How to Become a Speech Therapist in 5 Steps. Explore the career requirements for speech therapists. Get the facts about education, salary, licensure requirements and job growth to determine if this is the right career for you.
DEFINITION of 'Assay'. The process of analyzing a physical sample to determine its composition. In financial markets, the term assay usually refers to the chemical analysis of a mineral or ore sample to ascertain its content of precious metals or minerals, such as gold, copper, or uranium.he process of analyzing a physical sample to determine its composition. In financial markets, the term assay usually refers to the chemical analysis of a mineral or ore sample to ascertain its content of precious metals or minerals, such as gold, copper, or uranium.
Depending on how many targets or analytes are being measured: 1  Usual assay are simple or single target assays which is usually the default unless it is called multiplex. 2  Multiplex assays are used to simultaneously measure the presence, concentration, activity, or quality of multiple analytes in a single test.