Potassium: atomic number 19

Substitute for potassium chloride

Need a less expensive substitute for potassium chloride.
Focus is on ion exchange properties.
Presently using KCI to stabilize expansive clay soils in the construction business at depths of up to 15 feet.

error in units

The units of resistivity don't come out right.

10^-8 Ohm * m
m Ohm * cm

the 'm' should be a 'mu', but unfortunately they both look the same in the latin alphabet.


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