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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-58948-985

VWR* Spinbar* Stir Bars, Polygon

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

Certificates


Product Image-58949-008

VWR* Spinbar* Stir Bars, Egg-Shaped

Catalog Number: (58949-008)
Supplier: VWR International
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. 76.2Lx19.0Dmm. For round-bottom flasks sized 12000 and 22000mL.

Certificates


Product Image-58949-200

VWR* Spinbar* Stir Bars, Egg-Shaped

Catalog Number: (58949-200)
Supplier: VWR International
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. 31.8Lx15.9Dmm. For round-bottom flasks sized 300 and 500mL.
Product Image-58949-010

VWR* Spinbar* Stir Bars, Egg-Shaped

Catalog Number: (58949-010)
Supplier: VWR International
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.

Product available on GSA Advantage®


Product Image-58949-196

VWR* Spinbar* Stir Bars, Egg-Shaped

Catalog Number: (58949-196)
Supplier: VWR International
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. 25.4Lx12.7Dmm. For round-bottom flasks sized 100 and 200mL.

Certificates Product available on GSA Advantage®


Product Image-89026-262

VWR* PTFE Stir Bar Retriever

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

Certificates


Product Image-58949-016

VWR* Spinbar* Stir Bars, Egg-Shaped

Catalog Number: (58949-016)
Supplier: VWR International
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. 38.1Lx15.9Dmm. For round-bottom flasks sized 300 and 500mL.
Product Image-58949-210

VWR* Spinbar* Stir Bars, Egg-Shaped

Catalog Number: (58949-210)
Supplier: VWR International
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. 41.3Lx19.0Dmm. For round-bottom flasks sized 500 and 1000mL.

Certificates


Product Image-58948-986

VWR* Spinbar* Stir Bars, Polygon

Catalog Number: (58948-986)
Supplier: VWR International
Description: PTFE* resin-coated, polygon shaped. 63.5Lx12.7Dmm.

Certificates Product available on GSA Advantage®


Product Image-58948-980

VWR* Spinbar* Stir Bars, Polygon

Catalog Number: (58948-980)
Supplier: VWR International
Description: PTFE* resin-coated, polygon shaped. 50.8Lx9.5Dmm.

Certificates


Product Image-89026-254

VWR* PTFE Stir Bar Retriever

Catalog Number: (89026-254)
Supplier: VWR International
Description: Rare Earth, Molded in pure, FDA approved, PTFE or polypropylene. Autoclavable. 10mm diameter x 250mm length
Product Image-58949-024

VWR* Spinbar* Magnetic Stirring Bar

Catalog Number: (58949-024)
Supplier: VWR International
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.
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-58949-270

VWR* Spinvane* Triangular Stir Bars

Catalog Number: (58949-270)
Supplier: VWR International
Description: Solid PTFE* resin vanes with cross mounted, molded-in magnets. For 1mL micro vials and conical tubes.

Product available on GSA Advantage®


Product Image-58949-276

VWR* Spinvane* Half-Round Stir Bars

Catalog Number: (58949-276)
Supplier: VWR International
Description: Solid PTFE* resin vanes with cross mounted, molded-in magnets. Tapered. For conical bottom centrifuge tubes (trim to fit).
Inquire for Price
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.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

-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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