Question

answer True or false?

The resistivity of water cannot be affected by any ions expect sodium and chlorine, it is the main reason the water resistivity calculation is just based on equivalent sodium chloride concentration

Substitution of aluminum ions with lower valence ions is the main reason of the excess of negative electrical charges on the surface of clay particles in shales.

Answer 1

Explanation :

False

The presence of inorganic suspended solids such as chloride, nitrate, phosphate, and sulfate ions (ions that carry a negative charge) or aluminum, calcium, magnesium, iron, and sodium ions (ions that carry a positive charge) have an effect on water conductivity and Resistivity .

True

Substitution of aluminum ions with lower valence ions is the not one of thr main reason of the excess of negative electrical charges on the surface of clay particles.

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