Millon reagent

Mil·lon re·a·gent

(mē-on[h]'),
mercuric nitrate and nitric acid as used in the Millon reaction.
[A. N. E. Millon]

Millon,

Auguste N.E., French chemist, 1812-1867.
Millon-Nasse test - for protein.
Millon reaction - used to test for proteins.
Millon reagent - mercuric nitrate and nitric acid as used in the Millon reaction.