Przemysl Chemiczny, Vol.93, No.8, 1418-1421, 2014
Effects of solar radiation on the stability of the Solvent Yellow 124 marker and the Solvent Red 19 dye in light heating oils
A com. fuel oil was stained with 2 com. azo dyes and exposed to sun light for 6 months to det. the photostability of the dyes. They were not resistant to sun light.