Laboratory Wastewater disposal (Read 748 times)Here the chemical used in every test performed.1. Chloride content of cementConc.Nitric aciddilute Nitric acid(1+2) & (1+100)silver nitrate(8.494g/L)AmmniumThiocyante(3.8g/LAmmonium iron sulphate - saturated solution2.Insoluble residueConc. Hydrochloric acid & (1+19)sodium carbonate(50g/L03.sulphate contentconc HCl & (1+19)Naoh(1+16)Barium chloride(100g/L)4.SilicaAmmonium chloride(0.5g add to 250 ml waterHClSulpuric acid hydr