Phenolphtlalein alkalinity test for water sample .

How to determine phenolphtlalein alkalinity (P alkalinity)

Method.

1) 10 ml water sample take.

2) Add 1-2 drop phenolphtlalein indicator .

3) Titrate it against 0.1N HCL Or H2S04 solution

End point... colourless

Formula.

Ml used multiple by 500= ppm  (p alkalinity)