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Bright fluorescent blue microspheres are supplied in dry powder form. Controlled particle size ranges enable investigation of maximum particle size passing through the openings, filters and membranes. Particles exhibit a strong fluorescent response and are color stable in solution.
These fluorescent particles are also available dispersed in aqueous solution as Density Marker Beads.
Other colors, sizes and grades of fluorescent particles are available:
Fluorescent Polymer Particles, Beads, Microsphere
Density: 1.10-1.14g/cc (Mean Density),Density Tolerance +/-0.01g/cc
Daylight Color: Blue
Fluorescent Response: Peak emission of 445nm when excited at 407nm
Particles in Size Range: > 90%
Spherical Particles: > 90%
Polyethylene microspheres are hydrophobic and suspend easily in oil-based solutions. They can also be suspended in aqueous solution if coated with a surfactant prior to suspending in water. We recommend using Tween 80 or Tween 20 Surfactants.
Data Sheet - Polyethylene Spheres, Beads, Microspheres, and Nanospheres
Rhodamine B Polyethylene Microspheres 0.98g/cc - 10um to 1000um (1mm)
Fluorescent Orange Polyethylene Microspheres 1.03g/cc, 1.04g/cc - 53um to 355um
Fluorescent Red Polyethylene Microspheres 1.090g/cc - 20um to 500um (0.5mm)
Fluorescent Green Polyethylene Microspheres 1.025g/cc - 10um to 1000um (1mm)