soluble alkali
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scholarly journals Soluble alkali-metal carbon nanotube salts for n-type thermoelectric composites with improved stability

2021 ◽  
Vol 118 (21) ◽  
pp. 213901
Author(s):  
Bernhard Dörling ◽  
Xabier Rodríguez-Martínez ◽  
Ivan Álvarez-Corzo ◽  
J. Sebastian Reparaz ◽  
Mariano Campoy-Quiles
Keyword(s):  
Carbon Nanotube ◽  
Alkali Metal ◽  
Improved Stability ◽  
Soluble Alkali

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

2011 ◽  
Vol 477 ◽  
pp. 438-442
Author(s):  
Qi Pu ◽  
Lin Hua Jiang ◽  
Jin Xia Xu ◽  
Hong Qiang Chu ◽  
Yi Xu
Keyword(s):  
Calculated Result ◽  
Extraction Method ◽  
New Method ◽  
Flame Photometry ◽  
Distilled Water ◽  
Powdered Sample ◽  
Measurement Result ◽  
Solid Ratio ◽  
Good Agreement ◽  
Soluble Alkali

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.

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