Title: A Study of the Influence of Nickel Chloride on the Physical Characteristics and Leachability of Portland Cement
Authors: ZAMORANI EdmondoSERRINI Giorgio
Citation: Cement and Concrete Research Journal vol. 19 no. 2
Publication Year: 1988
JRC N°: JRC5818
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC5818
Type: Articles in Journals
Abstract: STUDIES ON SOLIDIFICATION OF NICKEL CHLORIDE IN CEMENT PREPARED AT A WATER-TO-CEMENT RATIO REVEALED AN ACCELERATING EFFECT ON THE PHYSICAL CHARACTERISTICS OF THE MATRIX. A BEST COMPRESSIVE STRENGTH VALUE OF 21 MPA IS OBTAINED ON SAMPLE SPECIMEN OF CYLINDRICAL DIMENSIONS 35 MM H X 20 MM DIAM. WHEN ABOUT 8 WT% OF THE COMPOUND IS BLENDED IN CEMENT. THE LEACHING RESULTS ON NICKEL PRESENT AN EXTREMELY LOW CONSTANT CONCENTRATION OF 6.8X10-8 M/L IN LEACHATE MEDIA OF PH = 12.5, REVEALING A GOOD RETENTION CAPACITY OF CEMENT MATRIX. CHLORIDE ON THE OTHER HAND APPEARS TO HAVE ADVERSE EFFECTS ON MATRIX DURABILITY THROUGH ENHANCED LEACHABILITY OF CALCIUM CONTENTS.
JRC Institute:Joint Research Centre Historical Collection

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