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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:   Round stir bars with an Alnico magnet embedded and sealed in PYREX* glass. 12.7Lx9.5Dmm.
Catalog Number: 58948-444
Supplier: VWR International



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Description:   PTFE* resin-coated, polygon shaped. 22.2Lx9.5Dmm.
Catalog Number: 58948-985
Supplier: VWR International



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Certificate Certificates    
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Description:   VWR* Stirbar/Spinbar, Magnetic, Micro Flea, Alnico Magnet, FDA Grade, USP Class VI, Material: Teflon PTFE, Durable, Inert, ISO 9001:2008, Dimensions: 6.35 X 3Mm (0.250 X 0.118in), Autoclavable, Color: Blue
Catalog Number: 76001-854
Supplier: VWR International



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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: 74950-298
Supplier: VWR International



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Description:   PTFE* resin-coated, polygon shaped. 25.4Lx9.5Dmm.
Catalog Number: 58948-983
Supplier: VWR International



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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



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Description:   Mixes speedily and efficiently. The plus-sign shape creates a deep vortex and provides stable, quiet operation. PTFE* resin-coated. 3/4x 1/2 inch, 19.05mm x 12.7 mm.
Catalog Number: 58947-822
Supplier: VWR International


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Certificate Certificates    
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Description:   PTFE, Rare Earth, Elliptical, 10mm Length x 6mm Diameter
Catalog Number: 89030-550
Supplier: VWR International



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Description:   Color: yellow. Size: 22.2x7.9mm.
Catalog Number: 58948-087
Supplier: VWR International



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


Product available on GSA Advantage®

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Certificate Certificates    
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Description:   PTFE* resin-coated, polygon shaped. 22.2Lx4.8Dmm.
Catalog Number: 58948-080
Supplier: VWR International



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Description:   Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars. Red. 12.7Lx3.0Dmm.
Catalog Number: 58949-050
Supplier: VWR International



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Description:   Color-coded PTFE* resin identifies the Spinbar magnetic stirring bars (with pivot ring). Red. 38.1Lx7.9Dmm.
Catalog Number: 58949-060
Supplier: VWR International



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Certificate Certificates    
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Description:   Size: 5/8x5/16". Packaged 50/case.
Catalog Number: 70670-098
Supplier: VWR International



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Description:   PTFE* resin-coated, flea-size, polygon magnetic stir bars. 7Lx2Dia.mm.
Catalog Number: 58948-976
Supplier: VWR International


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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



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Certificate Certificates    
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