= David Brynn Hibbert
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= D. Brynn Hibbert
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{synonym}
= Brynn Hibbert
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{synonym}
<David Brynn Hibbert>, also known as <Brynn Hibbert>, is an <analytical chemistry> researcher whose work combines <chemometrics>, electrochemical measurements and <metrological traceability>. His university profile records his tenure in the UNSW analytical-chemistry chair from1987 to2013 and his editorship of the IUPAC terminology compendium known as the Orange Book. The Royal Society of New South Wales explicitly verifies his full name.<David Brynn Hibbert profile at UNSW>[Institutional research summary; linked Presidents’ Profiles, printed p.93, DAVID BRYNN HIBBERT.]{ref}
With <Paul De Bièvre>, <René Dybkær> and <Aleš Fajgelj>, <David Brynn Hibbert> coauthored the IUPAC report on the concepts and implementation of <metrological traceability> in chemical measurement. Its goal was a consistent account of how a result is related to a reference, including the concepts needed to communicate that relationship.<Metrological traceability of measurement results in chemistry: Concepts and implementation by Paul De Bièvre and others>[Publisher byline and Abstract.]{ref}
An original illustration explains the value of a measurement model in <chemometrics>. Suppose two ideal sensors give $x_1=c+b$ and $x_2=c-b$, where $c$ is the target <concentration> and $b$ an interfering response. Their mean recovers $c$, while their difference diagnoses $2b$. If both instead respond as $c+b$, averaging cannot remove the interference. The chemical response model determines what additional measurements identify; having more numbers alone does not guarantee more independent information.
\Image[https://api.research.unsw.edu.au/sites/default/files/images/profile/BrynnFaculty2019.PNG]
{title=<David Brynn Hibbert>, portrait identified by his UNSW profile}
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