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• Organization: Department of the Interior
• Updated: 20231017 | Harvested: July 18, 2025 at 02:45 AM

These data were collected using field portable (handheld) X-ray fluorescence (pXRF) equipped with a 4-watt Ta/Au X-ray tube on two National Institute of Standards and Technology (NIST) certified...

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• Organization: Department of Energy
• Updated: 2025-01-21T22:07:26Z | Harvested: June 28, 2025 at 03:37 AM

Corresponding Standard Reference Material Data used in Partial Least Squares Regression Models for Sugar Composition Estimates in Biomass in: Economic Impact of Yield and Composition Variation in...

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• Organization: Department of the Interior
• Updated: 20240826 | Harvested: July 16, 2025 at 01:19 AM

Two spectroradiometers, a Malvern Panalytical Analytical Spectral Devices FieldSpec® 4 Hi-Res (hereafter referred to as ASD spectrometer) and a high sensitivity spectrometer, OCEAN-HDX-VIS-NIR®,...

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• Organization: National Institute of Standards and Technology
• Updated: 2023-12-22 00:00:00 | Harvested: June 27, 2025 at 08:04 PM

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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• Organization: Department of the Interior
• Updated: 20250711 | Harvested: August 25, 2025 at 08:11 PM

Sediment particles can strongly bind metals, effectively repartitioning them from solution to a solid phase. As a result, sediments may accumulate and retain metals released to an aquatic...

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• Organization: National Institute of Standards and Technology
• Updated: 2016-09-06 00:00:00 | Harvested: June 27, 2025 at 07:00 PM

Standard Reference Material 200b Potassium Dihydrogen Phosphate (KH2PO4) - This Standard Reference Material (SRM) is a highly purified and homogeneous lot of crystalline potassium dihydrogen...

• Organization: National Institute of Standards and Technology
• Updated: 2016-09-06 00:00:00 | Harvested: June 27, 2025 at 07:05 PM

Standard Reference Material SRM 915c Calcium Carbonate - This Standard Reference Material (SRM) is intended for use as an analytical standard of known purity. It is intended primarily for use in...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-09 00:00:00 | Harvested: June 27, 2025 at 07:01 PM

Standard Reference Material 2718a Green Petroleum Coke - This Standard Reference Material (SRM) is intended primarily for use in the calibration of apparatus and the evaluation of techniques used...

• Organization: National Institute of Standards and Technology
• Updated: 2017-09-01 00:00:00 | Harvested: June 27, 2025 at 06:56 PM

The Standard Reference Simulation Website is an ongoing project whose aim is to provide well-documented simulation results for a variety of systems and from various simulation techniques. The data...

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• Organization: National Institute of Standards and Technology
• Updated: 2017-01-05 00:00:00 | Harvested: June 27, 2025 at 07:01 PM

Standard Reference Material 2719 Calcined Petroleum Coke - This Standard Reference Material (SRM) is intended primarily for use in the calibration of apparatus and the evaluation of techniques...

• Organization: National Institute of Standards and Technology
• Updated: 2016-09-06 00:00:00 | Harvested: June 27, 2025 at 07:03 PM

This Standard Reference Material (SRM) is intended as a primary standard for the quantitative determination of chloride using anion ion chromatography (IC) or other methods. A unit of SRM 3182...

• Organization: National Institute of Standards and Technology
• Updated: 2016-09-06 00:00:00 | Harvested: June 27, 2025 at 07:03 PM

This Standard Reference Material (SRM) is intended as a primary standard for the quantitative determination of nitrate using anion ion chromatography (IC) or other methods. A unit of SRM 3185...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-05 00:00:00 | Harvested: June 27, 2025 at 07:01 PM

Standard Reference Material 2689 Coal Fly Ash - This Standard Reference Material (SRM) is intended for use in the evaluation of analytical methods used for the classification of coal fly ash and...

• Organization: National Institute of Standards and Technology
• Updated: 2016-09-06 00:00:00 | Harvested: June 27, 2025 at 07:03 PM

This Standard Reference Material (SRM) is intended as a primary calibration standard for the quantitative determination of fluoride using anion ion chromatography (IC) or other methods. A unit of...

• Organization: National Institute of Standards and Technology
• Updated: 2016-09-06 00:00:00 | Harvested: June 27, 2025 at 07:03 PM

This Standard Reference Material (SRM) is intended as a primary calibration standard for the quantitative determination of bromide using anion ion chromatography (IC) or other methods. A unit of...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-05 00:00:00 | Harvested: June 27, 2025 at 07:01 PM

Standard Reference Material 2690 Coal Fly Ash - This Standard Reference Material (SRM) is intended for use in the evaluation of analytical methods used for the classification of coal fly ash and...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-05 00:00:00 | Harvested: June 27, 2025 at 07:01 PM

Standard Reference Material 2691 Coal Fly Ash - This Standard Reference Material (SRM) is intended for use in the evaluation of analytical methods used for the classification of coal fly ash and...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-05 00:00:00 | Harvested: June 27, 2025 at 07:02 PM

Standard Reference Material 2776 Sulfur in Furnace Coke - This Standard Reference Material (SRM) is intended primarily for use in the evaluation of test methods and for the calibration of...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-05 00:00:00 | Harvested: June 27, 2025 at 07:02 PM

Standard Reference Material 2775 Sulfur in Foundry Coke - This Standard Reference Material (SRM) is intended primarily for use in the evaluation of test methods and for the calibration of...

• Organization: National Institute of Standards and Technology
• Updated: 2015-09-04 00:00:00 | Harvested: June 27, 2025 at 07:05 PM

Standard Reference Material 909c Frozen Human Serum - This Standard Reference Material (SRM) is intended primarily for use in validating analytical methods for the determination of specified...