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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Mass Spectroscopy
An analytical test method for identifying the chemical composition of a sample by separating its gaseous component ions according to their mass and charge. (TR26)
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Materials of Construction
Polymers or other materials that make up the components of the filter. (TR26)
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Medium
In filtration, the porous material which retains particles as a fluid passes through during the process of filtration (TR26)
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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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Microorganism
A microbe; a free-living organism too small to be seen by the naked eye. (TR45) (TR26)