Here, we present a protocol to detect the adulteration of diesel with kerosene using test strips coated with a fluorescent viscosity probe together with a smartphone-based analysis system.
Bell, J., Gotor, R., Rurack, K. Fluorescent Paper Strips for the Detection of Diesel Adulteration with Smartphone Read-out. J. Vis. Exp. (141), e58019, doi:10.3791/58019 (2018).