spot test

See also: spottest

English

Noun

spot test (plural spot tests)

1. (chemistry) The addition of a single drop of a reagent to a small sample as a qualitative analytical test for the presence of a specific compound or class of compounds.
   • 1998, Michael R Bromwich, The FBI Laboratory: An Investigation into Laboratory Practices & Alleged Misconduct:

     The DPA test referred to by Martz is a color spot test for a range of oxidizing compounds, which include but are not limited to nitrates.

Anagrams

• posttest