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TOLEDO, NENITO. (1405). Metals Analyses of Portland and Blended Cement Via Microwave Digester and Inductively Coupled Plasma Technologies. , 60(1), 109-125. doi: 10.22059/jchpe.2026.386909.1579
NENITO SANCHEZ TOLEDO. "Metals Analyses of Portland and Blended Cement Via Microwave Digester and Inductively Coupled Plasma Technologies". , 60, 1, 1405, 109-125. doi: 10.22059/jchpe.2026.386909.1579
TOLEDO, NENITO. (1405). 'Metals Analyses of Portland and Blended Cement Via Microwave Digester and Inductively Coupled Plasma Technologies', , 60(1), pp. 109-125. doi: 10.22059/jchpe.2026.386909.1579
TOLEDO, NENITO. Metals Analyses of Portland and Blended Cement Via Microwave Digester and Inductively Coupled Plasma Technologies. , 1405; 60(1): 109-125. doi: 10.22059/jchpe.2026.386909.1579

Metals Analyses of Portland and Blended Cement Via Microwave Digester and Inductively Coupled Plasma Technologies

Journal of Chemical and Petroleum Engineering
دوره 60، شماره 1، شهریور 2026، صفحه 109-125    اصل مقاله (682.28 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/jchpe.2026.386909.1579
نویسنده
NENITO SANCHEZ TOLEDO*
Institute of Aquatic and Applied Sciences, Davao del Norte State College, Panabo City, Philippines.
چکیده
The method involves a sample preparation technique through microwave digestion to extract eight metals (Si, Al, Mg, Ca, Fe, Na, K, and Ti) in Portland (SRM 1888b) and Blended (SRM 1881a) cement traceable to NIST, followed by spectrometric detection and quantitation via the simultaneous system inductively coupled plasma-optical emission spectroscopy (ICP-OES). A 0.2-gram sample of the materials was prepared for closed-system digestion at 1200W. After digestion, solutions were diluted in 50-mL dedicated polypropylene laboratory ware (volumetric flasks) and analyzed. Accordingly, the dilution and calibration patterns were determined. The analyses were performed in five replicates.  The detections of Si, Al, Mg, Ca, Fe, K, and Ti following radial mode and Na via axial torch orientation gave satisfactory results.  Reproducibility studies were conducted, and ICP-OES configurations were established for each element. The method was developed based on its figures of merit.  The procedure was validated with exceptional performance, except that it was not robust at a higher sample mass.  Operational maintenance procedures were established when many samples were run. Measurement uncertainty estimation is recommended to identify the sources and effects of measurement errors.
کلیدواژه‌ها
Axial؛ Figures of Merit؛ ICP-OES؛ Portland and Blended Cement؛ Radial Mode؛ Reproducibility Studies
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