Research This activity use to find metals in foods. For the determination of metals we can use different instuments such as FAAS, GFAAS & XRF> Tools See a list of terms used in these activities. Matching Flashcards (Java / non-Java) Concentration Word Search Activities created by: Sumith Jayasinghe This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.