[PDF][PDF] Optical sensor to detect titration end point to evaluate hardness of drinking water

S Dissanayake, H Pasqual, BCL Athapattu - 2016 - repository.ou.ac.lk
Complexometric titration is a commonly used method to test hardness of water. Since small
variation of colour is non observable to the naked eye in colorimetric method, it is advisable …

[PDF][PDF] Optical Sensor to Detect Titration End Point to Evaluate Hardness of Drinking Water

S Dissanayake, H Pasqual, BCL Athapattu… - Journal of Engineering …, 2016 - ou.ac.lk