Glossary of Terms

Here you will find a glossary of specialised terms commonly used in thermostating and metrology.

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G

Glass viscometer

Viscometers made from glass, bearing different various designs, standardised in ISO 3105. The most common for automatic measurements is the Ubbelohde version with ventilation pipe.

GLP

Abbreviation for "Good Laboratory Practice". Specifications initiated by the FDA American authority for laboratories and producers (e.g. of pharmaceuticals) regarding how tests and measurements are to be cleanly planned, performed and monitored. The guidelines have a legal character in many countries.

GMP/FDA

In processes in which the reaction temperature or the respective temperature control represent a critical quantity, the temperature control unit has to be qualified and validated. Qualification takes place according to the 'Good Manufacturing Practice' (GMP). If, for example, pharmaceutical products are produced for the American market, the manufacturing process - and with it the process equipment including the temperature control unit - is subject to the requirements of the American 'Food and Drug Administration' (FDA).

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