![]() ![]() Problems with integrating these data sets are exacerbated problems associated with the identification of chemical species: inconsistent nomenclature, ambiguous or erroneous references to third party registries, and inconsistent conventions for chemical formulas. The greatest technical challenge in the development of the WebBook is the integration of databases from multiple sources into a single collection of data. ![]() The many contributors to the WebBook are identified in the "credits" section of the web page at. ![]() These data include the following: Please follow the steps below to select the data required. Accurate thermophysical properties are available for several fluids. The site also includes two special features: a set of interactive physical property models developed at the NIST Boulder labs and a group additivity based estimator for gas phase thermodynamic properties. Thermophysical Properties of Fluid Systems. It includes a variety of data from NIST and outside contributors. The NIST Chemistry WebBook was established in 1996 and has grown to encompass a wide variety of thermochemical, ion energetics, physical, solubility, spectroscopic, and chromatographic data. Research Activities and Technical Approach Distribute NIST data for chemical systems in manner that is convenient for NIST's customers.Objectiveĭevelop a web site that provides reliable and convenient access to NIST data on chemical systems. Water for injections in bulk is stored and distributed in conditions designed to prevent growth of micro-organisms and to avoid any other contamination. The NIST Chemistry WebBook is intended to help fulfill NIST's mission by distributing such data over the Internet. It is part of NIST's mission to distribute Standard Reference Data to scientists, engineers, educators, and the general public. ![]()
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