A method to determine binder content in small samples of cementitious material using hydrochloric acid and ICP-OES analysis

Research output: Contribution to journalArticle


A method to determine the binder content in small samples of cementitious material is presented. Microstructural measurements such as sorption balance measurements or TGA (thermogravimetric analysis) require small samples; therefore cement paste is often used instead of mortar or concrete to get representative samples. However, normalizing measured results to a common basis, such as the binder content, enables more realistic measurements to be made with mortar and concrete. The present method focuses on 50–150 mg samples, similar to those used in a sorption balance or TGA. The samples are dissolved in hydrochloric acid, after which the resulting solution is analysed by ICP-OES to determine the Ca-concentration. With knowledge of the binders’ chemical composition and the acid volume, the binder content can then be calculated. As Ca is used to calculate the binder content, the method is not suitable for samples with calcareous or dolomitic aggregates.


Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Other Materials Engineering


  • Cement, Characterization, ICP-OES, Mortar
Original languageEnglish
Article number100538
JournalMaterials Today Communications
Publication statusPublished - 2019 Sep 25
Publication categoryResearch

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