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Thermo Scientific™ ChromoSphere™-T Certified Size Standards

Product Code. 11818233 Shop All Thermo Scientific Products
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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
Product Code. Diameter (Metric) Color Size Distribution unitSize
11818233 300 μm Black s = 7.5µm, 2.5% CV 1g
11838223 50 μm Black s = 3.6µm, 7.3% CV 1g
11858223 100 μm Black s = 7.1µm, 7.5% CV 1g
11878223 150 μm Black s = 7.8µm, 5.2% CV 1g
11898223 200 μm Black s = 10µm, 5.0% CV 1g
11838233 400 μm Black s = 18µm, 4.8% CV 1g
11858233 500 μm Black s = 22µm, 4.5% CV 1g
11844902 50 μm Red s = 3.8µm, 7.7% CV 1g
11864902 100 μm Red s = 7.5µm, 7.8% CV 1g
11884902 150 μm Red s = 9.0µm, 6.0% CV 1g
11804912 200 μm Red s = 9.5µm, 4.7% CV 1g
11824912 300 μm Red s = 11µm, 3.5% CV 1g
11844912 400 μm Red s = 18 µm, 4.4% CV 1g
11864912 500 μm Red s = 24µm, 4.8% CV 1g
14 options
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Product Code. 11818233

Brand: Thermo Scientific™ BK300T

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Description

Achieve high visual contrast with Thermo Scientific™ ChromoSphere™-T Certified Size Standards, colored polymer microspheres with NIST™-traceable diameters.

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
Note:
  • Other organic solvents, such as ethers or chlorinated hydrocarbons, should be avoided because they will swell the particles and completely extract the dye.
TRUSTED_SUSTAINABILITY

Specifications

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
Includes Certificate of Calibration and Traceability to NIST
Particle Density 1.05g/cm³
Quantity 1 g
Refractive Index 1.59 at 589nm (25°C)
Size Distribution s = 7.5µm, 2.5% CV
Stability Product stable for a minimum of 24 months
Diameter (Metric) 300 μm
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