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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Influence of Sample Preparation and Salt Concentration on the Superplasticizer Adsorption Quantification in Cement-Based
Pore Solutions by Total Organic Carbon (TOC) Method
Author(s): G. Albrecht and M. Vierle
Publication: Special Publication
Appears on pages(s): 321-334
Keywords: adsorption; aggregates; superplasticizers; total organic carbon (TOC).
Abstract:Total Organic Carbon (TOC) measurement of cementitious pore solutions
for quantification of (super)plasticizer adsorption was reviewed in this study with a system of two Polycarboxylate Ethers (PCE) and one Naphtalene Sulfonate polymer (BNS) in combination with 3 different cements. The influence of pore solution salt concentrations as well as different methods for pore solution extraction on the measured amount total organic carbon have been investigated. Adsorption measurements in paste, mortar and concrete systems are compared and conclusions are drawn by summarizing and interpreting the results obtained in the studies.
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