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The Significance of Hydrogen Ion Concentration or
Method of Measuring Total Alkalinity or of Total Acid
Method of Measuring Amount of Alum or of Iron Sulphate
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2-hole rubber stopper alkalinity consumed alum solution amount of lime apparatus Austin bacteriological beaker brass bulletins calcium carbonate calcium chloride chloric acid clamp coagulant containing 1 gram-equiv cork cresol degree of acidity desired pH determination distilled water dosage of lime drop druggist dyes feed machines fill filter alum Fixanal floc gas burette glass stoppered glass tube grams 1 gram-equivalent Hence hydrochloric acid iron sulphate large flask latter levelling bottle lime bottle liquid mark with distilled maximum dosage measured methyl orange million gallons mix the contents mixture molecules needle valve Neutral red number of cc obtained oxygen pH value plant operation pounds of pure pounds per million proper pure hydrated lime pure quicklime red—1 gram residual chlorine Secure settleable solids sewage effluents shaft side arm solder STANDARD LIME SOLUTION stirrer stirring stand Thymolphthalein total alkalinity total number treated turbidity University of Texas volumetric flask water sample