The use of TG to measure different concentrations of lime in non-hydraulic lime mortars

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Abstract

A high speed method of thermal anal. was developed to allow the carbonation profile of lime mortars to be followed within a convenient time-frame. The loss in mass on heating, up to 700 DegC, of lime/sand mixts. of different proportions was related to the known quantity of lime in each mixt. It was shown that a heating rate of 50 DegC min-1 produced data which had a very high correlation with known quantities of Ca(OH)2. This method can be used to measure the extent of carbonation at varying depths through a lime mortar. This can be repeated at intervals to give an insight into the shape and extent of the carbonation front as it develops over time. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)377-382
Number of pages6
JournalJournal of Thermal Analysis and Calorimetry
Volume85
Issue number2
DOIs
Publication statusPublished - 2006

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Keywords

  • thermogravimetric analysis lime sand mortar carbonation
  • USES (Uses) (carbonation profile of lime-sand mortars from high speed thermogravimetric anal. of lime concns. in nonhydraulic lime mortars)
  • TEM (Technical or engineered material use)
  • Lime Role
  • Carbonation (carbonation profile of lime-sand mortars from high speed thermogravimetric anal. of lime concns. in nonhydraulic lime mortars)
  • carbonation profile of lime-sand mortars from high speed thermogravimetric anal. of lime concns. in nonhydraulic lime mortars)
  • Mortar (lime-sand

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