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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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TR 26: Sterilizing Filtration of Liquids Supply Chain
Pressure
Force applied per unit area, usually expressed as psi, mbar, kPa or kg/cm2. (TR45) (TR26)

Source: TR 26: Sterilizing Filtration of Liquids

Manufacturing Validation Supply Chain

Compatibility
Proof that no adverse interaction between the filter and the process fluid has occurred. (TR26) A term used in relation to the non-reactivity of filter materials with the substance to be filtered. (TR45)

Source: TR 26: Sterilizing Filtration of Liquids

Biotechnology Manufacturing GMP/Good Manufacturing Processes/cGMP Inspections Packaging Science Validation Quality Risk Management/QRM Supply Chain

Back Pressure
Residual pressure opposing the free flow of liquid or gas at the outlet side of the filter. (TR45) Pressure applied downstream of a filter or other piece of equipment. (TR26)

Source: TR 26: Sterilizing Filtration of Liquids

Biotechnology Manufacturing Filtration Microbiology Packaging Science Supply Chain