ASTM D3862
Standard Test Method for Retention Characteristics of 0.2-µm Membrane Filters Used in Routine Filtration Procedures for the Evaluation of Microbiological Water Quality
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About This Item
ASTM D3862 is the standard test method for evaluating the retention characteristics of 0.2-µm membrane filters used in routine filtration procedures for microbiological water quality assessment. It provides a technical basis for checking whether a membrane filter can retain microorganisms effectively during water testing workflows. For laboratories and quality teams, this standard helps support consistent filter selection, performance verification, and more reliable microbiological results when filtration is part of the test process.
What is ASTM D3862?
ASTM D3862 describes a test method focused on the retention performance of 0.2-µm membrane filters. Its purpose is to help determine how well these filters perform in routine filtration procedures used to evaluate microbiological water quality. The standard is centered on filter retention characteristics rather than broader water analysis, making it a practical technical document for users who need to assess filter behavior in a controlled, repeatable way. ASTM D3862 is therefore relevant to product evaluation and compliance-oriented testing.
Where is ASTM D3862 used?
This standard is commonly used in laboratories and testing environments that rely on membrane filtration to assess microbiological water quality. It is especially relevant where 0.2-µm membrane filters are selected for routine procedures and where filter performance must be verified before or during use. ASTM D3862 may support method development, incoming material checks, and quality control activities tied to filtration-based microbiological testing. It is most useful wherever consistent filter retention is important to the validity of the test process.
Why is ASTM D3862 important?
ASTM D3862 matters because filter retention directly affects the reliability of microbiological water quality testing. When a membrane filter does not perform as expected, test results may be less dependable and harder to compare across runs or labs. Using a recognized ASTM standard helps support consistency in testing, procurement decisions, and internal quality control. ASTM D3862 can also reduce uncertainty when selecting or evaluating filters for routine use, making it a practical tool for performance-based assessment.
- Focuses on 0.2-µm membrane filter retention
- Supports microbiological water quality testing
- Useful for routine filtration procedures
- Helps guide filter performance evaluation
- Supports consistent quality control practices
- Publication Date: 2024-11-22
- Publisher: ASTM
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