Does anyone know how to quantify H2O2 in leaves by spectrophotometry?

I'm trying to quantify H2O2 in leaf extracts, according to Wang et al, 2012 and Patterson et al 1984. My problem is that I can't do the standard curve. I'm doing it with H2O2 30%, dilute to have...

29 August 2013 5,074 9 View