• Organization: Department of Commerce
• Updated: 2015-09-04 00:00:00

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...

• Organization: National Institute of Standards and Technology
• Updated: 2015-09-04 00:00:00

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...

• Organization: National Aeronautics and Space Administration
• Updated: 2026-01-13

This data set contains monthly values of the total exposed land area of seasonally frozen ground and annual values for intermittently frozen ground in the Northern Hemisphere. Seasonally frozen...

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• Organization: Department of Commerce
• Updated: 2015-08-21 00:00:00

Standard Reference Material 3949 Folate Vitamers in Frozen Human Serum

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• Organization: National Institute of Standards and Technology
• Updated: 2015-08-21 00:00:00

Standard Reference Material 3949 Folate Vitamers in Frozen Human Serum

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-01-13

This dataset documents a nine-year study to investigate the seasonal and annual dynamics of frozen ground and explore the relationship with environmental factors. The presence/absence of frozen...

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• Organization: Department of Commerce
• Updated: 2017-01-05 00:00:00

SRM 2973 Vitamin D Metabolites in Frozen Human Serum (High Level) - This Standard Reference Material (SRM) is intended for use as an accuracy control in the critical evaluation of methods for...

• Organization: Department of Commerce
• Updated: 2017-01-05 00:00:00

SRM 972a Vitamin D Metabolites in Frozen Human Serum - This Standard Reference Material (SRM) is intended for use as an accuracy control in the critical evaluation of methods for determining the...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-05 00:00:00

SRM 972a Vitamin D Metabolites in Frozen Human Serum - This Standard Reference Material (SRM) is intended for use as an accuracy control in the critical evaluation of methods for determining the...

• Organization: Department of the Interior
• Updated: 2024-01-22T00:00:00Z

Depth to frozen soil measurements taken by a variety of collaborators at the Alaskan Peatland EXeriment (APEX) bog/permafrost plateau site. Data is from 2018 - 2023.

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• Organization: National Institute of Standards and Technology
• Updated: 2017-01-05 00:00:00

SRM 2973 Vitamin D Metabolites in Frozen Human Serum (High Level) - This Standard Reference Material (SRM) is intended for use as an accuracy control in the critical evaluation of methods for...

• Organization: National Institute of Standards and Technology
• Updated: 2015-09-04 00:00:00

SRM 1950 Metabolites in Frozen Human Plasma - This Standard Reference Material (SRM) is intended primarily for validation of methods for determining metabolites such as fatty acids, electrolytes,...

• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

An improved method of marinating and reconstituting meat from trims of fish, poultry, pork, beef or the like comprises the steps of freezing the trims, adding marinade to the frozen trims and...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-05-17

Results of biochemical methane potential (BMP) assay on frozen and unfrozen synthetic feces. Accompanying data, such as modeled energy demands are reported. This dataset is associated with the...

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• Organization: National Institute of Standards and Technology
• Updated: 2016-09-02 00:00:00

SRM 3669 Arsenic Species in Frozen Human Urine (Elevated Levels) - This Standard Reference Material (SRM) is intended primarily for validating analytical methods and measurements for the...

• Organization: Department of Commerce
• Updated: 2016-09-02 00:00:00

SRM 3669 Arsenic Species in Frozen Human Urine (Elevated Levels) - This Standard Reference Material (SRM) is intended primarily for validating analytical methods and measurements for the...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-06 00:00:00

SRM 3672 Organic Contaminants in Smokers' Urine (Frozen) - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the determination of selected...

• Organization: Department of Commerce
• Updated: 2015-09-04 00:00:00

SRM 1950 Metabolites in Frozen Human Plasma - This Standard Reference Material (SRM) is intended primarily for validation of methods for determining metabolites such as fatty acids, electrolytes,...

• Organization: Department of Commerce
• Updated: 2017-01-06 00:00:00

SRM 3672 Organic Contaminants in Smokers' Urine (Frozen) - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the determination of selected...

• Organization: National Institute of Standards and Technology
• Updated: 2017-01-06 00:00:00

SRM 3673 Organic Contaminants in Non-Smokers' Urine (Frozen) - This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the determination of selected...