Analytical Analytical Standard Solutions Standard Solutions 2001 ACETATE BUFFER FOR CHLORINE APHA pH 4 ACETATE BUFFER FOR CHLORINE APHA pH 4 CH3COONa-CH3COOH 8/III 1.060 24001 24.20 500 ML 24003 77.80 6 X 500 ML 24006 32.20 1 L 24002 75.70 4 L 24004 219.30 4 X 4 L 24005 243.80 20 L pH of solution - approx. pH 4