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Introduction and Summary Gasoline marketing in this country has undergone significant changes in the last 15 years. In response to these changes, some dealers and other market participants have called for the enactment of divorcement and open supply legislation at both the state and federal levels....
Inventories of Natural Gas Liquids and Liquefied Refinery Gases presents data on the inventory levels of ethane, propane, isobutane, normal butane and pentanes plus. These inventories, located at natural gas plants, refineries, bulk terminals and in underground storage, are...
5.1 Low operating temperature fuel cells such as proton exchange membrane fuel cells (PEFCs) require high purity hydrogen for maximum material performance and lifetime. Analysis to at least 0.05 µmol/mol concentration of total halogenated (measured as methyl fluoride) in hydrogen is...
1.1 This test method describes contaminant determination in fuel-cell-grade hydrogen as specified in relevant ASTM and ISO standards using cavity ring-down spectroscopy (CRDS). This standard test method is for the measurement of one or multiple contaminants including, but not limited to,...
