eBay.
Sounds unusual but you get some really good deals on here. 25ml for about £10.
You'll struggle to find it cheaper. High grade stuff too
Hi there I've just incountered some helpful guides on making ferrofluid: http://www.instructables.com/id/Make-your-own-ferrofluid-in-5-minutes http://www.physics.rutgers.edu/cyclotron/images/press_physics_today/Cyclotron.pdf http://chemistry.about.com/od/demonstrationsexperiments/ss/liquidmagnet.htm http://www.sci-spot.com/Chemistry/liqimag.htm
Ferrofluid is the name of the liquid magnetic substance. It is composed of tiny magnetic particles suspended in a carrier fluid, like oil or water. Ferrofluid is known for its unique properties, such as becoming magnetized in the presence of a magnetic field.
Liquid ferrofluid becomes strongly magnetized in the presence of a magnetic field. Ferrofluids can be found in the following areas: Electronic devices, Mechanical engineering, Aerospace, Analytical instrumentation, Medical applications, Heat transfer, Optics, and even Art.
I would check on eBay or Amazon. They have a wide variety and great prices. If you can't find one there then go to the garmin website and you can buy one online there.
Ferrofluid is an example of a ferromagnetic fluid. It is a liquid that becomes strongly magnetized in the presence of a magnetic field. Ferrofluids are often used in speakers, seals, and cooling systems.
To make a ferrofluid display at home, you will need ferrofluid, a clear container, a magnet, and a light source. Simply pour the ferrofluid into the container, place the magnet underneath, and shine the light on it to see the mesmerizing patterns and shapes created by the magnetic field.
To create ferrofluid at home, you will need to mix oil with magnetic nanoparticles, such as magnetite or iron oxide, in a container. The nanoparticles will become suspended in the oil, creating the ferrofluid.
the sponsorship of NASA created ferrofluid
To create a captivating ferrofluid display, you will need a clear container, a strong magnet, and ferrofluid. Place the ferrofluid in the container and use the magnet to manipulate the fluid into mesmerizing shapes and patterns. Experiment with different movements and positions of the magnet to create a visually stunning display that will captivate viewers.
Ferrofluid can be made without toner by mixing magnetic nanoparticles with a carrier fluid, such as oil or water, along with a surfactant to prevent clumping. This mixture can then be magnetized to create the unique properties of ferrofluid.
Ferrofluid forms spikes due to the magnetic field pulling the fluid into cone shapes, creating the spike appearance.
Toner can be used in the process of making ferrofluid by acting as a surfactant to help disperse the magnetic nanoparticles in the liquid. This helps to stabilize the particles and prevent them from clumping together, creating a smooth and uniform ferrofluid mixture.
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