Assessing the composition of 19th century lime mortars from a mission chapel in the former Hacienda de San Isidro de Mariquina Philippines

This paper presents the results of a chemical study on lime mortars manufactured during the Spanish Colonial Period in the Philippines. Lime mortar samples, MRK-01 and MRK-02, were obtained from the facade of a historical mission chapel in Marikina City. The nature of the aggregate and binder compon...

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Main Authors: Cayme, Jan-Michael C., Aurellano, Renz Matthew L., Cabral, Carmen Luisa P., Alonzo, Gellyn Ann R., Asor, Aniano N.
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Published: Animo Repository 2018
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Online Access:https://animorepository.dlsu.edu.ph/faculty_research/4053
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spelling oai:animorepository.dlsu.edu.ph:faculty_research-50782023-09-09T08:09:17Z Assessing the composition of 19th century lime mortars from a mission chapel in the former Hacienda de San Isidro de Mariquina Philippines Cayme, Jan-Michael C. Aurellano, Renz Matthew L. Cabral, Carmen Luisa P. Alonzo, Gellyn Ann R. Asor, Aniano N. This paper presents the results of a chemical study on lime mortars manufactured during the Spanish Colonial Period in the Philippines. Lime mortar samples, MRK-01 and MRK-02, were obtained from the facade of a historical mission chapel in Marikina City. The nature of the aggregate and binder components in these mortar samples were determined by performing sieve analysis and classified to be poorly graded with uniform gradation. An aggregate to binder ratio of approximately 1:1 was computed based on the solubility of the individual sieved fractions in hydrochloric acid. The silicate character of the aggregate was confirmed by the absorbance peaks attributed to silicon dioxide (SiO2) in the Fourier Transform Infrared Spectroscopy (FTIR). Natural river sand was used as aggregates in both mortar samples which is apparent from the particle shapes of the sieved fractions. There was also no evidence of sea shells, broken potteries, brick fragments and bulk unburned limestone used as aggregates in any of the mortar samples tested. The binder portion is mainly calcitic or calcium carbonate (CaCO3) based on the FTIR spectra and was shown to be removed by hydrochloric acid digestion. Titration method using ethylenediaminetetraacetic acid (EDTA) was employed to determine the amount of calcium in the acid soluble fractions. The percentage of calcium for MRK-01 ranges from about 1.0% to 9.5%, while MRK-02 ranges from about 2.3% to 16.8%, respectively. These percentages indicate that MRK-02 was manufactured with more lime binder compared to MRK-01. From this study, a simple method of understanding the composition of old lime mortars in the Philippines was established, which is useful for general heritage conservation work. 2018-01-01T08:00:00Z text https://animorepository.dlsu.edu.ph/faculty_research/4053 Faculty Research Work Animo Repository Mortars—Analysis Lime Fourier transform infrared spectroscopy Volumetric analysis Chapels--Philippines--Marikina City Materials Science and Engineering Physics
institution De La Salle University
building De La Salle University Library
continent Asia
country Philippines
Philippines
content_provider De La Salle University Library
collection DLSU Institutional Repository
topic Mortars—Analysis
Lime
Fourier transform infrared spectroscopy
Volumetric analysis
Chapels--Philippines--Marikina City
Materials Science and Engineering
Physics
spellingShingle Mortars—Analysis
Lime
Fourier transform infrared spectroscopy
Volumetric analysis
Chapels--Philippines--Marikina City
Materials Science and Engineering
Physics
Cayme, Jan-Michael C.
Aurellano, Renz Matthew L.
Cabral, Carmen Luisa P.
Alonzo, Gellyn Ann R.
Asor, Aniano N.
Assessing the composition of 19th century lime mortars from a mission chapel in the former Hacienda de San Isidro de Mariquina Philippines
description This paper presents the results of a chemical study on lime mortars manufactured during the Spanish Colonial Period in the Philippines. Lime mortar samples, MRK-01 and MRK-02, were obtained from the facade of a historical mission chapel in Marikina City. The nature of the aggregate and binder components in these mortar samples were determined by performing sieve analysis and classified to be poorly graded with uniform gradation. An aggregate to binder ratio of approximately 1:1 was computed based on the solubility of the individual sieved fractions in hydrochloric acid. The silicate character of the aggregate was confirmed by the absorbance peaks attributed to silicon dioxide (SiO2) in the Fourier Transform Infrared Spectroscopy (FTIR). Natural river sand was used as aggregates in both mortar samples which is apparent from the particle shapes of the sieved fractions. There was also no evidence of sea shells, broken potteries, brick fragments and bulk unburned limestone used as aggregates in any of the mortar samples tested. The binder portion is mainly calcitic or calcium carbonate (CaCO3) based on the FTIR spectra and was shown to be removed by hydrochloric acid digestion. Titration method using ethylenediaminetetraacetic acid (EDTA) was employed to determine the amount of calcium in the acid soluble fractions. The percentage of calcium for MRK-01 ranges from about 1.0% to 9.5%, while MRK-02 ranges from about 2.3% to 16.8%, respectively. These percentages indicate that MRK-02 was manufactured with more lime binder compared to MRK-01. From this study, a simple method of understanding the composition of old lime mortars in the Philippines was established, which is useful for general heritage conservation work.
format text
author Cayme, Jan-Michael C.
Aurellano, Renz Matthew L.
Cabral, Carmen Luisa P.
Alonzo, Gellyn Ann R.
Asor, Aniano N.
author_facet Cayme, Jan-Michael C.
Aurellano, Renz Matthew L.
Cabral, Carmen Luisa P.
Alonzo, Gellyn Ann R.
Asor, Aniano N.
author_sort Cayme, Jan-Michael C.
title Assessing the composition of 19th century lime mortars from a mission chapel in the former Hacienda de San Isidro de Mariquina Philippines
title_short Assessing the composition of 19th century lime mortars from a mission chapel in the former Hacienda de San Isidro de Mariquina Philippines
title_full Assessing the composition of 19th century lime mortars from a mission chapel in the former Hacienda de San Isidro de Mariquina Philippines
title_fullStr Assessing the composition of 19th century lime mortars from a mission chapel in the former Hacienda de San Isidro de Mariquina Philippines
title_full_unstemmed Assessing the composition of 19th century lime mortars from a mission chapel in the former Hacienda de San Isidro de Mariquina Philippines
title_sort assessing the composition of 19th century lime mortars from a mission chapel in the former hacienda de san isidro de mariquina philippines
publisher Animo Repository
publishDate 2018
url https://animorepository.dlsu.edu.ph/faculty_research/4053
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