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These polymer spheres meet the need for NIST traceable size standards that have slightly wider distributions than our monodisperse 3000/4000 se-ries size standards. These products are suitable for laser diffraction and other methods for analyzing wide size range materials. The wider distribution
provides light scatter across a range of detectors resulting in a more repeatable measurement.
The material is composed of sulfate cross-linked with divinylbenzene. This gives the particle good durability and chemical stability.
| Catalog Number | Nominal Diameter | Certified Mean Diameter | Size Distribution Std. Dev & CV |
| Aqueous Suspensions, Calibrated by Optical Microscopy | |||
| 2005A | 5μm | 5.0 μm ± 0.3 μm | 0.6 μm (12%) |
| 2006A | 6μm | 6.1 μm ± 0.3 μm | 0.6 μm (9.8%) |
| 2007A | 7μm | 7.0 μm ± 0.2 μm | 0.4 μm (5.7%) |
| 2008A | 8μm | 7.7 μm ± 0.3 μm | 0.6 μm (7.8%) |
| 2009A | 9μm | 9.0 μm ± 0.3 μm | 0.9 μm (10%) |
| 2010A | 10μm | 9.7 μm ± 0.3 μm 0.9 | 0.9 μm (9.3%) |
| 2011A | 11μm | 10.9 μm ± 0.3 μm | 1.0 μm (9.2%) |
| 2014A | 14μm | 14.3 μm ± 0.4 μm | 1.4 μm (9.8%) |
| 2015A | 15μm | 14.6 μm ± 0.4 μm | 1.1 μm (7.5%) |
| 2020A | 20μm | 20.9 μm ± 0.6 μm | 1.4 μm (6.7%) |
| 2025A | 25μm | 26.4 μm ± 0.8 μm | 1.9 μm (7.2%) |
| 2030A | 30μm | 30.2 μm ± 0.6 μm | 2.2 μm (7.3%) |
| 2040A | 40μm | 39.6 μm ± 0.8 μm | 3.6 μm (9.1%) |
