What people are saying - Write a review
We haven't found any reviews in the usual places.
Water and Its Impurities
Physical and Chemical Tests
14 other sections not shown
agar alkalinity alum aluminum sulphate amount of coagulant apparatus available chlorine bacteria bicarbonates boiling calcium and magnesium carbonic acid cent chemical chlorine clean coagulant Coli colloidal color containing count cubic centimeter discharge dish dissociated dissolved distilled water effluent Engineering Record erythrosin expected error ferric ferrous sulphate filtered water Filtration Plant flow Free CO2 gage gelatin gives glass grains per gallon grams gravel horizontal hypochlorite inches incubator indicator iron sulphate million gallons minutes mixing neutral normal obtained operation organic matter orifice box oxid oxygen phenolphthalein pipe pipette Plate potassium pounds per million precipitate present pumpage pumps purification raw water raw-water reaction reagent remove salts sample scale sedimentation settled water settling basins slaking slow sand soda ash sodium carbonate sodium hydroxid soluble solution tanks standard sterilized stopper strainer sulphuric acid tannic acid tests tion titrate tube turbidity valve vertical wash water wash-water