This article shows how the absorbance maxima of Ponceau-S is determined over a wavelength range of 220nm to 800nm using the Eppendorf BioSpectromenter ®. The methods of analysis using this ...
Kennedy, G. C., and Newton, R. C., in Solids Under Pressure, edit. by Paul, W., and Warschauer, D. M., 163 (McGraw-Hill, New York, 1963).