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Federal
Microplastic and nanoplastic chemical characterization by thermal desorption and pyrolysis mass spectrometry with unsupervised machine learning
National Institute of Standards and Technology —
This data publication contains the mass spectrometry chemical characterization of microplastic and nanoplastic chemical analysis. The data from this study includes... -
Federal
Brignac et al. Marine Debris Polymers on Main Hawaiian Island Beaches, Sea Surface, and Seafloor Supporting Information
National Institute of Standards and Technology —
Supporting information documents for Brignac et al manuscript entitled, "Marine Debris Polymers on Main Hawaiian Island Beaches, Sea Surface, and Seafloor." Files... -
Federal
SRM 2631a Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 3000 µmol/mol)
National Institute of Standards and Technology —
This Standard Reference Material (SRM) is a primary gas mixture for which the amount-of-substance fraction, expressed as concentration, may be related to secondary... -
Federal
SRM 1953 Organic Contaminants in Non-Fortified Human Milk
National Institute of Standards and Technology —
SRM 1953 Organic Contaminants in Non-Fortified Human Milk - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the...