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Magnetic Stirring Bars

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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:   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



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Description:   Convenient blister packs of popular PTFE* resin-coated, octagon, Spinbar magnetic stir bars. Each pack contains one size. 38.1Lx7.9Dmm.
Catalog Number: 58949-040
Supplier: VWR International



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Catalog Number: 76461-642
Supplier: VWR International



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Certificate Certificates    
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Description:   12 PTFE* resin-coated, octagonal stir bars. Packaged in a plastic, compartmented Spinbox*. Two each of: 12.7x7.9mm, 15.9x7.9mm, 25.4x9.5mm, 38.1x9.5mm, 50.8x9.5mm and 63.5x9.5mm.
Catalog Number: 58948-070
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. 15.9Lx9.5Dmm.
Catalog Number: 58947-122
Supplier: VWR International



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Description:   Proven Spinfin design made twice as effective. Fins on top and bottom ensure complete agitation. PTFE* resin-coated. 12.7Lx12.7Dmm.
Catalog Number: 58948-998
Supplier: VWR International



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Description:   VWR* Stirbar/Spinbar, Magnetic, Spinfin, Alnico Magnet, FDA Grade, USP Class VI, Material: Teflon PTFE, Durable, Inert, ISO 9001:2008, Dimensions: 7.9 X 9.5Mm (5/16 X 3/8in), Autoclavable, Color: White
Catalog Number: 76001-868
Supplier: VWR International



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Description:   PTFE* resin-coated, round stir bars have removable pivot ring. 38.1Lx7.9Dmm.
Catalog Number: 58949-108
Supplier: VWR International



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Certificate Certificates    
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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.
Catalog Number: 58949-030
Supplier: VWR International



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Certificate Certificates    
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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: 74950-282
Supplier: VWR International



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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: 12.7 X 3Mm (0.500 X 0.118in), Autoclavable, Color: Yellow
Catalog Number: 76001-858
Supplier: VWR International



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Description:   PTFE* resin-coated, round stir bars have removable pivot ring. 63.5Lx15.9Dmm.
Catalog Number: 58947-172
Supplier: VWR International



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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 76.2Lx12.7Dmm.
Catalog Number: 58948-193
Supplier: VWR International


Product available on GSA Advantage®

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Description:   Designed specifically for round bottom flasks and vessels. The PTFE* resin-coated, egg-shaped, magnetic stir bar fits the round bottom for uniform stirring without restriction. 15.9Lx6.4Dmm. For round-bottom flasks sized 10mL.
Catalog Number: 58949-010
Supplier: VWR International


Product available on GSA Advantage®

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Description:   PTFE* resin-coated, octagon-shaped stirring bars with molded-on pivot ring. 15.9Lx7.9Dmm.
Catalog Number: 58948-218
Supplier: VWR International



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Certificate Certificates    
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Description:   PTFE* resin-coated, polygon shaped. 38.1Lx9.5Dmm.
Catalog Number: 58948-988
Supplier: VWR International



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Certificate Certificates    
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