References:

• Laboratory manual for Environmental Chemistry by Sunitha Hooda, Sumanjeet Kaur.
• Vogel's Text Book of Quantitative Chemical Analysis, Sixth Edition – J. Mendham, R. C. Denney, J. D. Barnes, M. J. K. Thomas.
• Instrumental Methods of Chemical Analysis – B. K. Sharma.
• Standard Methods for the Examination of Water and Wastewater – American Public Health Association (APHA, 1992).
• EPA Publication, March 1979. "Methods for Chemical Analysis of Water and Wastes", EPA #600/4-79-02.
• A Comprehensive Laboratory Manual for Environmental Science and Engineering – P. R. Sreemadhavan Pillai.
• Engineering Chemistry – Jain & Jain.

Webliography:

• Book on Water – Chapter by Shafqat

Image Sources:

• pH Meter