Measuring total hardness of water by flow injection spectrophotometry
Distribution and evolution trend of total hardness of shallow groundwater in plain area of Henan Province
Comparison test of total hardness of the ground water quality by robust statistical techniques
The total hardness, sulfate, chloride and consumption oxygen quantity in mixing water , underground water and surface water existed significant difference(P
Results There is a positive correlation between the con centration of water fluoride and that of the total alkalinity and a negative cor relation between the water fluoride and the total hardness and water iodine.
