OECD TG 110: Particle Size Distribution / Fiber Length and Diameter Distribution
Unlocking microscopic insights to ensure environmental safety and regulatory excellence.
The physical form of a substance is a primary determinant of its behavior in the environment and its potential biological impact. At Weshin Test Technology , we provide specialized analysis following the OECD Test Guideline 110 (TG 110) to characterize the particle size and fiber morphology of your materials.
The Critical Role of Particle and Fiber Characterization
For solid chemicals and industrial powders, understanding the size distribution is essential for:
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Inhalation Toxicity Profiling: Identifying the fraction of particles capable of reaching the deep respiratory tract.
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Environmental Fate Assessment: Predicting how substances disperse or settle in different environmental compartments.
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Product Performance: Optimizing the surface area and reactivity for industrial applications.
Our Testing Services
We offer comprehensive solutions as outlined in OECD TG 110:
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Particle Size Distribution (PSD): Determining the effective hydrodynamic diameter across a broad range of particle sizes.
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Fiber Distribution Analysis: Detailed measurement of length and diameter for fibrous materials to calculate critical aspect ratios.
Advanced Methodology
Depending on the sample characteristics, we utilize several standardized techniques:
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Sieving: For coarse materials and bulk powders.
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Sedimentation Techniques: Based on Stokes' Law for fine particle analysis.
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Microscopy & Light Scattering: For high-precision mapping of particle shapes and fiber dimensions.
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