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All Journal Jurnal Matematika dan Ilmu Pengetahuan Alam
Anita Florida Tanik, Anita Florida
Departemen Kimia, Fakultas Sains dan Teknologi, Unair
Mathematics

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Analisis Residu Profenofos dalam Tanah Secara Voltammetri Lucutan Menggunakan Elektroda Grafit Tanik, Anita Florida
Jurnal Matematika dan Ilmu Pengetahuan Alam Vol 17, No 2 (2015)
Publisher : Universitas Airlangga

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Abstract

This study aimed to determine the ability of stripping voltammetry using graphite electrodes in analyzing profenofos. In this study, profenofos was accumulated at 0.3 V (V, vs Ag/AgCl) for 60 seconds at pH 5. Subsequently, the optimum conditions were used to analyze profenofos 10 ppb. The study yielded a correlation coefficient (r) of calibration curve of 0.9967; precision between of 95.69 – 99.14%; sensitivity of 32.64 μA/ppb; detection limit of 0.0038 ppb and accuracy of 94 – 115%.Keywords : profenofos, graphite electrodes, voltammetry
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