Ph Scale Diagram Pdf. The cell consists of a measuring electrode a refer. The important concept at this grade level is to understand the 0 14 scale that.
Extremes in ph in either direction from 7 0 are usually considered inhospitable to life. Anything below 7 0 ranging from 0 0 to 6 9 is acidic and anything above 7 0 from 7 1 to 14 0 is alkaline. The ph scale is as previously mentioned an inverse logarithm and ranges from 0 to 14 figure 1.
Figure 2 1 shows a simplified diagram of a ph cell.
6 2 estimating the ph on logc vs ph diagrams. E ph diagrams are also known as pourbaix diagrams after the author of the famous pourbaix diagram handbook 1. This means that a substance at ph 6 is ten times more acidic than. Pk values you will recall that the ph scale serves as a convenient means of compressing a wide range of h values into a small range of numbers.
