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All Journal Jurnal Sains Dasar Al-Kimia Molekul: Jurnal Ilmiah Kimia Indonesian Journal of Chemistry and Environment
Sulistyani Sulistyani
Jurusan Pendidikan Kimia, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Negeri Yogyakarta
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Education Materials Science & Nanotechnology

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Journal : Al-Kimia

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Determination of Zirconium(IV) Based on Flow Injection Analysis with The Xylenol Orange As A Complexing Waode Rustiah; Sulistyani Sulistyani
Al-Kimia Vol 9 No 2 (2021): DESEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v9i2.23638

Abstract

The development of spectrophotometry method based on Flow Injection Analysis (FIA) to determine Zr(IV) in tin ore accompanying mineral has been done using xylenol orange as complexing agent. The complex between Zr(IV) and xylenol orange 0,05% was formed at pH 2 (1:1). The complex formed having maximum absorbance at wavelength 554 nm. The mineral decomposition has been done by fusion method using Na2CO3 and Na2O2 as fluxs for open system and the close system decomposition using HNO3, HClO4 and HF as solvents. FIA-spectrophotometry that has been developed was able to show good analytical performance, with precision of %KV not more than 5% at concentration level mg/L, was 3,98%, with sensitivity was 2,79 ppm and the detection limits of calculated (S/N = 3) was 0,21 ppm. This method has been aplicated for analyzing Zr(IV) in zircon mineral sample with analysis result 20,26% of ZrO2 and recovery percentage was 100,7%.
Co-Authors Annida Rifka Larastuti Annisa Fillaeli Bella Fatmala Dewi Yuanita Endang Dwi Siswani Endang Widjajanti Laksono FX Fatikhah Nur Hidayati P.S. Heru Pratomo Ilham Fauzi Isana Supiah Yosephine Louise Isnaini Saputri Nur Hasna Nafiisah Rustiah, Wa Ode Susila Kristianingrum