Download Analytical Measurement Terminology: Handbook of Terms Used by E. Prichard PDF

By E. Prichard

Chemists in academia and clarify terminology ordinary in analytical chemistry, supplying additional information than the straightforward definition yet no longer explaining tips on how to make measurements. They contain definitions which are now not present to assist readers of older records. Examples are supplied commonly. The cross-referencing is considerable. dispensed within the US via Springer Verlag.

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Extra info for Analytical Measurement Terminology: Handbook of Terms Used in Quality Assurance of Analytical Measurement

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2 Horizontal audit and vertical audit A typical way to perform a quality audit is to select a group of samples that have been tested, follow their progress through each stage of the analytical process, including all aspects of the analysis from the receipt of the samples to the final report to the customer. This is called a vertical audit. A horizontal audit examines one aspect of the analysis. For example, a horizontal audit might check the balance used to weigh samples for analysis. Is the balance calibration checked as required by the quality system?

3 Documentation There are several reasons why a quality system must be fully documented. Firstly it is a pre-requisite of most quality standards. Secondly, in most laboratories it would be impossible to accurately remember and hence communicate all of the analytical methodology and quality management procedure to staff. This would lead to the quality system becoming compromised due to staff turnover. 1) requires a precise definition of the planned quality system. This is provided by the documentation.

In this respect it replaces the UK’s NAMAS MlO/Mll (National Accreditation of Measurement and Sampling) standard. In the UK the United Kingdom Accreditation Service (UKAS) acts as the accrediting body for the NAMAS standard and will continue to do so for I S 0 17025 when the NAMAS standard is superseded. Other standard protocols to which an analytical laboratory may need to seek compliance include GLP (Good Laboratory Practice), GMP (Good Manufacturing Practice) and CPA (Clinical Pathology Accreditation).

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