USGS: Science Topics: materials standards

Science Topics

Materials standards

Physical materials such as chemicals, rocks, water, or biological materials that are used for reference when carrying out laboratory analysis.

Subtopics:
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Results 1 - 3 of 3 listed alphabetically [list by similarity]

Geochemical reference materials and certificates [More info]: Site to obtain currently available geochemical reference materials, certificates for reference materials no longer available, reference materials in production, and order and processing information. Some documents in PDF format.
Standard reference samples for water quality analysis [More info]: Standard reference samples for laboratory quality assurance testing and are available to purchase for internal quality control. The majority of samples are prepared with water from Colorado streams.
USGS Reference Materials Program: Serving the needs of the global analytical community [More info]: Synopsis of the research and services provided by USGS in support of reference materials used for calibration in laboratory analytical studies.

Alphabetical Index of Topics a b c d e f g h i j k l m n o p q r s t u v w x y z

U.S. Department of the Interior | U.S. Geological Survey
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