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All Journal Jurnal Penelitian Saintek EKSAKTA: Journal of Sciences and Data Analysis JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya INOVTEK POLBENG IJCER (International Journal of Chemistry Education Research) Indonesian Journal of Chemical Analysis (IJCA) JEDCHEM (JOURNAL EDUCATION AND CHEMISTRY) Specta Journal of Technology Refleksi Pembelajaran Inovatif Khazanah: Jurnal Mahasiswa Jurnal Akademika Kimia Jurnal Akademika Kimia
Thorikul Huda
Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Islam Indonesia
Religion Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences

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Journal : Jurnal Akademika Kimia

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Chlorine Identification in Rice Samples through a Method Validation Approach using Cyclic Voltammetry with Platinum Electrodes Thorikul Huda; Riyanto Riyanto; Rini Rahayu
Jurnal Akademika Kimia Vol. 11 No. 3 (2022)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2022.v11.i3.pp190-196

Abstract

Determination of chlorine in rice samples with a method validation approach using cyclic voltammetry based on platinum electrodes has been conducted. This study aimed to determine whether the cyclic voltammetry method with platinum electrodes is acceptable and can be recommended for routine chlorine testing in the laboratory. The basis of the analysis is the reduction reaction of hypochlorite ions to chloride ions. The initial step taken by optimizing the electrolyte with the optimal electrolyte for testing is a pH 7 phosphate buffer solution. Method validation parameters consist of determining linearity, detection limit, quantitation limit, repeatability, recovery, and measurement uncertainty. The range of standard solutions used for testing was from 10 mg/L to 150 mg/L and analyzed at a rate of 0.1 V/s. Linearity is determined based on the calculation of the coefficient of determination (R2) of 0.998, while the limits for detection and quantization are 7.49 mg/L and 24.96 mg/L, respectively. Repeatability is determined by calculating the relative standard deviation with a result of 1.77% while for recovery it is obtained at 88.19%. The result of the chlorine content test for rice samples was 0.011% with a measurement uncertainty value of 0.0011%. The major contributor to uncertainty came from the concentration of the calibration curve plot of 87.91%.
Co-Authors Abrari Noor Hasmi Alamsyah Alamsyah Cecep Sa'bana Rahmatillah Devita Wijiyanti Dwiarso Rubiyanto Efrizal Gozali, M Efrizal Gozali, M Indriani, Nita Indriani, Nita Is Fatimah Kuntari Kuntari Kurniyawan Kurniyawan Muhammad Budi Prasetyo Popi Yuliana Rini Rahayu Riyanto Riyanto Samsu Dlukha N Septian Perwira Yudha Tantri Kurnia Yulitaningtyas Tri Esti Purbaningtias Ukhti Luthfiyah Yuli Rohyami Yuli Rohyami Yusuf Habibi Zulfa Afifah