Sentences with phrase «over krypton»
They also found that NiDOBDC was more selective than charcoal for xenon over krypton, which is fairly similar to xenon.
https://www.pnnl.gov/ Not exact matches
For example, they want to measure the planet's inventory of stable noble gases, such as xenon and krypton, which change little in abundance over billions of years and hold clues to planetary origins.
Weiss had to distill, heat and pass the air samples over adsorbents to remove gases such as carbon dioxide and krypton that could foul the extremely sensitive detector.
The prevalences and isotope ratios of the noble, or inert, gases, such as neon, argon, krypton and xenon, provide a valuable tracer of ancient processes, because they are chemically nonreactive and so do not change much over time.
Severinghaus discovered that xenon and krypton are well preserved in ice cores, which provides the temperature information that can then be used by scientists studying many other aspects of the earth's oceans and atmosphere over hundreds of thousands of years.