C465 ACCEPTANCE DATA
Roan Industries RI-85 Cement Grinding Aid
Source and Character
RI-85 contains approximately 50% Triethanolamine and other amines, 30% Water, and 20% Acetic Acid obtained from a variety of suppliers.
Amount Recommended for Use
Between 0.01 and 0.06% RI-85 should be added, depending on the cement plant conditions and intended use.
Highest Amount That Has Demonstrated Compliance
Method for Determination of RI-85 in
Triethanolamine (TEA) is leached from the finished cement using hot water. The TEA is then purified using several ethanol washes. The purified TEA is then reacted with hydrochloric acid vapors to form triethanolamine hydrochloride, a salt. A KBr pellet is formed using the TEA hydrochloride and analyzed by FTIR.
Names and Locations of Testing Labs
Ambric Testing Labs
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