Thermo Scientific 4D Series Duke Standards Dry Microsphere Size Standards with a calibration uncertainty < 2.5% of the mean size, are ideally suited to cover instrument calibration procedures to ensure air particle counter sampling measurement inaccuracies are reduced.
Product specifications:
Uniform Polymer Microspheres available sizes in nominal diameter: 3 – 10µm
Polystyrene DVB
NIST traceable
Dry
Color: White
Application: Particle size instrument calibration
Particle Density: 1.05g/cm³
Refractive Index: 1.59 at 589nm (25°C)
Shelf Life: Minimum of 24 months
Unit: 1 gram
| Product Code | Product | Unit | Quotation |
|---|---|---|---|
| 4D-03 | Uniform Polymer Microspheres, 3 µm | 1 gram | |
| 4D-05 | Uniform Polymer Microspheres, 5 µm | 1 gram | |
| 4D-07 | Uniform Polymer Microspheres, 7 µm | 1 gram | |
| 4D-10 | Uniform Polymer Microspheres, 10 µm | 1 gram |