Water
is an important ingredient of papercrete as it actively participates in the
chemical reaction with cement. It should be free
from organic matter and the pH value should be between 6 to 7. So, the pH test
was conducted with pH testing paper in the water, which was used in this
project. The figure shows pH test was being conducted with the pH testing
paper. The observed pH value of water used, is 7.
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pH test
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