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CEL212 Environmental Engineering Second …
web.iitd.ac.inPage 1 CEL212 Environmental Engineering Second Semester 2013-14 Laboratory Experiment 4: Sulfate Reference Material: • AWWA, WEF, APHA, 1998, Standard Methods for the Examination of Water and
CEL212 Environmental Engineering Second …
web.iitd.ac.inPage 2 Determination of Hardness: Hardness is expressed as mg/L CaCO 3.The first method is calculation based method and the second method is …