Thanks Richard, et. al.,

This is confusing... I have a Hannah pH probe. One of the links
provided by said that for a reference probe, silver
chloride should be used along with potassium chloride. If you have a pH
probe, it said to use buffer solution. What's the difference between a
reference probe and a pH probe?

Other posts to this newsgroup state that using the buffer solution can
damage your pH electrode. Yet, other posts state buffer solution should be
used. All conflicting information. So... what solution should be used?
Just straight potassium chloride?

-Paul

"Richard Kovach" > wrote in message
om...
> Best case, it would depend on what kind of probe you have. If your
> probe contains the same type of solution it might be fine, but if not,
> I doubt it would be a good idea!
>
> Many people say that 7.0 buffer (calibration) soln is the next best
> thing -- I would use that until I can get my hands on some proper
> storage soln.
>
> Richard
>
> "Paul S. Remington" > wrote in message
>.. .
> > My buddy works in a food testing facility and I'm looking for pH
> > electrode storing solution. In one of the cabinets in the lab he found
a
> > bottle marked, "Electrode filling solution 4 Molar Potassium Chloride
> > Saturated with Silver Chloride".
> >
> > Can I use this as an electrode storing solution? I know I need
> > potassium chloride but I don't know what the rest of the stuff is, like
> > silver chloride.
> >
> > Thanks!
> >
> > -Paul