Terminology in Analytical Measurement Introduction to VIM 3
In the world of metrology – the science of measurement and its application – there is a language which has to be learned. The International Vocabulary of Metrology (VIM) was produced to provide a common language, primarily for physical measurements. The third edition (International Vocabulary of Metrology – Basic and General Concepts and Associated Terms (called VIM 3 in this document)) was produced by WG2 of the Joint Committee for Guides in Metrology (JCGM) and published as JCGM 200:2008 and as ISO/IEC Guide 99 [1]. A revised version of JCGM 200 was published in 2012 which is available free of charge from the BIPM website [2]. This revision included only minor corrections which do not affect the concepts described in this Guide, however ISO/IEC Guide 99 has not been updated. The JCGM has also published an online annotated version of the VIM [3]. There are many differences between VIM 3 and earlier editions; one important change is captured in the title with the addition of the word ‘concepts’. VIM 3 is a consistent set of concepts each described by a unique term – the ‘label’ of the concept. It is applicable across all scientific disciplines thus making it relevant to those involved in performing measurements in chemistry and biology. Consistent definitions of concepts with their associated terms and symbols are essential if analysts and customers across the globe are to understand each other
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