Catalog #: | Diameter, µm: | Material: | NIST Traceable: | Package, mL: |
---|---|---|---|---|
PS | 1.5, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 15.0, 20.0, 25.0, 30.0, 35.0, 40.0, 45.0, 75.0, 80.0, 95.0, 100, 105, 120, 125, 140, 150, 180, 190, 200 |
Crosslinked Polystyrene |
Yes | 10 |
PA | 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 |
Crosslinked Poly(methyl methacrylate) |
Yes | 10 |
Si | 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 13.0, 17.0, 22.0 |
Silica | Yes | 10 |
Description:
- Particle standards are a set of uniform spheres that are used as a size reference to estimate the sizes of other particulates, biomolecules, and living organisms. These particles are also used in QC as well as the validation of analytical methods. This series consists of a CrossLinked Polystyrene strain, a CrossLinked Poly(methyl methacrylate) strain, and a Silica strain. The Crosslinked strains are more stable than non-crosslinked particles and do not aggregate upon drying. The Silica strain has fewer available sizes but is denser and more durable than the Polystyrene strain. These size standards are valuable in applications including microscopy, physical measurement of micron and submicron sizes, study of colloid systems and equipment efficiency.
Diameter Range:
- 10nm ~ 1000µm
Density, g/cm3:
- Polystyrene(Crosslinked): 1.05
- Polystyrene(Non-Crosslinked): 1.08
- Poly(methyl methacrylate): 1.18
- Silica: 2.20
Refractive Index, nD25:
- Polystyrene: 1.59
- Poly(methyl methacrylate): 1.49
- Silica: 1.45
Valid Storage Time:
- 12 months
Storage:
- Room temperature or refrigerated with lid tightly in place.