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Neutral liquor had less absorption rate than alkaline liquor and the difference between the absorption rate of radial and tangential directions was obvious in the neutral liquor compared to alkaline liquor.

In addition, alkaline liquor caused more shrinkage and swelling than neutral liquor and similar to the absorption, the difference between the shrinkage and swelling rates of radial and tangential directions was obvious in neutral liquor compared to alkaline liquor.

Alkaline liquor caused more absorption, shrinkage and swelling than neutral liquor and the difference between the absorption, shrinkage and swelling rates of radial and tangential directions was obvious in neutral liquor compared to alkaline liquor.

Twelve specimens were considered from each direction to determine the absorption and dimensions changes in neutral (distilled water, pH=7) and alkaline liquors (0.1 Normality (N) sodium hydroxide solution, pH [approximately equal to] 13).

Then, 250ml neutral and alkaline liquors were poured into the separated containers and only 2 mm of specimens were placed into the liquors.