Re: Buffering capacity

[Steve Weir <Steve.Weir@syd.dcet.csiro.au>]

>I noticed that Mardel's product line referred to as "Waters of the World"
>makes reference to buffering capacity being measured in parts per million.
>This strikes me as odd, but I guess that I don't really know of any other way
>to measure it except to say it is stable, fairly stable, highly stable, etc.
>(Certainly not very informative or scientific).
>
>Okay, so does anyone know parts of *what* per million?
>

Two assumptions.  One is that buffering capacity is equal to carbonate
hardness.  Two is that all carbonate hardness is from calcium carbonate.
The conversion is one dKH is equivalent to approximately 18 ppm CaCO3.

Steve