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Descrizione
Le sfere di polistirene possono essere sostituite in molte applicazioni con gli standard di particelle in vetro Thermo Scientific™ serie 9000, elementi di vetro asciutto con dimensioni standard riconducibili alle specifiche NIST™. Le microsfere in vetro possono essere utilizzate in tutte le applicazioni che richiedano elementi con dimensioni standard riconducibili alle specifiche NIST™, con una distribuzione densa e in cui le condizioni del campione possano non essere adatte per le sfere in polistirene. Le microsfere in vetro offrono una migliore tolleranza alle sostanze chimiche e ai solventi, oltre ad avere una stabilità meccanica e termica superiore.
- Mean diameters have been calibrated with Thermo Fisher Scientific™'s NIST™-traceable microscopy methods
- Size distribution and uniformity are measured by optical microscopy
- Spheres are used instead of irregularly shaped particles to minimize the response of analytical systems to shape effects
- Products are packaged as dry spheres
- Packages are lot-numbered for convenient technical service and support after the sale
- 9000 Series products from 2μm to 20μm are made from borosilicate glass, have a particle density of 2.5 to 2.55g/cm3 and an index of refraction of 1.56 at 589nm (25°C)
- Products from 30μm to 2000μm are made from soda lime glass, have a particle density of 2.4 to 2.5g/cm3 and an index of refraction of 1.51 at 589nm (25°C)
Includes:
Certificate of Calibration and Traceability to NIST™, including description of the calibration method and its uncertainty, table of chemical and physical properties, and Material Safety Data Sheet with handling and disposal instructions.
Recommended for:
Spacer applications where uniform bond thickness is a necessity.
Note:
Thermo Fisher Scientific™ has its own engineering, production and metrology facilities for better quality control and response to customer needs. In addition to this line of polymer size standards, we also offer calibration standards in silica and glass materials. Ask our technical service department for information about specific applications or other product needs not listed here.
Specifica
Specifica
| Additivo | None |
| Concentrazione | 100% solids |
| Content And Storage | Store at room temperature. Keep bottle tightly sealed to avoid contamination. |
| Contenuto | Dry glass microspheres |
| Descrizione | The 9000 Series is available as uniform particles of borosilicate or soda lime glass in a range of discrete sizes from 2 µm to 2000 µm. Calibrated and certified with NIST traceable mean diameters, they are suited for particle measurement applications. They also have a better tolerance to chemicals and solvents, and a higher mechanical and thermal stability. |
| Colore | White |
| Da utilizzare con (applicazione) | Narrow Size Standard Deviation Applications |
| Materiale | Vetro borosilicato |
| Product Type | Size Standard Particles |
| Include | Certificato di calibrazione e tracciabilità NIST |
| Vedi altri risultati |
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