NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Bilateral comparison of the activity concentration for a standardized 137Cs solution between the National Institute of Standards Technology (NIST) and the National Institute of Nuclear Research (ININ)
Published
Author(s)
Leticia Pibida, Willie Regits, Olga Garcia Diaz, Lucia Martinez Ayala, Hector Mendoza Nava
Abstract
This paper summarized the results of the activity concentration of a 137Cs solution performed as a bilateral comparison between the National Institute of Standards and Technology (NIST) in the United States of America and the National Institute of Nuclear Research (ININ) in Mexico.
Pibida, L.
, Regits, W.
, Garcia Diaz, O.
, Martinez Ayala, L.
and Mendoza Nava, H.
(2021),
Bilateral comparison of the activity concentration for a standardized 137Cs solution between the National Institute of Standards Technology (NIST) and the National Institute of Nuclear Research (ININ), Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.TN.2192, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=933373
(Accessed October 11, 2025)