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Home > Product > ƼŬ > Thermo > Standard

ǰ : 2000 Series, Size Standards, PS-DVB
: Thermo
ǰڵ : 2005A
 
   
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Duke Standards 2000 Series Uniform Polymer Particles

 
Thermo Scientific* Duke Standards 2000 Series Uniform Polymer Particles are uniform, NIST traceable polystyrene DVB particles with wider size distributions which mimic real world particles and work better on laser diffraction type instruments.
 
These polymer particles meet the need for NIST traceable size standards that have slightly wider distributions than our monodisperse 3000/4000 series size standards. They are suitable for laser diffraction and other methods for analyzing wide size range materials. The wider distribution of these particles provides light scatter across a range of detectors, resulting in a more repeatable measurement.
 
The material is composed of polystyrene cross-linked with divinylbenzene. This gives the particle good durability and chemical stability. The density of the polymer is 1.05g/cm3 and the index of refraction is 1.59 at 589nm (25C). The particles are packaged as an aqueous suspension in 15mL dropper-tipped vials.

Recommended for: Excellent for use with any application that requires a NIST traceable size standard with a very narrow standard deviation.
 
Specifications
Compostion Polystyrene Divinylbenzene (PSDVB)
Particle Density 1.05 g/cm3
Refractive Index 1.59 @ 589nm (25C)
Size 15 mL
Stability  24 months
Additive
Contains trace amount of surfactants
Includes Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST
Storage Requirements Store at room temperature or keep refrigerated. Keep bottle tightly sealed to avoid contamination.
 
 
Cat. No. Diameter Size Distribution
2005A 5 µm 0.3 µm s = 0.6, 12% CV
2006A 6.1 µm 0.3 µm s = 0.3 µm, 9.8% CV
2007A 7.0 µm 0.4 µm s = 0.4 µm, 5.7% CV
2008A 7.7 µm 0.4 µm s = 0.06 µm, 7.8% CV
2009A 9.0 µm 0.3 µm s = 0.9 µm, 10% CV
2010A 9.7 µm 0.4 µm s = 0.9 µm, 9.3% CV
2011A 10.9 µm 0.4 µm s = 1.0 µm, 9.2% CV
2014A 14.3 µm 0.7 µm s = 1.4 µm, 9.8% CV
2015A 14.6 µm 0.5 µm s = 1.1 µm, 7.5% CV
2020A 20.9 µm 0.5 µm s = 1.4 µm, 6.7% CV
2025A 26.4 µm 1.2 µm s = 1.9 µm, 7.2% CV
2030A 30.2 µm 1.1 µm s = 2.2 µm, 7.3% CV
2040A 39.6 µm 1.5 µm s = 3.6 µm, 9.1% CV
 

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