Is it reliable to measure ethanol concentration by using K2Cr2O7 reagent in spectrophotometric method?

I am following a procedure for measuring ethanol concentration from yeast culture using K2Cr2O7 reagent (3.4g K2Cr2O7 +32.7ml H2SO4 ) in spectrophotometric method. The reaction mixture contains...

13 August 2016 1,784 9 View