SEDL / STP / STP985-EB / STP34297S

Extraction of Free Lime in Portland Cement and Clinker by Ethylene Glycol

Javellana, MP
Martin Marietta Laboratories, Baltimore, MD

Jawed, I
Martin Marietta Laboratories, Baltimore, MD

Pages: 5    Published: Jan 1988

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Abstract

Free lime in portland cement and clinker has been determined by extraction with hot ethylene glycol. Our determinations show that times of 5–10 minutes and temperatures of 80–100°C are adequate. This method is as accurate as the ASTM method and has the distinct advantage of simplicity and rapidity.