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All Journal Jurnal Fisika Unand AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment)
Nurmi, Fatiyah Aghni Yati
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Physics

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Optimization of Anthocyanin Analysis Method Using LC-MS/MS to Enhance Research Service Performance at the Central Laboratory of Andalas University NADHIFAH, Naura; Maghfira, Alya; Nurmi, Fatiyah Aghni Yati; Syukri, Daimon
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 1 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i1.857

Abstract

The Central Laboratory of Universitas Andalas is equipped with Shimadzu 9050 Quadrupole Time-of-Flight (QTOF) LC-MS/MS instrument, which has strong potential to support scientific research at international standards. However, the utilization of this instrument remains limited due to the lack of optimized standard methods for both qualitative and quantitative analyses. This study aims to develop an LC-MS/MS analytical method that can be used as a standard method for research services in the laboratory. The research stages included sample preparation of red flower (BM) and white flower (BP) by extraction of sample using methanol pH 3 as the solvent, separation of sample using a rotary evaporator, method optimization including selection of mobile phase composition (isocratic and binary gradient), selection of analysis time (5, 10, and 15 minutes), and optimization of collision energy in the range of 5–40. Quantitative analysis of flower samples was then conducted using the optimized method. The optimisation results showed that a binary gradient mobile-phase method with an analysis time of 15 minutes and a collision energy of 25 could be used as the analytical method. Furthermore, quantitative analysis of both flower samples revealed that cyanidin in the red flower sample was 24.92 ppm, while cyanidin in the white flower sample was 71.69 ppm. Contribution to Sustainable Development Goals (SDGs):SDG 4: Quality EducationSDG 9: Industry, Innovation, and InfrastructureSDG 12: Responsible Consumption and Production
Optimalisasi Potensi Limbah Alat Gelas sebagai Adsorben Limbah Logam Berat Fe, Cd, Pb dan Mn Skala Laboratorium Gusthia, Melisa Weno; Nurmi, Fatiyah Aghni Yati; Rahmatunisa, Sefina; Muldarisnur, Mulda
Jurnal Fisika Unand Vol 15 No 2 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.15.2.125-131.2026

Abstract

Chemical laboratory activities produce liquid waste containing hazardous materials, including heavy metals such as Fe, Cd, Pb, and Mn, which have the potential to pollute the environment if not managed properly. This study aims to optimize the use of laboratory glassware waste as an environmentally friendly alternative adsorbent to reduce heavy metal levels in laboratory-scale liquid waste. The research stages include collecting glassware waste from various laboratories, grinding, sieving, and activating the adsorbent through chemical treatment (HNO₃ and HCl-HNO₃), drying, calcination, and adding NaOH to open the adsorbent pores. Material characterization was carried out using SEM, FTIR, and BET to observe the morphology and surface area of the pores. Initial results showed that the three-stage activation was able to improve the quality of the adsorbent pores so that it was ready for use in the adsorption process. In the next stage, heavy metal adsorption tests were carried out with variations in time and mass of the adsorbent, then analyzed using Flame AAS and re-characterized with SEM-EDX, FTIR, and BET. The results using FTIR can be proven that the adsorbent contains SiO2 compounds that have the potential to have pores due to the structure of the compound. The results of the BET characterization obtained a surface area value of 0, which proves that the adsorbent has a very small pore size, also called micropores. The results of Flame AAS measurements show that the adsorbent is able to adsorb heavy metals with an adsorption percentage above 85%.
Co-Authors Daimon Syukri Gusthia, Melisa Weno Maghfira, Alya Muldarisnur, Mulda NADHIFAH, Naura Rahmatunisa, Sefina