Insights into surface chemistry down to nanoscale: an accessible colour hyperspectral imaging approach for scanning electron microscopy by Nohl, JF, Farr, NTH, Sun, Y, Hughes, GM, Stehling, N, Zhang, J, Longman, F, Ives, G, Pokorná, Z, Mika, F, Kumar, V, Mihaylova, L, Holland, C, Cussen, SA, Rodenburg, C