Someone who would precipitate the reaction of NaNO2 + NaOH for determination of flavonoids? How have you solved the problem?

I'm working on a protocol for determination of total flavonoids in microplate: sample + NaNO2 solution + AlCl3 solution + NaOH solution but at the end precipitates the resulting mixture. Has...

19 October 2016 1,872 11 View