PDA Technical Glossary
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PDA Technical Glossary

PDA Technical Reports are highly valued membership benefits because they offer expert guidance and opinions on important scientific and regulatory topics and are used as essential references by industry and regulatory authorities around the world. These reports include terms which explain the material and enhance the reader’s understanding.

The database presented here includes the glossary terms from all current technical reports. The database is searchable by keyword, topic, or by technical report. Each definition provided includes a link to the source technical report within the  PDA Technical Report Portal.

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M TR 85: Enhanced Test Methods - Visible Particle Detection/Enumeration Closures/Containers
Membrane
A thin, microporous medium used to remove particles and microorganisms from a fluid stream under pressure. (TR26) Analytical technique to collect particles from a liquid sample on a membrane filter followed by manual examination (sizing and counting) with a microscope. (TR85)
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