Department of Chemistry;
Faculty of Science and Technology;
Rajamangala University of Technology Thanyaburi;
Pathum Thani;
Thailand;
Department of Clinical Chemistry;
Faculty of Allied Health Sciences;
Chulalongkorn University;
Bangkok;
Thailand;
Graduate Program in Clinical Biochemistry and Molecular Medicine;
Faculty of Allied Health Sciences;
Chulalongkorn University;
Bangkok;
Thailand;
Sensor Research Unit;
Department of Chemistry;
Faculty of Science;
Chulalongkorn University;
Bangkok;
Thailand;
Sequential; Injection; Analysis; System; Calcium; Arsenazo; III; Green; Chemistry; Spectrophotometry; Clinical; Analysis;