• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00

This handbook provides a selection of the most important and frequently used atomic spectroscopic data in an easily accessible format. The compilation includes energy levels, ionization energies,...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-04-22 00:00:00

NIST peptide libraries are comprehensive, annotated mass spectral reference collections from various organisms and proteins useful for the rapid matching and identification of acquired MS/MS...

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• Organization: National Institute of Standards and Technology
• Updated: 2015-07-01 00:00:00

This database provides values of backscattering correction factors (BCF) of homogeneous materials for quantitative surface analyses by Auger electron spectroscopy. These BCFs are obtained from...

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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: 2005-08-01 00:00:00

This is a database of total ionization cross sections of atoms and molecules by electron impact. The cross sections were calculated using the Binary-Encounter-Bethe (BEB) model, which combines the...

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• Organization: National Institute of Standards and Technology
• Updated: 2022-10-14 00:00:00

A SQLite database containing mass absorption coefficient (both discrete and continuous), atomic sub-shell binding energy, X-ray energy, jump ratio, ground-state occupancy, atomic relaxation rate...

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• Organization: National Institute of Standards and Technology
• Updated: 2020-07-25 00:00:00

NeXLCore.jl represents the basic physics related data and algorithms necessary to interpret and understand X-ray emission.

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

A wide range of ion species and velocity distributions are expected to be found as the Giotto spacecraft traverses the coma of Halley's Comet. The outer coma is characterized by the interaction...

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

A wide range of ion species and velocity distributions are expected to be found as the Giotto spacecraft traverses the coma of Halley's Comet. The outer coma is characterized by the interaction...

• Organization: National Institute of Standards and Technology
• Updated: 2013-05-01 00:00:00

A periodic table, containing NIST critically-evaluated data on atomic properties of the elements [SP 966] was designed as a NIST handout for use at exhibitions and trade shows.

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• Organization: National Institute of Standards and Technology
• Updated: 2013-01-01 00:00:00

The NIST/ASME Steam Properties Database is based upon the International Association for the Properties of Water and Steam (IAPWS) 1995 formulation for general and scientific use for the...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-01-01 00:00:00

The NIST Database of Cross Sections for Inner-Shell Ionization by Electron or Positron Impact provides cross sections for ionization of the K shell and of the L and M subshells of neutral atoms of...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

* 1: The Interstellar Boundary Explorer (IBEX) has operated in space since 2008 updating our knowledge of the outer heliosphere and its interaction with the local interstellar medium. Start-time:...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

* 1: The Interstellar Boundary Explorer (IBEX) has operated in space since 2008 updating our knowledge of the outer heliosphere and its interaction with the local interstellar medium. Start-time:...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

* 1: The Interstellar Boundary Explorer (IBEX) has operated in space since 2008 updating our knowledge of the outer heliosphere and its interaction with the local interstellar medium. Start-time:...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

* 1: The Interstellar Boundary Explorer (IBEX) has operated in space since 2008 updating our knowledge of the outer heliosphere and its interaction with the local interstellar medium. Start-time:...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

* 1: The Interstellar Boundary Explorer (IBEX) has operated in space since 2008 updating our knowledge of the outer heliosphere and its interaction with the local interstellar medium. Start-time:...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

* 1: The Interstellar Boundary Explorer (IBEX) has operated in space since 2008 updating our knowledge of the outer heliosphere and its interaction with the local interstellar medium. Start-time:...

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• Organization: Department of Energy
• Updated: 2025-08-13T18:44:35.461Z

The objective of this example case was to maximize peak height and minimize peak width of 11 iodinated standards analyzed using gas chromatography-mass spectrometry (GC-MS). Seven parameters...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

* 1: The Interstellar Boundary Explorer (IBEX) has operated in space since 2008 updating our knowledge of the outer heliosphere and its interaction with the local interstellar medium. Start-time:...

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