Table 2.

Compressive strength of cement specimens relative to the degree of physiological saline solution contamination.

Contamination Level	Mean Compression Strength (MPa)	SD (MPa)	CV
Saline solution
0.0%	84.45	1.42	1.7%
1.1%	92.00	1.63	1.8%
2.2%	82.02	2.04	2.5%
4.4%	75.48	2.14	2.8%
6.6%	68.86	1.55	2.3%
8.7%	66.17	1.03	1.6%
10.9%	66.77	1.72	2.6%