Ladies, Gentlemen, and circuit board people:

There is no such thing as an ACCURATE table of pH vs. titration on a chemical
system that is in use..

You can create such a table for freshly prepared solution, but as soon as you
start to use the solution, the shape of the curve begins to change...which is
why I urge use of pH, which is a very accurate way of predicting cleaning
power.   I do not think you should use titration, because the titration results
need to factored with an estimate of the amount the solution has been used....a
highly uncertain approach.

Rudy Sedlak
RD Chemical Company

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