Traceability and evidential breath analyser.

Author(s)
Montamat, M.
Year
Abstract

For many years, hydroalcoholic solutions have been used for calibration of checking instruments. The partition coefficient was determined by applying Dubowski formula without knowledge of uncertainties for coefficients introduced in such a formula. Traceability of such a procedure is not assumed. A few years ago, BIPM (Bureau International des Poids et Mesures) organized an interlaboratory comparison using dry gases cylinders with very good results. Since then, a new generation of checking instruments which are calibrated with dry gas cylinders has been built. Inside the instruments, a new alcoholic gas manufacturing was introduced which allows us to use dry gases for calibration and wet gases for checking EBA. For the covering abstract of the conference, see ITRD Abstract No. E201067.

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Publication

Library number
C 27946 (In: C 27945) /83 / ITRD E201122 (also at CD-ROM C 27890/C27945/C28028)
Source

In: Alcohol, drugs and traffic safety : proceedings of the 16th ICADTS International Conference on Alcohol, Drugs and Traffic Safety T'2002, Montreal, Canada, August 4-9, 2002, Volume 2, p. 351-357

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