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Home > Product > ÆÄƼŬ > Thermo > Standard
Á¦ Ç° ¸í : ChromoSphere-T, Size Standards, colored PS-DVB
Á¦ Á¶ »ç : Thermo
Á¦Ç°ÄÚµå : RD050T
 
   
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ChromoSphere-T Certified Size Standards
 
The Thermo Scientific* ChromoSphere-T Certified Size Standards are colored polymer microspheres with NIST traceable diameters for reference or calibration where high visual contrast is desired.

The Thermo Scientific ChromoSphere-T Certified Size Standards are reference and calibration materials 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
  • The mean diameters of ChromoSphere-T Certified Size Standards are traceable to the standard meter through the National Institute of Standards and Technology (NIST)
  • Calibrated by optical microscopy
  • Microspheres are made from cross-linked polystyrene divinylbenzene (PS-DVB) copolymer
  • Available as dry powders
  • Can easily be dispersed in aqueous media if desired with the aid of a small amount of surfactant or in lower alcohols, such as methanol or ethanol
  • Some dye extraction will result when particles are suspended in pure alcohols, but will be minimal
  • Other organic solvents, such as ethers or chlorinated hydrocarbons, should be avoided because they will swell the particles and completely extract the dye
 
Storage Conditions: Store at room temperature

Recommended for: Reference and calibration materials used in the testing of filtration systems, vial cleaning evaluations, contamination control studies and calibration of injection devices.
 
Specifications
¡¡
Composition Polystyrene Divinylbenzene (PS-DVB)
Particle Density 1.05 g/cm3
Size 1 gram
Stability Product stable for a minimum of 24 months
Additive None
Includes Material Safety Data Sheet (MSDS), Certificate of Calibration and Traceability to NIST
Storage Requirements Store at room temperature or keep refrigerated. Keep bottle tightly sealed to avoid contamination.
 
Cat. No.
 Diameter Size Distribution
¡¡ Red colored dye ¡¡
RD050T 49.1µm ¡¾ 1.5µm s = 3.8µm, 7.7% CV
RD100T 96.0µm ¡¾ 3.2µm s = 7.5µm, 7.8% CV
RD150T 149µm ¡¾ 3.6µm s = 9.0µm, 6.0% CV
RD200T 202µm ¡¾ 3.8µm s = 9.5µm, 4.7% CV
RD300T 301µm ¡¾ 4.0µm s = 10µm, 3.3% CV
RD400T 402µm ¡¾ 6.1µm s = 18µm, 4.4% CV
RD500T 500µm ¡¾ 9.7µm s = 24µm, 4.8% CV
¡¡ Black colored dye ¡¡
BK050T 50.4µm ¡¾ 1.5µm s = 3.9µm, 7.7% CV
BK100T 94.8µm ¡¾ 2.8µm s = 7.1µm, 7.5% CV
BK150T 149µm ¡¾ 4.0µm s = 7.8µm, 5.2% CV
BK200T 199µm ¡¾ 3.8µm s = 10µm, 5.0% CV
BK300T 305µm ¡¾ 7.0µm s = 7.5µm, 2.5% CV
BK400T 402µm ¡¾ 6.1µm s = 18µm, 4.8% CV
BK500T 493µm ¡¾ 9.4µm s = 22µm, 4.5% CV
 

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