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Key Documents

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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