• Organization: Department of the Interior
• Updated: 2020-10-08T00:00:00Z

The nanoscale molecular composition of kerogen is a challenging parameter to characterize given the chemical and structural complexity exhibited by this important biopolymer. However, kerogen...

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• Organization: National Institute of Standards and Technology
• Updated: 2011-12-01 00:00:00

The Elemental Data Index provides access to the holdings of NIST Physical Measurement Laboratory (PML) online data organized by element. It is intended to simplify the process of retrieving online...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-09-19 00:00:00

References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current references since the last published...

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• Organization: National Institute of Standards and Technology
• Updated: 2017-11-01 00:00:00

This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-to-date. The Atomic...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-09-19 00:00:00

This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 6000 references, dating from 1889 through current year and is updated regularly in intervals...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-09-19 00:00:00

This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 8000 references, dating from 1914 through current year and is updated regularly in intervals...

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• Organization: Department of the Interior
• Updated: 2025-05-26T00:00:00Z

This data release contains the elemental concentration data for more than 1700 archived stream-sediment samples collected in Alaska. Samples were retrieved from the USGS Mineral Program's sample...

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• Organization: National Institute of Standards and Technology
• Updated: 2004-12-01 00:00:00

This data collection contains 5,228 infrared spectra of different compounds along with chemical structures for most of them. Spectra are provided on a CD-ROM in the JCAMP-DX (Joint Committee for...

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• Organization: Department of the Interior
• Updated: 2020-08-19T00:00:00Z

Solid bitumen is a petrographically-defined secondary organic matter residue produced during petroleum generation and subsequent oil transformation. The presence of solid bitumen impacts many...

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• Organization: Department of the Interior
• Updated: 2021-10-13T00:00:00Z

Nearshore surface sediment was collected with a petit ponar grab sampler between April 22 and September 17, 2015, at five sites in Puget Sound, Washington. Four sites were adjacent to the...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2015-09-25

Total mercury in precipitation collected using ASPS automated wet-only instrument and analyzed by cold vapor atomic fluorescence spectroscopy. This dataset is associated with the following...

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• Organization: National Institute of Standards and Technology
• Updated: 2013-09-01

Data for ground state electron configurations and ionization energies for the neutral atoms (Z = 1-104) including references. Version 2.0.

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• Organization: National Institute of Standards and Technology
• Updated: 2012-01-01 00:00:00

**** Note that this SRD is superseded by SRD 64 Version 4.0. ****The NIST Electron Elastic-Scattering Cross-Section Database provides values of differential elastic-scattering cross sections,...

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• Organization: National Institute of Standards and Technology
• Updated: 2012-01-01 00:00:00

Note that this SRD supersedes SRD 64 Version 3.2. The NIST Electron Elastic-Scattering Cross-Section Database provides values of differential elastic-scattering cross sections, total...

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• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

These data represent the major, minor, and trace element compositions of modern and legacy iron and steel slag from the Chicago-Gary area of Illinois and Indiana, USA.

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• Organization: U.S. Environmental Protection Agency
• Updated: 2018-08-13

Nanomaterials are increasingly used in polymer composites to enhance the properties of these materials. Data are presented from a study of sunlight-induced weathering on potential release of...

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• Organization: Department of the Interior
• Updated: 2023-04-24T00:00:00Z

This child page contains: (a) qualitative compositional data for 3 elements (chromium, manganese, and iron) as determined by X-ray fluorescence spectrometry using a portable instrument (“pXRF”)...

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• Organization: Department of the Interior
• Updated: 2023-03-30T00:00:00Z

This dataset provides geochronologic and geochemical data for selected metasedimentary and associated rock samples collected in the Lane Mountain area about 20 kilometers northeast of Barstow,...

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• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

These data represent the major, minor, and trace element compositions of effluent water samples generated by column experiments of modern and legacy iron and steel slag from the Chicago-Gary area...

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• Organization: Department of the Interior
• Updated: 2023-04-21T00:00:00Z

This page contains (a) bulk synchrotron-based X-ray absorption spectra; (b) microbeam synchrotron-based X-ray fluorescence maps and spectra; and (c) microbeam Raman spectra (and corresponding...

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