"they made an assay of the contents" "a check on its dependability under stress"
a substance that is undergoing an analysis of its components
a written report of the results of an analysis of the composition of some substance
a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.
Verb:
analyze (chemical substances)
make an effort or attempt;
"He tried to shake off his fears" "The infant had essayed a few wobbly steps" "The police attempted to stop the thief" "He sought to improve himself" "She always seeks to do good in the world"
