Analytical Analytical Standard Solutions Standard Solutions 2285 AMMONIACAL BUFFER, pH 10 pH 10 FOR EDTA TITRATIONS NH4OH+NH4Cl 8/III 2-0-0 0.984 Ammonium Hydroxide,Ammonium Chloride Buffer, Prepared according to REAGENT CHEMICALS, ACS SPECIFICATIONS, 12251 28.10 500 ML 12253 97.50 6 X 500 ML 12252 105.70 4 L 12254 300.90 4 X 4 L 12255 230.80 20 L BUFFER, PH 10 FOR EDTA TITRATIONS HARDNESS BUFFER, PH 10 pH of 1:10 dilution 10.0+/-0.3