The seeds (one kg should do) are needed for screening at the Centre for Agricultural Research & Extension, Federal University of Technology, Owerri, Nigeria.
Do you know the Foundation PROINPA in Cochabamba, Bolivia?. That is a foundation dedicated to promote research in Andean products. If I remember well they work with Quinoa. You can contact with scientific researchers for example Noel Ortuño, or Dr. Javier Franco