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Absolute Mag™ Plain Magnetic Nanoparticles, 250 nm(WHM-G177)


Absolute Mag™ Plain Magnetic Nanoparticles, 250 nm (# WHM-G177) consist of monodisperse iron oxide aggregates with a diameter of about 250 nm. It is mainly magnetite with crystallite size of 5 - 15 nm and can easily be separated with permanent magnets. The iron oxide shows a low tendency of sedimentation. Polydispersity index: < 0.2.

Polydispersity Index
< 0.2
Particle Size
250 nm
Functional Group
Surface Coating
25 mg/mL
Storage Buffer
Suspension in water.
Unit Size
10 mL
Number of Particles
5.7E+11 particles/mL
5.35 g/ccm
46 Am2/kg iron (H = 80 kA/m)
Saturation Magnetization
>71 Am2/kg iron (H> 800 kA/m)
Coercive Field Hc
0.481 kA/m
Stable in aqueous buffers pH> 4. Not stable in organic solvents, acidic solutions pH < 4.
Storage at 2 - 8 °C for 6 months.
Shelf Life
When stored as specified the product is stable for six months.

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