ex vivo analysis of atomic composition following dry ashing +
A procedure or technique performed outside the living body by which the atomic composition, that is, the relative or absolute amounts of one or more specific elements in a sample that has been subjected to dry ashing. Dry ashing is defined as the heating of a substance to leave only noncombustible ash, usually performed by placing the sample in an open inert vessel and destroying the combustible (organic) portion of the sample by thermal decomposition.