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Found 389 dataset(s) matching "analytical chemistry".
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M-cresol purple is the most widely used pH indicator dye for seawater pH measurements. Impurities in the indicator are known to absorb strongly at one of the wavelengths used in spectrophotometric...
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This data publication contains the raw, extracted, and derived (e.g., peak areas) mass spectrometry data for explosives, propellants, and post-blast debris. These samples were analyzed by...
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SRM 3122 Lot 230104 electronic files containing the certified value and uncertainty, and the data used to assigned that value.
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The H3O+ PTR-MS PID Library is a collection of product ion distributions (PID) from volatile organic compounds measured from proton-transfer-reaction mass spectrometers (PTR-MS). This library...
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This data base contains the rotational spectral lines observed and reported in the open literature for 55 triatomic molecules through June 1976. The isotopic molecular species, assigned quantum...
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CO2 is studied using dispersed synchrotron radiation in the 650 Å and 840 Å spectral region. The vibrationally resolved photoelectron spectra are analyzed to generate relative vibrational...
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Wavenumber Calibration Tables from Heterodyne Frequency Measurements contains tables of gas-phase infrared transition wavenumbers and their spectroscopic assignments that are appropriate for...
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This database contains the rotational spectral lines observed and reported in the open literature for 91 hydrocarbon molecules through September 1987. The isotopic molecular species, assigned...
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This database contains critically evaluated transition frequencies for the molecular transitions detected in interstellar and circumstellar clouds reported in the literature through mid-2008. The...
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SRM 2693a Electronic files containing assigned values and their uncertainties, and the data used to assign those values.
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This data comprises the information that was used to assign values, the assigned values themselves, and the associated uncertainties. Certificate date 20 May 2024.
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Supporting datasets and algorithms (R-based) for the manuscript entitled "Development of a Tool to Determine the Variability of Consensus Mass Spectra", including an R Markdown script to reproduce...
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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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pyMCR is an open-source software library for performing multivariate curve resolution (MCR) analysis with an alternating regression scheme (MCR-AR). MCR is a chemometric method for elucidating...
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This data publication contains the mass spectrometry chemical characterization of microplastic and nanoplastic chemical analysis. The data from this study includes mass spectra of pure, mixed, and...
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Data set from peer-reviewed publication: A. J. Fleisher et al., Absolute 13C/12C Isotope Amount Ratio for Vienna Pee Dee Belemnite from Infrared Absorption Spectroscopy, Nature Physics....
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RM 8210 Electronic files containing certified values and their uncertainties, and the data used to assign those values.
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EDS spectra measured at E0 = 5 keV for 75 materials are provided along with the standards used for quantification with the NIST DTSA-II software for electron-excited X-ray microanalysis with...
