Exton reagent

Ex·ton re·a·gent

(eks'tŏn),
50 g of sulfosalicylic acid and 200 g of Na2SO4·10H2O in 1L of water, used as a test for albumin.
[W. G. Exton]

Exton,

William G., U.S. physician, 1876-1943.
Exton reagent - a test for albumin.