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.
Measurement Services
NIST Measurement Services
- Measurement Service for assigning values of the number of equivalent reference fluorophores (ERF) for calibration beads that are commonly used in flow cytometry calibration and standardization.
Created May 1, 2024