ASTM D6561
Standard Test Method for Determination of Aerosol Monomeric and Oligomeric Hexamethylene Diisocyanate (HDl) in Air with (Methoxy-2–phenyl-1) Piperazine (MOPIP) in the Workplace
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About This Item
ASTM D6561 is the standard test method for determining aerosol monomeric and oligomeric hexamethylene diisocyanate (HDI) in air with (methoxy-2-phenyl-1) piperazine (MOPIP) in the workplace. It is used to support reliable measurement of airborne HDI-related species where exposure assessment and air monitoring matter. By providing a defined test approach, this ASTM standard helps users compare results more consistently and supports workplace evaluation, compliance efforts, and technical decision-making.
ASTM D6561 standard overview
This standard focuses on the determination of aerosol monomeric and oligomeric hexamethylene diisocyanate in workplace air using MOPIP as part of the analytical approach. In practical terms, ASTM D6561 provides a technical framework for measuring a specific airborne chemical target rather than a general air quality screen. That makes it especially relevant when consistent sampling and analysis are needed for HDI-related exposure assessment, documentation, or quality-controlled testing workflows.
Where is ASTM D6561 used?
ASTM D6561 is commonly used in workplace environments where airborne HDI aerosols may be present and where monitoring is needed to understand exposure conditions. It is most relevant to air sampling and laboratory analysis workflows that evaluate monomeric and oligomeric HDI in air. The standard may also support industrial hygiene programs, routine verification activities, and technical assessments where measured results need to be handled in a consistent and defensible way.
Practical importance of ASTM D6561
In practice, ASTM D6561 helps bring consistency to the measurement of a specific workplace airborne contaminant. That matters for compliance-related monitoring, comparison of results over time, and quality control in testing programs. Using a recognized ASTM standard can also reduce ambiguity in procurement and reporting by defining a common method for determining HDI species in air. For organizations managing exposure risk, it supports more dependable technical evaluation.
- Workplace air measurement for HDI aerosols
- Monomeric and oligomeric species determination
- MOPIP-based analytical workflow
- Exposure assessment and reporting support
- Consistency in compliance-oriented testing
- Publication Date: 2020-08-04
- Publisher: ASTM
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