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Thermo Scientific™ Duke Standards™ 2000 Series Uniform Polymer Particles
Analyze wide size range materials through laser diffraction or other methods with uniform polymer particles that mimic real world particles.
Brand: Thermo Scientific™ 2025A
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Beschreibung
Analyze wide size range materials through laser diffraction or other methods with Thermo Scientific™ Duke Standards™ 2000 Series Uniform Polymer Particles, NIST™ traceable polystyrene DVB particles with wider size distributions that mimic real world particles and work better on laser diffraction-type instruments. Particles meet the need for NIST traceable size standards that have slightly wider distributions than our monodisperse 3000/4000 series size standards. The wider distribution provides light scatter across a range of detectors, resulting in a more repeatable measurement.
Features:- Material is composed of polystyrene cross-linked with divinylbenzene, giving the particle good durability and chemical stability
- Density of the polymer is 1.05g/cm3 and the index of refraction is 1.59 at 589nm (25°C)
- Particles are packaged as an aqueous suspension in 15mL dropper-tipped vials
- Excellent for use with any application that requires a NIST traceable size standard with a very narrow standard deviation
Spezifikation
| Contains trace amount of surfactants | |
| White or Colorless | |
| Polystyrene Divinylbenzene (PS-DVB) | |
| Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST | |
| 15 mL | |
| s = 1.7 µm, 6.8% CV | |
| 25 μm |
| Store at room temperature or keep refrigerated. Keep bottle tightly sealed to avoid contamination. | |
| Narrow Size Standard Deviation Applications | |
| Polymer Particles | |
| 1.05g/cm³ | |
| 1.59 at 589nm (25°C) | |
| =24 months |