Particle sizing is a critical production process. Particle size distribution is significant for quality control, quality assurance and performance testing. Examples of this can include: catalyst on catalytic result; cement curing time and ultimate strength; mineral composition and quality and performance; for coating effect and surface luster for painting applications; for determining medicinal taste, absorption rate and curative effect, etc. Therefore effective particle size distribution control in powder processing is priority number one for quality assurance, public health and safety, reduction of energy consumption and control of product waste. Therefore effective control of particle size distribution in powder processing and application is important for quality improvement, protection of public health, reduction of energy consumption and control of environment pollution.
The BT-2003 laser particle size analyzer (LPSA) from Angstrom Advanced is a new model particle size analyzer working on the basis of laser scattering theory. It includes analyzer itself, sample preparation device and computer system, etc. The sample is carried to the testing zone in the analyzer by the sample preparation device, after laser illumination, scattered light signals are detected and transformed into an electric signal. This signal is then transmitted to the computer by USB or RS232 to be processed by special particle size test software on the basis of Mie theory to obtain result of particle size distribution.
Features
Features of the BT-2003 laser particle size analyzer include:
- Advanced manufacturing techniques makes the instrument compact, graceful in appearance and thus convenient for use and maintenance. Effective anti-interference technology improves electrical stability and reduces fault rate.
- Two sample feeding modes: small cell and automatic circulating & dispersing system (ACDS). Selectable by the user with easy replacement.
- Mie scattering and Fraunhoffer diffraction theories are applied in data processing. Both include R-R distribution and random distribution for selection.
- Interior computer-controlled self-alignment system performs automatic lens focus to improve accuracy; Exterior ACDS makes sample preparation more convenient.
- Specially designed light receiver array with 76 detectors improves resolution. User-friendly interface of test software make operation easy including saving of results, locating details, comparison, merging, editing, deleting, help, etc.
- Six report forms in English including cumulative particle size distribution data and graph, frequency particle size distribution data, histogram and typical particle diameter range such as D3, D10, D25, D50, D75, D84, D90, D97, D98, etc. Layout, color, and font of the report are editable.
Applications
The BT-2003 laser particle size analyzer is suited to applications such as
- Non-metallic powders such as calcium carbonate, talcum powder, kaolin, zirconium silicate, wollastonite, graphite, silica powder, tourmaline, mica, barite, plaster, bentonite, diamond, quartz, diatomite, feldspar, calamite, clay, garnet, vermiculite, Titanium white power, etc.
- Metallic powder such as aluminum powder, iron powder, magnesium powder, molybdenum powder, copper powder, zinc powder, other rare metal power and varied alloy powder, etc
- Pharmaceutical, agricultural pesticide, grinding particle, foodstuff, scientific research, teaching, cement, ceramic, glass, chemical industry, military industry, soil, pigment, oil exploration, geological analysis, river silt and electronic particle, etc.
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