Article | REF: J6634 V1

Ultra-high vacuum noble gas purification. Purification system

Authors: Laurent ZIMMERMANN, Evelyn FÜRI

Publication date: September 10, 2015

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5. Glossary

CODAP calculation rule

Code providing design, calculation, construction and inspection rules for pressure vessels. CODAP stands for Code de Construction des Appareils à Pression non soumis à la flamme.

R x-y

Resolution required to separate two neighboring X and Y elements by mass spectrometry.

uma

Unit of atomic mass. This is an experimentally obtained value that does not belong to the International System (SI). It is equivalent to ≈ 1.6605 × 10 –27 kg, or 1/12 of the mass of an atom of 12 C.

Sensor accuracy (pressure gauge, analyzer)

A detector's ability to provide a measurement close...

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