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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

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

VWR* Spinbar* Magnetic Stirring bar,40mm

Description: Stirs powders suspended in liquids, PTFE*, autoclavable at 1212 C (250F).
Catalog Number: 89030-912
Supplier: VWR International
Product Image-58947-144

VWR* Spinbar* Disposable Stir Bar

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.
Catalog Number: 58947-144
Supplier: VWR International

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Product Image-58947-146

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

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

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Product Image-58947-142

VWR STIRRING BAR

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

Certificates


Product Image-58947-140

VWR* Spinbar* Disposable Stir Bar

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.
Catalog Number: 58947-140
Supplier: VWR International

Certificates


Product Image-58949-265

VWR* Spin-Wedge* Stir Bars

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.
Catalog Number: 58949-265
Supplier: VWR International

Certificates


Product Image-58949-232

VWR* Spin-Wedge* Stir Bars

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.
Catalog Number: 58949-232
Supplier: VWR International
Product Image-58949-254

VWR* Spin-Wedge* Stir Bars

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.
Catalog Number: 58949-254
Supplier: VWR International

Certificates


Product Image-58948-078

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

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.
Catalog Number: 58948-078
Supplier: VWR International
Product Image-76006-382

VWR* Stir Bar magnetic Giant Polygon White 127x16mm

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
Catalog Number: 76006-382
Supplier: VWR International

Certificates


Product Image-76006-384

VWR* Stir Bar magnetic Giant Polygon White 152x19mm

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
Catalog Number: 76006-384
Supplier: VWR International

Certificates


Product Image-47735-602

VWR* Komet* Spinbar* Stirring Bar

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.
Catalog Number: 47735-602
Supplier: VWR International

Certificates


Product Image-74950-284

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

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

Certificates


Product Image-74950-288

VWR* SPINBAR STIRRING POLYGON

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).
Catalog Number: 74950-288
Supplier: VWR International

Certificates


Product Image-74950-286

VWR* SPINBAR STIRRING POLYGON

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).
Catalog Number: 74950-286
Supplier: VWR International

Certificates


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