PARTICLE & MATERIAL ANALYSIS:
Particle Size Analyzer
A particle size analyzer is a device used to determine the size and distribution of particles in a sample, usually based on light scattering techniques.
Particle Size Analyzer
Laser Diffraction
A laser beam passes through a dispersed sample. Small particles scatter light at large angles, while large particles scatter light at small angles. Detectors record this scattering pattern to calculate particle size.
Dynamic Light Scattering (DLS):
Used for nanoparticles, this measures fluctuations in scattered light intensity caused by the Brownian motion of particles in a liquid.
Specifications:
- Typically: 0.01 µm to 3000 µm (Dynamic Light Scattering)
- Nano instruments (DLS): ~0.3 nm to 10 µm
- Laser Diffraction method: 0.01 µm to 5000 µm
- Accuracy: Around ±0.6% to ±1%
- Repeatability: Typically, ±0.1% to ±0.5% RSD
- Sample dispersion: Water and Dry dispersion
- Measurement time: 10-20 seconds
Applications:
-
Pharmaceuticals
• API particle size determination
• Controls dissolution rate & bioavailability
• Used in tablets, suspensions, inhalation products -
Chemicals
• Quality control of powders and pigments
• Ensures uniformity in reactions -
Food Industry
• Particle size of flour, sugar, milk powder
• Affects texture, taste, and stability -
Cosmetics
• Used in creams, lotions, powders
• Ensures smoothness and consistency -
Nanotechnology
• Measurement of nanoparticles
• Used in drug delivery and advanced materials -
Environmental Analysis
• Analysis of soil and water particles
• Monitoring pollution and sediments -
Paints & Coatings
• Controls dispersion and finish quality
• Affects color and gloss -
Cement & Construction
• Particle size of cement and aggregates
• Influences strength and setting time
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