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Nanoparticle Size Standards (NIST, SRM, ASTM)

Nanoparticle Size Standards are uniform polystyrene spheres calibrated in nanometers (nm) with NIST traceable methodology.

1 nanometer = 0.000000001meter
1 nm= 0.001 micrometer (µm, micron)
1 nm= 10 Angstrom units.
Typical Applications

Nanoparticle Size Standards are ideal for calibrating electron and atomic force microscopes. They are also used in laser light scattering studies and colloidal systems research. The 20 to 900 nm range of diameters is also convenient for checking the sizes of bacteria, viruses, ribosomes, and sub-cellular components in biology laboratories.

Packaging Options

Nanoparticle Size Standards are packaged as aqueous suspensions in 15 milliliters (mL) dropper-tipped bottles. The concentrations are optimized for ease of dispersion and colloidal stability. The spheres have a density of 1.05g/cm3 and an index of refraction of 1.59 @ 589 nm.



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  • Gold NIST® SRM® 8011, Nominal 10 nm Diameter


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