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Magnetic Stirrer
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IKA Midi MR 1 D So Digital Magnetic Stirrer - Laboratory Equipment
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Question & Answers For:
Magnetic Stirrer
Past Questions, Helpful Answers.
q.
What is a magnetic stirrer used for?
a.
A magnetic stirrer is used to mix liquids in laboratories. It ensures uniform mixing and is ideal for experiments requiring consistent agitation, such as dissolving solutes or mixing solutions.
q.
How does a magnetic stirrer work?
a.
A magnetic stirrer uses a rotating magnetic field to spin a magnetic stir bar placed inside the liquid. This creates a vortex for efficient and uniform mixing.
q.
Can a magnetic stirrer handle high temperatures?
a.
Most magnetic stirrers are designed to work with heated liquids, but it depends on the specific model. Check the temperature resistance of the stir bar and the device's heat compatibility.
q.
Are magnetic stirrers suitable for viscous liquids?
a.
Magnetic stirrers are generally effective for low to moderately viscous liquids. Highly viscous liquids might require a more powerful mixing solution.
q.
What type of containers can I use with a magnetic stirrer?
a.
Magnetic stirrers work best with flat-bottomed, non-metallic containers such as glass beakers or flasks to allow the magnetic field to operate effectively.
q.
Is it safe to use a magnetic stirrer with corrosive chemicals?
a.
Yes, but ensure that the stir bar is coated with a chemically resistant material like PTFE to prevent reactions with corrosive substances.
q.
How do I clean a magnetic stirrer and stir bar?
a.
Wipe the stirrer with a damp cloth and ensure it is dry before storage. Clean the stir bar with water or a suitable solvent, depending on the chemicals used.
q.
Does the speed of the stirrer affect mixing efficiency?
a.
Yes, the speed should be adjusted based on the solution's viscosity and mixing requirements. Higher speeds create stronger vortexes but might not be suitable for all liquids.
q.
What is the typical power source for a magnetic stirrer?
a.
Most magnetic stirrers are powered via standard electrical outlets. Some models may also offer battery or USB power options.