Determination of pH in wastewater sample | Steps to calculate pH in water experiment in English
This video helps you to calculate pH in wastewater through visual guidance.
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Materials Required:
Waste water collected from lake.
Acetate buffer (pH = 4)
Ammonium buffer (pH = 10)
pH meter
Tissue paper
Procedure:
Collect water from the polluted lake and transfer it into a beaker.
Switch on the pH meter.
Remove electrodes from storage solution and rinse with water.
Bloat with soaked tissue paper.
Standardize the instrument with electrodes immersed in a buffer solution (Acetate buffer pH = 4).
Rinse, bloat and dry the electrodes to each tie.
Check the pH on the pH meter (pH = 7).
Rinse, bloat and dry the electrodes.
Standardize the instrument with electrodes immersed in a buffer solution (Ammonium buffer pH = 10).
Rinse, bloat and dry the electrodes and check the pH on the pH meter (pH = 7).
Dip the pH electrode in the beaker containing waste water to be tested. Note the pH.
Replace the electrodes in the storage solution.