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.
Validation of bean, cowpea and maize with non-matrix matched (glass) calibration and respective flour calibration. Fe represented as grey circle (◯), Zn shown as black square (■) and respective validation statistics shown in the respective colour with y = x represented by the solid line
