Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means youโ€™ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content

Try the next-generation Data Catalog at catalog-beta.data.gov and help shape it with your feedback.

53 datasets found
  • Federal

    SRM 1950 Metabolites in Frozen Human Plasma

    National Institute of Standards and Technology —

    SRM 1950 Metabolites in Frozen Human Plasma - This Standard Reference Material (SRM) is intended primarily for validation of methods for determining metabolites such...
  • Federal

    SRM 2776 Sulfur in Furnace Coke

    National Institute of Standards and Technology —

    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...
  • Federal

    SRM 1635a Trace Elements in Coal (Subbituminous)

    National Institute of Standards and Technology —

    SRM 1635a Trace Elements in Coal (Subbituminous) - This Standard Reference Material (SRM) is intended primarily for the evaluation of techniques used in the analysis...
  • Federal

    SRM 2692c Bituminous Coal (Nominal Mass Fraction 1 % Sulfur)

    National Institute of Standards and Technology —

    SRM 2692c Bituminous Coal (Nominal Mass Fraction 1 % Sulfur) - This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques...
  • Federal

    Enterococcus Digital PCR Dataset

    U.S. Environmental Protection Agency —

    Dataset includes repeated measures of the National Institute of Standards and Technology Standard Reference Material 2917 (SRM 2917) using an Enterococcus digital PCR...
  • Federal

    SRM 2718a Green Petroleum Coke

    National Institute of Standards and Technology —

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

    SRM 2387 Peanut Butter

    National Institute of Standards and Technology —

    SRM 2387 Peanut Butter - This Standard Reference Material (SRM) is intended primarily for use in validating methods for determining proximates, fatty acids, calories,...
  • Federal

    SRM 1632d Trace Elements in Coal (Bituminous)

    National Institute of Standards and Technology —

    Standard Reference Material 1632d Trace Elements in Coal (Bituminous) - This Standard Reference Material (SRM) is intended primarily for use in the evaluation of...
  • Federal

    SRM 1633c Trace Elements in Coal Fly Ash

    National Institute of Standards and Technology —

    SRM 1633c Trace Elements in Coal Fly Ash - This Standard Reference Material (SRM) is intended for use in the evaluation of analytical methods for the determination of...
  • Federal

    SRM 2693 Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)

    National Institute of Standards and Technology —

    Standard Reference Material 2693 Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur) - This Standard Reference Material (SRM) is intended primarily for use in the...
  • Federal

    SRM 1721 Southern Oceanic Air (Ambient Nominal Amount-of-Substance Fraction: Carbon Dioxide, Methane, Nitrous Oxide)

    National Institute of Standards and Technology —

    Standard Reference Material-1721: Southern Oceanic Air. Ambient Nominal Amount of Substance Fraction for Carbon Dioxide, Methane & Nitrous Oxide. This Standard...
  • Federal

    SRM 2682c Subbituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)

    National Institute of Standards and Technology —

    Standard Reference Material 2682c Subbituminous Coal (Nominal Mass Fraction 0.5 % Sulfur) - This Standard Reference Material (SRM) is intended primarily for use in...
  • Federal

    SRM 3183 Fluoride Anion (F-) Standard Solution

    National Institute of Standards and Technology —

    This Standard Reference Material (SRM) is intended as a primary calibration standard for the quantitative determination of fluoride using anion ion chromatography...
  • Federal

    SRM 918c Potassium Chloride General and Ion Activity Standard

    National Institute of Standards and Technology —

    This Standard Reference Material (SRM) is intended for use as an analytical standard of known purity. It is intended primarily for use in the calibration and...
  • Federal

    SRM 131h Refined Cast Iron

    National Institute of Standards and Technology —

    Standard Reference Material 131h Refined Cast Iron - This Standard Reference Material (SRM) is intended primarily for use in validation of chemical and instrumental...
  • Federal

    SRM 2775 Sulfur in Foundry Coke

    National Institute of Standards and Technology —

    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...
  • Federal

    SRM 2690 Coal Fly Ash

    National Institute of Standards and Technology —

    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...
  • Federal

    SRM 3949 Folate Vitamers in Frozen Human Serum

    National Institute of Standards and Technology —

    Standard Reference Material 3949 Folate Vitamers in Frozen Human Serum
  • Federal

    SRM 3180 Iodide Anion (I-) Standard Solution

    National Institute of Standards and Technology —

    This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of iodide. A unit of SRM 3180 consists...
  • Federal

    SRM 194a Ammonium Dihydrogen Phosphate

    National Institute of Standards and Technology —

    SRM 194a Ammonium Dihydrogen Phosphate - This Standard Reference Material (SRM) is a highly purified and homogeneous lot of crystalline ammonium dihydrogen phosphate...
53 datasets found

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.