Fifty years later, the darkened condition of the drawings was attributed to bleaching with chlorine dioxide gas. This paper discusses the three methods developed by Rutherford John Gettens to generate chlorine dioxide gas from sodium chlorite, formaldehyde and formic acid, examines the use of these ...
Smith T (2012) An evaluation of historical bleaching with chlorine dioxide gas, sodium hypochlorite, and chloramine-T at the Fogg Art Museum. Restaurator 33:243–279Smith, T. (2012). An evaluation of historical bleaching with chlorine dioxide gas, sodium hypochlorite, and chloramine-T at the ...