Difference between revisions of "Barometric pressure"
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Revision as of 06:01, 2 February 2016
- high-resolution terminology - matching measurements at high-resolution
Barometric pressure
Description
Barometric pressure, pb, is an important variable to be measured for calibrating oxygen sensors in solutions that are equilibrated with air. The atm-standard pressure (1 atm = 760 mmHg = 101.325 kPa) has been replaced by the standard pressure of 100 kPa. The partial pressure of oxygen, pO2, in air is a function of barometric pressure, which changes with altitude and locally with weather conditions. The partial oxygen pressure declines by 12% to 14% per 1,000 m up to 6,000 m, and by 15% to 17% per 1,000 m between 6,000 and 9,000 m. An electronic pressure transducer is built into the OROBOROS Oxygraph-2k as a basis for accurate air calibrations in high-resolution respirometry.
Abbreviation: pb
Reference: MiPNet06.03 POS-Calibration-SOP
MitoPedia methods: Respirometry, "DatLab" is not in the list (Respirometry, Fluorometry, Spectrophotometry) of allowed values for the "MitoPedia method" property. DatLab
