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  • Feb 14, 2019
  • Particle Size
  • By PTL

PTL Now Conducting Analyses for Hemp Derived CBD Oil and Emulsions Containing ≤0.3% THC

Particle Technology Labs is now conducting analyses for hemp derived CBD oil and emulsions containing ≤0.3% THC.

Bioavailability, efficacy, and stability are just some characteristics of food and drug formulations that are attributed to specific particle size. At PTL, dynamic light scattering, nanoparticle tracking analysis, and zeta potential are characterization techniques being used to determine particle size and stability in CBD products, specifically those in the nanoparticle range.

For more information, or a quotation for particle analysis on CBD or other material, please email us.

Dynamic Light Scattering

Dynamic Light Scattering (DLS), also known as Photon Correlation Spectroscopy (PCS) and Quasi Elastic Light Scattering (QELS), is one of the most widely used particle sizing distribution techniques for sub-micron material. DLS operates by observing fluctuations in light scattered by suspended sub-micron material.  These fluctuations are relative to the Brownian motion of the particles, which is then used to generate an average particle size. The final result is reported on...

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Nanoparticle Tracking Analysis

Nanoparticle Tracking Analysis (NTA), also known as Particle Tracking Analysis (PTA), is a high-resolution particle size analysis on the sub-micron scale. Analysis is conducted on an aqueously suspended, sub-micron material using the same theory as Dynamic Light Scattering (DLS); however, NTA is more resolute and counts individual particles to construct a particle size distribution.  

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Zeta Potential Analysis

Zeta Potential is the characterization of the electrokinetic potential of liquid-liquid or solid-liquid colloidal dispersions. Under the influence of an electric field, charged particles will exhibit certain electrokinetic effects including electrophoresis, electroosmosis, streaming potential, or sedimentation potential.2 At PTL, zeta potential is measured using either a Zetasizer Nano ZS (Malvern Panalytical) system or Litesizer 500 (Anton Paar) system. Both calculate zeta potential using the principle of electrophoresis.

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