Unformatted text preview: Close smaller end of indicator with a finger; fill tube with alcohol; insert stopper; invert indicator Close stem opening with finger and roll the indicator from vertical to horizontal Continue until all of the mortar is dispersed in alcohol and air bubbles are gone Rotate to vertical position and read level of alcohol Use given table and graphs to determine air content Post-Lab Test Conditions Test Conditions were normal for this procedure. Results Air Content: 2.5% Comments The procedure was followed as written and everything proceeded normally....
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- Spring '08
- Portland cement, Isopropyl alcohol, air content, Chace Indicator