why you will start by filtering the 1 ml dilution of river water and working your way up to the 50 ml dilution and not the other way around (in membrane filter technique)
Answer :)
From many experiments, dilution of 1 ml river water to 50 ml dilution, makes the water clears from the coliform and other harmful bacteria, mostly. Therefore, in the membrane filter technique, 1:50 dilution is preferred. In some countries, 1:100 dilution is preferred where excessive contamination is present.
why you will start by filtering the 1 ml dilution of river water and working your...
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