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Particle Analysis & Agglomeration Study Uses CPS Disc Centrifuge

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Langmuir published a study Mar. 3, 2019 online that used the CPS Disc Centrifuge as the standard in differential centrifugal sedimentation. The study, “Sticky Measurement Problem: Number Concentration of Agglomerated Nanoparticles,” sought to expand researchers’ understanding of measurement techniques available to nanoparticles.

According to the study, commercial reference materials often exhibit agglomeration, yet there is a lack of guidelines for dealing with nonideal samples. The current study seeks to expand the understanding of how agglomeration impacts measurement across visible spectroscopy, differential centrifugal sedimentation, dynamic light scattering, particle tracking analysis, and single-particle inductively coupled plasma mass spectrometry. The CPS Disc Centrifuge was the differential centrifugal sedimentation instrument used.

The lead author, Dr. Caterina Minelli of the UK’s National Physical Laboratory, directs the lab’s efforts to standardize nanoparticle measurement internationally. Dr. Minelli has previously said, “The CPS technique is very precise and produces particle size distributions with extremely high resolution.”

Around the world, researchers rely on CPS Instruments when accuracy matters most. The CPS disc centrifuge provides a higher resolution than light scattering or particle counting methods at a much faster rate of analysis than competitive sedimentation-based particle sizing instruments. Whether replacing an aging system or increasing capacity with a new system, an investment in a CPS disc centrifuge is an investment in consumer confidence.

About Us

CPS Instruments provides researchers and scientists in various industries with the world's fastest, highest resolution, and most sensitive Disc Centrifuge particle size analyzers.

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