Analytical Analytical Organic Acids Stains, Dyes and Indicators 301 CALCEIN MODIFIED II CALCEIN MODIFIED II NR 0.000 Calcein , Bromthymol Blue , Potassium Chloride, Determination of calcium in the presence of magnesium with EDTA, 19031 35.70 25 G 19033 109.60 100 G Suitability as indicator Pass Test