Merck, NIST3668, Mercury, perchlorate, and iodide in frozen human urine

General description
A unit of SRM 3668 consists of five vials of each of two levels.

Each vial contains 1.5 mL of urine.

SRM 3668_cert

SRM 3668_SDS
Application
NIST3668 Mercury, perchlorate, and iodide in frozen human urine standard reference material(SRM) is intended to use for validating analytical methods and measurements for the determination of toxic elements and anions in human urine.
Features and Benefits
Available with a certificate documenting NIST-certified mass concentration values of mercury, perchlorate, and Nitrate.
Reference values are expressed as mass concentration for iodine and thiocyanate.
The NIST certificate is provided with handling, storage,and use instructions.

Other Notes
Certified for the analytes listed below.
Mercury (Hg), Perchlorate (KClO₄), Nitrate ( NO³⁻)

Reference/Informational value is provided for the following analytes.
Iodine (I), Thiocyanate (SCN ?), Creatinine (C₄H₇N₃O)

See certificate for values and more details at nist.gov/SRM.
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