SYMPOSIA PAPER Published: 01 January 1966
STP46036S

Use of Infrared Spectrophotometry for the Detection and Identification of Organic Additions in Cement and Admixtures in Hardened Concrete

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Procedures of solvent extraction and infrared analysis for identification of organic additions in cement and admixtures in hardened concrete were developed. Three extraction procedures—chloroform, acid-chloroform, and sodium-carbonate anion-exchange are detailed in the appendixes. Using these procedures a number of organic compounds have been identified. The sodium-carbonate anion-exchange procedure is almost entirely restricted to lignosulfonates. Once a compound is identified, quantitative analysis by other methods can be performed, if it can be extracted completely and is the only one present.

Author Information

Hime, W.
Portland Cement Assn., Skokie, Ill.
Mivelaz, W.
Portland Cement Assn., Skokie, Ill.
Connolly, J.
Portland Cement Assn., Skokie, Ill.
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Details
Developed by Committee: C01
Pages: 18–29
DOI: 10.1520/STP46036S
ISBN-EB: 978-0-8031-6754-4
ISBN-13: 978-0-8031-6622-6