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Thermo Scientific™ ChromoSphere™-T Certified Size Standards
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Achieve high visual contrast with Thermo Scientific™ ChromoSphere™-T Certified Size Standards, colored polymer microspheres with NIST™-traceable diameters. These reference and calibration materials are used in the testing of filtration systems, vial cleaning evaluations, contamination control studies and calibration of injection devices.
- Internally dyed with deeply colored red or black dyes, resulting in very high contrast and visibility relative to most background materials
- Mean diameters traceable to the standard meter through the National Institute of Standards and Technology (NIST)
- Calibrated by optical microscopy
- Made from cross-linked polystyrene divinylbenzene (PS-DVB) copolymer
- Available as dry powders
- Easily dispersed in aqueous media with the aid of a small amount of surfactant or in lower alcohols, such as methanol or ethanol
- Minimal dye extraction when particles are suspended in pure alcohols
- Other organic solvents, such as ethers or chlorinated hydrocarbons, should be avoided because they will swell the particles and completely extract the dye.
Specifica
Specifica
| Additivo | May contain trace amount of dispersant |
| Certificazione/Conformità | Certificato di calibrazione e tracciabilità NIST |
| Concentrazione | 100% solids |
| Content And Storage | Store at room temperature in a dry area. Store upright and keep bottle tightly sealed. Respiratory protection from dust is recommended. |
| Contenuto | Dry dyed polystyrene (DVB) microspheres |
| Descrizione | Designed for use as reference or calibration materials in applications where high contrast is required. |
| Colore | Black |
| Da utilizzare con (applicazione) | Cleaning Evaluation, High Contrast Reference and Calibration |
| Materiale | Polystyrene Divinylbenzene (PS-DVB) |
| Product Type | Size Standard Particles |
| Vedi altri risultati |
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