Fig. 4
From: Analytical characterization of 5,5′-dibromoindigo and its first discovery in a museum textile
A 1919 trade advertisement for Dow Chemical’s Midland Blue R vat dye [8]
Fig. 4 | Heritage Science
From: Analytical characterization of 5,5′-dibromoindigo and its first discovery in a museum textile
A 1919 trade advertisement for Dow Chemical’s Midland Blue R vat dye [8]
