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Míchadla magnetická

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.

Magnetic stirrers, boxed sets

Magnetic stirrers, boxed sets

Supplier: COWIE

Boxed sets include an assortment of useful sizes of each type of PTFE stirrer bar in a re-usable container.

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Magnetic stirring bars, plain, PTFE

Magnetic stirring bars, plain, PTFE

Supplier: COWIE

Plain PTFE magnetic stirring bars have similar performance to cylindrical bars, but provide more turbulence at low speeds.

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Magnetic stirring bars, PTFE/rare earth, TURBO™ flute

Magnetic stirring bars, PTFE/rare earth, TURBO™ flute

Supplier: COWIE

These stirring bars are made of extra power samarium-cobalt magnets which are chemically inert and have increased magnetic strength compared to Alnico.

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Magnetic stirring bars, with removable ring, PTFE

Magnetic stirring bars, with removable ring, PTFE

Supplier: COWIE

PTFE coated removable ring magnetic stirring bars can be used in the same way as either cylindrical or pivot ring type.

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Magnetic stirring bars, oval

Magnetic stirring bars, oval

Supplier: COWIE

PTFE covered. For stirrers with rare earth magnetic core the magnetic attraction is 1,5 to 2 times stronger than conventional stirrers. The magnetic core is made from a combination of samarium and cobalt. The rare earth stirrers will continue to function at full strength for many years as the magnetism remains for longer.

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Magnetic stirring bars, glass-covered

Magnetic stirring bars, glass-covered

Supplier: COWIE

Magnetic stirring bars designed for use with very abrasive media which may erode PTFE.

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Magnetic stirring bars, PTFE, micro

Magnetic stirring bars, PTFE, micro

Supplier: COWIE

Magnetic stirrer bar with white PTFE coating, used for very small containers.

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Magnetic stirring bars, PTFE, triangular, Spinstar®

Supplier: Thermo Fisher Scientific

Triangular stir bars can be used for faster reaction times and smooth mixing of small samples in conical-bottom vials of the Thermo Scientific™ Reacti-Therm™ Derivatization System. The stir bars provide simultaneous stirring of samples in multiple vials when used with a Reacti-Therm Heating/Stirring Module equipped with appropriate Reacti-Block Aluminium Blocks.

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Sada magnetických tyčových míchadel, IKAFLON®

Sada magnetických tyčových míchadel, IKAFLON®

Supplier: IKA

Tyčová míchadla potažená vrstvou skla nebo PTFE Použitelná v široké škále aplikací. K dispozici 5/sada nebo 1/sada.

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Magnetic stirring bars, PTFE

Magnetic stirring bars, PTFE

Supplier: IKA

Stirring bar, magnetic, PTFE-coated, IKAFLON®, Bílá, Kulatý, Round, Délka: 110 mm, Ø: 27 mm

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Magnetic stirring bars, PTFE-coated, octagonal, with centre ring

Magnetic stirring bars, PTFE-coated, octagonal, with centre ring

Supplier: GLASWARENFABRIK KARL HECHT

PTFE coated, magnetic stirring bars.

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Magnetic stirring bars

Magnetic stirring bars

Supplier: Hach

PFTE coated magnetic stirring bars.

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Magnetic sink strainer, Spinbar®, SP Bel-Art

Magnetic sink strainer, Spinbar®, SP Bel-Art

Supplier: Bel-Art Products, a Part of SP

Spinbar® Magnetic Sink Strainer is a simple solution to prevent your Spinbar® Magnetic Stirring Bars from going down the sink drain.

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Magnetic stirring bars, floating, Nalgene®

Magnetic stirring bars, floating, Nalgene®

Supplier: Thermo Fisher Scientific

Floating stirring bar with PTFE coated Alnico V magnet, which is slightly raised off the bottom of the vessel to minimise grinding effect on cells. Legs can be compressed to fit through small openings.

    
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Magnetic stirring bars, oval

Magnetic stirring bars, oval

Supplier: Heidolph Instruments GmbH & Co.KG

Oval shaped PTFE magnetic stirring bars.

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Magnetic stirring bars, Komet

Magnetic stirring bars, Komet

Supplier: THERMO H + P LABORTECHNIK

Komet magnetic stirring bars made from SmCo (Samarium Cobalt) have a PTFE coating which means they can be sterilised. Particularly recommended for high speed stirring, liquids with a high viscosity and stirring in vessels where there is a large distance between stirrer and stirring bar, such as measuring cyliners.

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Magnetic stirring bars set, cylindrical

Magnetic stirring bars set, cylindrical

Supplier: Heidolph Instruments GmbH & Co.KG

Set of PTFE covered magentic stirring bars.

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Magnetic stirring bar, set

Magnetic stirring bar, set

Supplier: Heidolph Instruments GmbH & Co.KG

Set of different shaped PTFE covered magentic stirring bars.

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Magnetic stirring bar, PTFE-coated, Corning®

Magnetic stirring bar, PTFE-coated, Corning®

Supplier: Corning

These Corning® magnetic stir bars are PTFE-coated for increased chemical resistance.

    
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Magnetic Stirring Bar, PTFE Coated

Supplier: METROHM

Stirring bar, magnetic, Délka: 16 mm, Ø: 4 mm

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Magnetic stirring bars, PTFE, egg-shaped, BOLA

Magnetic stirring bars, PTFE, egg-shaped, BOLA

Supplier: Bohlender

Egg shaped magnetic stirrer bars with magnetic core of Alnico 5 magnet encapsulated in PTFE. The shape mimics that of the flask and ensures complete mixing.

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Magnetic stirring bars, PTFE coated, crosshead

Magnetic stirring bars, PTFE coated, crosshead

Supplier: KARTELL

Cross shaped magnetic stirring bars, coated with PTFE, are ideal for small containers.

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Magnetic stirring bars, triangular

Magnetic stirring bars, triangular

Supplier: KARTELL

PTFE coated, triangular magnetic stirring bars.

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Magnetic stirring bars, PTFE, cross-shaped

Magnetic stirring bars, PTFE, cross-shaped

Supplier: Brand

These cross shaped PTFE magnetic stirring bars provide a steady spinning position which brings excellent stirring action.

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Magnetic stirring bars, PTFE, tandem, BOLA

Magnetic stirring bars, PTFE, tandem, BOLA

Supplier: Bohlender

Tandem shaped magnetic stirrer bars with magnetic core of Alnico 5 encapsulated in PTFE. The centre bore structure is used for receiving bearing neck or a glass neck. In these stirrer bars reduction of running surface to a ring minimises friction and increases lifespan.

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Magnetic stirring bars, PTFE, octagonal, Spinbar®, SP Bel-Art

Magnetic stirring bars, PTFE, octagonal, Spinbar®, SP Bel-Art

Supplier: Bel-Art Products, a Part of SP

Resin coated PTFE octagonal shaped magnetic stirring bars.

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Magnetic stirring bars, disposable, cylindrical, Spinbar®, SP Bel-Art

Magnetic stirring bars, disposable, cylindrical, Spinbar®, SP Bel-Art

Supplier: Bel-Art Products, a Part of SP

Spinbar® magnetic stirring bars with Alnico V magnet encapsulated in FDA grade with PTFE. The multifaceted stirring bar surface adds turbulence relative to similar size smooth cylindrical stirring bars.

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Magnetic stirring bars, polygon, Spinbar®, SP Bel-Art

Magnetic stirring bars, polygon, Spinbar®, SP Bel-Art

Supplier: Bel-Art Products, a Part of SP

PTFE covered with strong Alnico V magnetic core. The multifaceted surfaces add turbulence relative to smooth cylindrical bars of a similar size.

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Magnetic stirring bars, PTFE, star-shaped, Spinstar®

Magnetic stirring bars, PTFE, star-shaped, Spinstar®

Supplier: Brand

Triangular shaped PTFE magnetic stirring bars.

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Magnetic stirring bars, PTFE coated, ball shaped

Magnetic stirring bars, PTFE coated, ball shaped

Supplier: KARTELL

Magnetic stirrers which are ideal for test tubes or for eccentric stirring movements.

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