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SP Bel-Art Spinbar Rare Earth Teflon Fluted Octagonal Magnetic Stirring Bar; 50 x 21mm, Green (F37174-0000)

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$93.31

$ 41 .99 $41.99

In Stock

About this item

  • Octagonal shape with fluted ends provides more turbulence than a non-fluted octagonal stir bar and can be used with containers with curved bottoms
  • Teflon (PTFE) casing is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning
  • Spins on the bottom of the container to disperse sediment and air bubbles
  • Internal magnet made from samarium cobalt provides stronger magnetic attraction in viscous solutions and at high speeds than a magnet made from an alloy of alnico V
  • Green color for quick identification


It is Teflon PTFE construction. Research, industrial and healthcare professionals rely on SP Scienceware for their sample handling needs. Sold worldwide, Bel-Art and H-B Instrument brand laboratory supplies include over 5,000 items from safety wash bottles to fume hoods, thermometers, racks, desiccators, hydrometers, ice buckets, scoops and spoons. Custom calibration services, plastic molding, specialty coatings and wire manufacturing are also available. Wilmad-LabGlass brand laboratory glassware complements Bel-Art and H-B Instrument with over 7000 items including NMR and EPR consumables and specialty glassware, as well as custom fabrication for individual glassware, glass repair services and OEM glass parts. SP Scienceware is a division of Warminster, PA based SP Industries which also include SP Scientific laboratory, thermal management, and pharmaceutical production equipment and SP Ableware aids for daily living.


Phönix
Reviewed in the United States on May 23, 2019
I tested about 10 different stirbars (I made a YouTube video), and this is the only one that worked for my larger pot that is thick aluminum.
Kindle Customer
Reviewed in the United States on March 30, 2019
The media could not be loaded.
Grey
Reviewed in the United States on August 20, 2018
I've literally tried 90 percent of the spinbars offered through Amazon. This one is the only one that has been able to produce a full vortex in my 20 Liter boiling flask. It is also the only bar I've had that could consistently stay centered at 1900 - 2100 rpm under vacuum. The price is a pain, but you will not regret getting it. Just make sure it fits your joint size, mine is 45/50.
A. K.
Reviewed in the United States on August 22, 2017
This product is amazing, the only spinbar that can actually stir viscous solutions. I use it to stir my saturated PEG solution, and it functions perfectly! Regular spinbars have never been able to work in my PEG solution!
Customer
Reviewed in the United States on August 2, 2016
The liquid we are using is a bit to viscous to get a full emulsification, but once we adjusted the batch size this magnet has been the BEST BY FAR!!! I would highly recommend this magnet!
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