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Thermo Scientific™ ChromoSphere™-T Certified Size Standards
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Diameter (Metric):
50 μm
100 μm
150 μm
200 μm
300 μm
400 μm
500 μm
Color:
Black
Red
Size Distribution:
s = 10µm, 5.0% CV
s = 11µm, 3.5% CV
s = 18 µm, 4.4% CV
s = 18µm, 4.8% CV
s = 22µm, 4.5% CV
s = 24µm, 4.8% CV
s = 3.6µm, 7.3% CV
s = 3.8µm, 7.7% CV
s = 7.1µm, 7.5% CV
s = 7.5µm, 2.5% CV
s = 7.5µm, 7.8% CV
s = 7.8µm, 5.2% CV
s = 9.0µm, 6.0% CV
s = 9.5µm, 4.7% CV
Unit Size:
1g
Description
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.
ChromoSphere-T Size Standards were developed for use as reference or calibration materials in applications where a high visual contrast is desired. The product line consists of a large assortment of uniform particle sizes between 50 and 500 microns in either red or black color.
- 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.
Spécification
Spécification
| Additive | May contain trace amount of dispersant |
| Certifications/Compliance | Certificate of Calibration and Traceability to NIST |
| Concentration | 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. |
| Contents | Dry dyed polystyrene (DVB) microspheres |
| Description | Designed for use as reference or calibration materials in applications where high contrast is required. |
| Color | Black |
| For Use With (Application) | Cleaning Evaluation, High Contrast Reference and Calibration |
| Material | Polystyrene Divinylbenzene (PS-DVB) |
| Product Type | Size Standard Particles |
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