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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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Description:   PTFE* resin-coated, octagon-shaped stirring bars. 12.7Lx3Dmm.
Catalog Number: 58948-091
Supplier: VWR International


Product available on GSA Advantage®

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Certificate Certificates    
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Description:   Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars (with pivot ring). Yellow. 25.4Lx7.9Dmm.
Catalog Number: 58949-064
Supplier: VWR International



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Certificate Certificates    
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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 50.8Lx7.9Dmm.
Catalog Number: 58948-171
Supplier: VWR International


Product available on GSA Advantage®

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Certificate Certificates    
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Description:   Rare Earth, Molded in pure, FDA approved, PTFE or polypropylene. Autoclavable. 10mm diameter x 250mm length
Catalog Number: 89026-262
Supplier: VWR International



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Certificate Certificates    
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Description:   Proven Spinfin design made twice as effective. Fins on top and bottom ensure complete agitation. PTFE* resin-coated. 19Lx16Dmm.
Catalog Number: 58949-004
Supplier: VWR International



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Description:   PTFE, Rare Earth, Elliptical, 25mm Length x 14mm Diameter
Catalog Number: 89030-554
Supplier: VWR International



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Description:   Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars (with pivot ring). Red. 50.8Lx7.9Dmm.
Catalog Number: 58949-052
Supplier: VWR International



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Certificate Certificates    
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Description:   PTFE* resin-coated, round stir bars have removable pivot ring. 50.8Lx9.5Dmm.
Catalog Number: 58949-130
Supplier: VWR International



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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. Yellow. 32mm long.
Catalog Number: 58947-929
Supplier: VWR International



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Description:   4.4cm O.D. With a removable stabilizing ring to keep it centered in the vessel. Creates a deep vortex without splashing or chattering and resists spinout.
Catalog Number: 58949-024
Supplier: VWR International



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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 47.6Lx9.5Dmm.
Catalog Number: 58947-132
Supplier: VWR International



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Description:   VWR* Stir Bar magnetic, Spinbar, Shape: 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, ISO 9001:2008, Autoclavable, Size: 50x8mm
Catalog Number: 76006-406
Supplier: VWR International



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Certificate Certificates    
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Description:   VWR* Stir Bar magnetic, Spinbar, Shape: 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, ISO 9001:2008, Autoclavable, Size: 60x10mm
Catalog Number: 76006-378
Supplier: VWR International



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Certificate Certificates    
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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



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Certificate Certificates    
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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 22.2Lx9.5Dmm.
Catalog Number: 58947-124
Supplier: VWR International



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Description:   PTFE* resin-coated, round stir bars have removable pivot ring. 25.4Lx7.9Dmm.
Catalog Number: 58949-083
Supplier: VWR International



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