1) Analyzed 2) Analyzed in a lab 3) Appraised 4) Appraised critically 5) Judged the worth of 6) Made a chemical analysis 7) Put to the test 8) Rated 9) Subjected to cell counting 10) Tested 11) Tested nuggets 12) Tried 13) Used a cupel Found on https://www.crosswordclues.com/clue/assayed