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