ASTM D8489
Standard Test Method for Determination of Microplastics Particle and Fiber Size, Distribution, Shape, and Concentration in Waters with High to Low Suspended Solids Using a Dynamic Image Particle Size and Shape Analyzer
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About This Item
ASTM D8489 is a test method for determining microplastics particle and fiber size, distribution, shape, and concentration in waters with high to low suspended solids. It uses a dynamic image particle size and shape analyzer to help characterize microplastics in water samples more consistently. This matters for laboratories and organizations that need clearer, repeatable information on particle counts and morphology when assessing water quality, monitoring contamination, or comparing results across test programs.
Purpose of ASTM D8489
The purpose of ASTM D8489 is to provide a standardized approach for evaluating microplastics in water by measuring key characteristics such as size, distribution, shape, and concentration. The standard is centered on using dynamic image particle size and shape analysis, which supports more structured identification of particles and fibers in waters with varying suspended solids levels. As a technical document, it helps define a consistent testing framework for generating data that is easier to compare, review, and apply in analytical workflows.
Common use cases of ASTM D8489
ASTM D8489 is commonly used in water analysis workflows where microplastics need to be characterized with attention to particle and fiber geometry. It is relevant for laboratories handling samples that contain low to high suspended solids, since sample condition can affect image-based measurement results. The standard may be used in environmental testing programs, method verification, and quality control settings where consistent particle sizing and shape reporting are important. ASTM D8489 also supports instrument-based evaluations using dynamic image analysis systems.
Why ASTM D8489 matters
This ASTM standard matters because it helps bring consistency to microplastics testing in water, where particle size, shape, and concentration can influence interpretation. A standardized method supports better comparability between laboratories, clearer procurement decisions for testing services, and more reliable quality control in analytical programs. It can also reduce uncertainty when evaluating water samples with different suspended solids content. For organizations that need defensible data, ASTM D8489 provides a practical basis for repeatable measurement and reporting.
- Microplastics particle and fiber measurement
- Size, shape, distribution, and concentration
- Water samples with varying suspended solids
- Dynamic image particle analysis workflow
- Publication Date: 2023-05-12
- Publisher: ASTM
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