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APS-100: Total Particle Size Analysis

The MATEC APS-100 produces PSD data simultaneously with acoustic attenuation and sound speed spectra, percent solids, pH, conductivity, and temperature usind un diluted highly concentrated samples.

The APS produces PSD data from acoustic attenuation spectroscopy measurements without the need for sample dilution. The APS also measures sound speed spectra, pH, conductivity, and temperature of samples in the particle size range of 5 nm to 100 microns.

As sound travels through a slurry or colloid, it is attenuated. The level of attenuation is related to the particle size distribution. The APS measures acoustic attenuation very accurately over the 1-100 MHz frequency range. Because sound travels through all material media, APS acoustic attenuation measurements can be made on high-concentration and/or opaque samples. Particle settling is not a problem since samples can be stirred or pumped during the measurement. APS analysis is independent of the sample's Zeta potential level. The APS readily analyzes particles of zero, as well as, high electric charge.

Applications

The APS can be used in a wide range of R&D, as well as industrial production environments. Typical applications include:

  • Semiconductor Chemical Mechanical Polishing (CMP) slurries
  • Detect wafer-scratching oversized particles directly, or determine the slurry's actual, detailed PSD
  • Ceramics
  • Inks
  • Emulsion stability,
  • Pharmaceuticals
  • Biocolloids
  • Organic and Inorganic Pigments such as Ti02 and Carbon Black
  • Polymer Latex 

Follow the Link for Data sheet.

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