TRACEELEMENT

Trace element

In analytical chemistry, a trace element is an element in a sample that has an average concentration of less than 100 parts per million measured in atomic count or less than 100 micrograms per gram.

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trace element

Noun

  1. A chemical element present in a sample in very small quantities.
  2. A chemical element in an organism’s diet that is required in very small amounts in order to maintain proper biochemical function; a micronutrient.


The above text is a snippet from Wiktionary: trace element
and as such is available under the Creative Commons Attribution/Share-Alike License.

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