Extraction methods for quantifying iron, calcium and magnesium in a historic Brickwork produced during the Spanish colonial period in the Philippines

• Main Authors: Cayme, Jan-Michael C., Asor, Aniano N., Jr.
• Format: text
• Published: Animo Repository 2015
• Subjects: Bricks—Philippines—Analysis; Brick churches > Philippines; Atomic absorption spectroscopy; Chemistry
• Online Access: https://animorepository.dlsu.edu.ph/faculty_research/4179
• Institution: De La Salle University

This study demonstrates the feasibility of performing chemical analyses on heritage materials in the Philippines. Four extraction methods were evaluated based on the percentage of iron, calcium and magnesium in a clay brick sample obtained from an old Spanish colonial period church at Ilocos Norte....