Analysis of acid-soluble chloride in cement, mortar, and concrete by potentiometric titration without filtration steps

A potentiometric titration procedure that makes use of Gran’s method for end-point detection has been developed to analyze acid-soluble chloride in cement, mortar, and concrete, eliminating the filtration steps performed in habitual laboratory reference methods. The accuracy and reliability of the p...

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Bibliographic Details
Published in:Cement and concrete research 1999, Vol.29 (6), p.893-898
Main Authors: Climent, Miguel A., Viqueira, Estanislao, de Vera, Guillem, López-Atalaya, M.M.
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Cement
Cement concrete constituents
Cements
Chemical analysis
Chloride
Concrete
Concretes. Mortars. Grouts
Exact sciences and technology
General (composition, classification, performance, standards, patents, etc.)
Materials
Mortar
Properties and test methods
Properties of anhydrous and hydrated cement, test methods
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Description
Summary:A potentiometric titration procedure that makes use of Gran’s method for end-point detection has been developed to analyze acid-soluble chloride in cement, mortar, and concrete, eliminating the filtration steps performed in habitual laboratory reference methods. The accuracy and reliability of the proposed analytical technique has been checked against a standard method, such as Volhard’s, by analyzing duplicate samples of cements, mortars, and concretes with varied chloride contents.
ISSN:0008-8846
1873-3948
DOI:10.1016/S0008-8846(99)00063-0