Surface Area & Particle Size Analyzer
Calculate D10, D50, D90, mean diameter, and specific surface area
Particle Size Data Input
Required for surface area calculation.
Sieve Analysis Data
| Sieve Mesh | Opening (μm) | % Retained |
|---|---|---|
Key Definitions
D10, D50, D90
Particle size below which 10%, 50%, 90% of particles fall.
Span
(D90 - D10) / D50 – measures distribution width.
Specific Surface Area
Surface area per unit mass (m²/kg).
Target Ranges
Tablet Formulation
D50: 50–200 μm, Span < 2.0
Inhalation
D50: 1–5 μm, narrow distribution
Analysis Methods
Sieve: Mechanical, >45 μm
Laser diffraction: 0.1–3000 μm
Quality Impact
- • Dissolution: smaller particles dissolve faster.
- • Bioavailability: affects absorption.
- • Flowability: critical for manufacturing.