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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HETP (Height Equivalent to the Theoretical Plate)
A measurement of column packing efficiency or integrity, calculated from the column height divided by the number of theoretical plates. (TR14)

Source: TR 14: Validation: Protein Purification Chromatography

Manufacturing Filtration Validation