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

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

Abstract

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.

Detaljer

Författare
Enheter & grupper
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Annan materialteknik

Nyckelord

Originalspråkengelska
Artikelnummer100538
TidskriftMaterials Today Communications
Volym20
StatusPublished - 2019 sep 25
PublikationskategoriForskning
Peer review utfördJa

Relaterad forskningsoutput

Oskar Linderoth, 2020 sep 1, Lund: Department of Building and Environmental Technology, Lund University. 80 s.

Forskningsoutput: AvhandlingDoktorsavhandling (sammanläggning)

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Related projects

Oskar Linderoth, Lars Wadsö, Peter Johansson & Katja Fridh

2015/10/012020/10/01

Projekt: AvhandlingIndividuellt forskningsprojekt

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