Revision of Chapter 14.1 of the API Manual of Petroleum Measurement Standards (MPMS) was published in June 2001. This revision is the result of 7 years of an extensive natural gas sampling methods ...

A new laser-based device can scan almost any sample of gas and detect its molecular ingredients down to concentrations in the parts per trillion. Expert sommeliers can take a whiff of a glass of wine ...

Samples of natural gas taken before it was burned for cooking in homes in the Boston area contained 296 chemical compounds, including 21 that are toxic to humans, researchers led by the Harvard T.H.

Tiny concentrations Qizhong Liang in Jun Ye's lab at JILA on the campus of the University Colorado Boulder. Liang and colleagues have developed a new technique for measuring trace concentrations of ...

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