ASTM D3268

ASTM D3268 is the standard test method for separating and collecting particulate and gaseous fluorides in the atmosphere using a sodium bicarbonate-coated glass tube and particulate filter method. It provides a practical framework for capturing fluoride in both particle and gas phases so results can be evaluated consistently. This makes the standard useful for organizations that need a recognized approach to atmospheric sampling, laboratory analysis, and quality-focused environmental testing.

Overview of ASTM D3268

This ASTM standard describes a test method centered on atmospheric fluoride collection with a coated glass tube and a particulate filter. The title indicates a dual approach for separating particulate and gaseous fluorides, which is important when measurement must account for different forms of fluoride present in air. ASTM D3268 is generally used as a technical reference for controlled sampling and analysis, helping users apply a consistent method when comparing results, documenting findings, or supporting compliance-related testing activities.

Common use cases of ASTM D3268

ASTM D3268 is commonly used in air sampling workflows where fluorides must be collected from the atmosphere in both particulate and gaseous forms. It is relevant to testing programs that rely on a sodium bicarbonate-coated glass tube and a particulate filter to separate and retain the target material before analysis. The standard may be applied in environmental monitoring, laboratory validation, and routine measurement programs where consistent collection methods are needed for dependable fluoride data.

Benefits of using ASTM D3268

Using ASTM D3268 helps support consistency in how atmospheric fluorides are collected and evaluated. A recognized standard method can improve comparability between tests, simplify procurement of the correct sampling approach, and reduce ambiguity in quality control procedures. For organizations managing environmental data or compliance-related measurements, ASTM D3268 offers a clear technical basis for selecting a documented method and helping ensure more reliable, defensible results.

• Atmospheric fluoride collection method
• Separates particulate and gaseous fractions
• Sodium bicarbonate-coated tube approach
• Supports repeatable sampling workflows
• Useful for testing and compliance programs