NIST Urea is intended for use as a primary calibrant for the measurement procedures and validating methods used in clinical pathology laboratories to determine urea blood nitrogen.
Altre note
The NIST-certified mass fraction value for urea was determined using a mass balance approach for purity assessment, and the values are metrologically traceable to the SI derived unit for mass fraction, expressed as a percentage.
Maintenance and expiration of SRM certification, instructions for handling, storage, and use are provided on NIST certificate.
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NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology
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Clinica chimica acta; international journal of clinical chemistry, 542, 117276-117276 (2023-03-05)
We evaluated analytical and Sigma performance for 6 next generation chemistry assays on the Abbott Architect c8000 system. Albumin with bromocresol purple or green, amylase, cholesterol, total protein, and urea nitrogen were analyzed using photometric technology. Analytical performance goals were
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