsulated in autoclavable and inert PTFE can be used in temperatures up to 225degreesC (437degreesF).

Certificates


Product Image-74950-286

VWR* SPINBAR STIRRING POLYGON

Catalog Number: (74950-286)
Supplier: VWR International
Description: Multifaceted, interrupted profile that adds turbulence and improves stirring. Strong Alnico* magnets are encapsulated in autoclavable and inert PTFE can be used in temperatures up to 225degreesC (437degreesF).

Certificates


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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 Regulatory_Affairs@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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