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Description

This Standard Reference Material (SRM) is a certified absorbance standard for the determination of pathlength on microliter volume spectrophotometers and fixed pathlength cuvettes. A unit of NIST-2082 consists of three 2 mL ampoules, one ampoule each of a blank buffer solution (10 mM 2-amino-2-hydroxymethyl-propane-1,3 diol (TRIS) buffer, pH 8.0), tryptophan (1.4 mM) in TRIS buffer (component A), and uracil (1.0 mM) in TRIS buffer (component B). Each ampoule contains approximately 1.8 mL of solution.

Contents

Miscellaneous

Certificate of Analysis (specimen)

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Product data sheet

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NIST | National Institute of Standards and Technology

NIST provides over 1300 Standard Reference Materials® as well as articles and practice guides describing the development, analysis and use of SRMs.

NIST Standard Reference Materials are used by analytical laboratories in industry, academia and government in order to facilitate commerce and trade and to advance research and development. The SRMs are produced by the engineering laboratory, the material measurement laboratory, and the physical measurement laboratory at NIST. They are available for chemical composition, physical properties, and engineering materials.