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NIST Atomic Weights and Isotopic Compositions with Relative Atomic Masses

Data provided by  National Institute of Standards and Technology

The atomic weights are available for elements 1 through 118 and isotopic compositions or abundances are given when appropriate. Version 3.0.

Tags: Commission on Atomic Weights and Isotopic Abundances,International Union for Pure and Applied Chemistry,SIAM,atomic mass evaluation,Atomic Weights,Elemental Data,elements,mass spectrometry,measurements,physics,relative atomic masses,representative isotopic compositions,statistical evaluation of isotopic abundances,subcommittee for isotopic abundance,

Modified: 2024-02-22

Views: 0

NIST/EPA/NIH Mass Spectral Library with Search Program - SRD 1a

Data provided by  National Institute of Standards and Technology

This database is the product of a multi-year, comprehensive evaluation and expansion of the world's most widely used mass spectral reference library.

Tags: HAPS,chemical analysis,chemical structures,gas chromatography,hazardous air pollutants,mass spectra,mass spectrometry,masses,physics,spectra,structural data,structures,

Modified: 2024-02-22

Views: 0

NIST Greenhouse Gas Data

Data provided by  National Institute of Standards and Technology

Integrated Path Differential Absorption LIDAR Measurement of CO2, CH4, and H2O near 1.6 microns

Tags: greenhouse gases,carbon dioxide,methane,remote sensing,lidar,

Modified: 2024-02-22

Views: 0