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Coulter Principle
The Coulter Principle utilizes an electric field to sense particles drawn by fluid flow through an aperture of defined size and measures the electric pulses generated. The pulses are then converted for size distribution and concentration measurements of particle suspended solutions. The Coulter Principle is the basis for any Coulter Counter instrument and is widely used in fields such as hematology where cell counts are important.
Typical Experimental Results:
Applications:
| Abrasives | Air Contamination | Bacteria |
| Beverages | Biomedical Industry | Biotechnology |
| Cell Biology | Ceramics | Chemical-Mechanical Polishing |
| Chromatographic Material | Clays | Construction Industry |
| Cosmetics | Electronic Industry | Emulsion |
| Environmental | Filtration & Filter Efficiency | Food Industry |
| Fuel | Hydraulic Fluids | Marine Biology |
| Metals | Microspheres | Paints & Pigments |
| Paper Industry | Pesticides | Petrochemical Industry |
| Pharmaceuticals | Photo Industry | Powder Metallurgy |
| Toners | Vaccines | Water Contamination |
For more information please read our application notes.
Instruments: Beckman Coulter Multisizer 4
Key Specifications:
| Particle Sizing Range | 0.2 to 1600 μm diameter |
| Size Accuracy | ±0.4% of aperture size |
| Number of Size Channels | Up to 400 |
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