• Organization: U.S. Environmental Protection Agency
• Updated: 2022-01-31

Raw LDIR exported data for microplastics including the surface water samples, air blanks, Super-Q blanks, and field blanks. The aspect ratios determined from the shape standards are included. ...

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• 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: Department of the Interior
• Updated: 2023-01-30T00:00:00Z

Here we report ultra-high resolution infrared mapping of organic matter functional group distribution in Tasmanites (algal microfossils) from the Upper Devonian Ohio Shale using optical...

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• Organization: Department of Agriculture
• Updated: 2026-01-09

These data were used for the manuscript “Simultaneous quantification of β-carotene, anthocyanins, and total phenolics in sweetpotato with visible-near-infrared spectroscopy” by Matthew C. Allan,...

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• Organization: National Institute of Standards and Technology
• Updated: 2021-02-08 00:00:00

Data for generation of figures in "Near-infrared cavity ring-down spectroscopy measurements of nitrous oxide in the (4200)<-(0000) and (5000),<-(0000) bands" DOI:...

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• Organization: National Institute of Standards and Technology
• Updated: 2020-09-18 00:00:00

Data set from peer-reviewed publication: D. M. Bailey et al., Precision spectroscopy of nitrous oxide isotopocules with a cross-dispersed spectrometer and a mid-infrared frequency comb,...

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• Organization: National Institute of Standards and Technology
• Updated: 2023-04-05 00:00:00

Data used in manuscript "Open-path measurement of stable water isotopologues using mid-infrared dual-comb spectroscopy". Contains concentration retrievals from dual comb spectroscopy system at the...

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• Organization: Department of Energy
• Updated: 2025-08-13T20:14:44.919Z

On-line infrared absorbance spectroscopy enables rapid measurement of solution-phase molecular species. Many spectra-to-concentration models exist for spectral data, with some models able to...

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• Organization: National Institute of Standards and Technology
• Updated: 2021-02-17 00:00:00

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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• Organization: U.S. Environmental Protection Agency
• Updated: 2018-06-08

Here we report on a rapid, high throughput approach using fingerprint Fourier transformed infrared (FTIR) spectroscopy and chemometric modeling. Fingerprint FTIR incorporates all information...

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• Organization: National Institute of Standards and Technology
• Updated: 2019-06-26 00:00:00

This dataset contains X-ray EDS (energy dispersive spectroscopy), FTIR (Fourier transform infrared spectroscopy), and DART-MS (Direct analysis in real time mass spectrometry) data and analysis...

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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: 2022-08-28T00:00:00Z

This data record contains a CSV file with spectral reflectance (420-2114 nm) for sediment samples collected from each of four source locations (cropland, stream bank, glaciolacustrine, and street...

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• Organization: National Institute of Standards and Technology
• Updated: 2023-10-03 00:00:00

Data from peer-reviewed publication: G.-W. Truong et al., Mid-infrared supermirrors with finesse exceeding 400 000, Nature Communications. For trace gas sensing and precision spectroscopy,...

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• Organization: Department of Agriculture
• Updated: 2025-02-03

Information on temporal and spatial variation in switchgrass (Panicum virgatum L.) biomass composition as it affects ethanol yield (L Mg–1) at a biorefinery and ethanol production (L ha–1) at the...

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• Organization: Department of Agriculture
• Updated: 2025-12-22

Sorghum is a versatile cereal crop grown the central U.S. especially in Kansas and Texas and is an important grain for feed, biofuel, and food markets. The growing demand for sorghum has increased...

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• Organization: Department of Energy
• Updated: 2020-01-27T23:01:41Z

Polymer-cement experiments were conducted in order to assess the chemical and thermal properties of various polymer-cement composites. This file set includes the following polymer-cement...

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• Organization: Department of the Interior
• Updated: 2023-04-10T00:00:00Z

To refine the use of graptolite and solid bitumen properties as thermal proxies at overmature conditions, we evaluated their evolution via Raman and infrared spectroscopies, reflectance, and...

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

NASA's International Halley Watch (IHW) has created a Comet Halley Archive. The collection of data spans the full wavelength range as submitted by scientists to the IHW. The observations belong to...