Sunday, 29 March 2020

Qualification of GC Equipment


EDQM has posted new guidance on the qualification of gas chromatography equipment.

The document is the second Annex of the core document “Qualification of Equipment”, and it should be used in combination with it when planning, performing and documenting the GC equipment qualification process.

The core document contains the general introduction and the Level I and II of qualification, common to all type of instruments, and the present annex contains GC instrument-related recommendations on parameters to be checked and the corresponding typical acceptance limits, as well as practical examples on the methodology that can be used to carry out these checks.

Level III (Periodic and motivated instrument calibration/checks) and IV (In-use instrument checks) qualifications must be carried out as an ISO 17025 requirement.

The tests proposed in the Level III and IV of qualification are based on an overall approach, in which several parameters are checked at the same time in a combined test procedure, to obtain information on the overall system performance (e.g. peak area precision, retention time precision, temperature programme reproducibility, etc). Nevertheless, it should be noted that it is also acceptable to check these parameters individually by using other well-defined procedures.

Requirements and (if applicable) corresponding typical acceptance limits (given in bold) should be applied; however other appropriately justified approaches are acceptable. Exemplary procedures provided in this document have non-binding character. They can be helpful when carrying out the required qualification.

Nevertheless, it is left to the professional judgement and background experience of each OMCL to decide on the most relevant procedures to be undertaken in order to provide evidence that their GC systems are working properly and are suitable for their intended use. If the qualification of equipment is done by the manufacturer or an external service provider, it is the responsibility of the OMCL to make sure that this is in line with the requirements set out in this guideline.

For details, see EDQM

Posted by Dr. Tim Sandle, Pharmaceutical Microbiology Resources (http://www.pharmamicroresources.com/)

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