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NIST912B

Urea

Synonym(s):

Urea

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About This Item

UNSPSC Code:
41116107
NACRES:
NA.24

grade

certified reference material

description

NIST® SRM® 921b

form

crystals

packaging

pkg of 25 g

manufacturer/tradename

NIST® SRM 912b

technique(s)

Karl-Fischer titration: suitable
NMR: suitable
ion chromatography: suitable
liquid chromatography (LC): suitable

application(s)

clinical testing

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General description

Urea Standard Reference Material (SRM) is certified as a neat chemical of known purity. It is a primary standard intended for use during calibration procedures and method validations implemented by clinical laboratories. A unit of SRM 912b consists of 25 g of high-purity crystalline urea.

SRM 912B_cert

SRM 912B_SDS

Application

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.

Other Notes

  • Expiration details and storage and use instructions are provided on the NIST certificate
  • Notes on biomaterial handling, disposal, and transport documented in MSDS

Legal Information

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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Annie Ren et al.
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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