0.3% Bromothymol Blue Neutral Aqueous pH indicator soln. decreases the pH of test sample by 0.5, giving false pH value. how to solve the problem?

I am trying to make a field pH testing kits for farmers using 0.3% Bromothymol Blue Neutral Aqueous solution. upon testing I found that the pH indicator actually decreasing the pH value of test...

10 October 2017 9,085 0 View