The Water Extraction Method to Evaluate the Content of Soluble Alkali in Mortar

A new method was presented to study the content of the soluble alkali in mortar. The method was based on mixing powdered sample with distilled water with two water-solid ratios and measur-ing the pH of the suspension. According to the measurement result of the suspension, the content of soluble alka...

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Bibliographic Details
Published in:Key engineering materials 2011-01, Vol.477, p.438-442
Main Authors: Jiang, Lin Hua, Chu, Hong Qiang, Xu, Yi, Pu, Qi, Xu, Jin Xia
Format: Article
Language:English
Subjects:
Accuracy
Distilled water
Extraction
Flame photometry
Mathematical analysis
Mortars
Online Access:Get full text
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Summary:A new method was presented to study the content of the soluble alkali in mortar. The method was based on mixing powdered sample with distilled water with two water-solid ratios and measur-ing the pH of the suspension. According to the measurement result of the suspension, the content of soluble alkali in mortar was calculated. The parameters such as water-solid ratio and measuring ac-curacy which affected the calculated result were investigated. The calculated result of the content of soluble alkali in mortar was compared with the result of flame photometry. The calculation was in good agreement with the result of flame photometry.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.477.438