ASTM D8401
Standard Test Method for Identification of Polymer Type and Quantity of Microplastic Particles and Fibers in Waters with High to Low Suspended Solids Using Pyrolysis-Gas Chromatography/Mass Spectrometry
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About This Item
ASTM D8401 is the standard test method for identifying polymer type and quantity of microplastic particles and fibers in waters with high to low suspended solids using pyrolysis-gas chromatography/mass spectrometry. It is designed to support consistent analysis of microplastics in water samples where suspended solids may affect measurement. By defining a structured approach for both identification and quantification, this ASTM standard helps laboratories and decision-makers compare results more reliably across different water conditions.
Overview of ASTM D8401
This standard focuses on a laboratory test method that uses pyrolysis-gas chromatography/mass spectrometry to determine the polymer type and amount of microplastic particles and fibers in water. The title indicates applicability across waters with varying suspended solids, which suggests relevance for samples that are relatively clean as well as those containing more particulate matter. ASTM D8401 is therefore a technical document intended to support repeatable microplastic testing and more consistent reporting of analytical results.
Common use cases of ASTM D8401
ASTM D8401 is commonly used in analytical workflows involving water samples where microplastic particles or fibers must be identified and measured. It may be applied in laboratory testing programs that compare polymer types, evaluate suspended-solids effects on results, or support method-based quality control. The standard is also useful when selecting a consistent procedure for sample analysis, especially in studies or monitoring programs that require defensible quantification of microplastics in water.
Benefits of using ASTM D8401
Using ASTM D8401 can help improve consistency in how microplastic particles and fibers are identified and quantified, which is important for compliance-oriented testing, procurement decisions, and technical evaluation. A standardized method may reduce ambiguity in reporting and support better comparison between laboratories or sample sets. For organizations working with water testing data, the standard can also help strengthen quality control, support traceable results, and reduce risk from inconsistent analytical practices.
- Pyrolysis-GC/MS based test method
- Microplastic particles and fibers in water
- Polymer type identification and quantity measurement
- Applicable across high to low suspended solids
- Supports standardized laboratory reporting
- Publication Date: 2024-04-11
- Publisher: ASTM
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