Pengukuran Konsentrasi Larutan Sodium Hidroksida (NaOH) Dengan Transduser Kapasitif

Authors

  • Muhammad Hidayatullah Program Studi Teknik Elektro, FTI, Universitas Teknologi Sumbawa, Indonesia
  • Kuwat Triyana Jurusan Fisika, FMIPA, Universitas Gadjah Mada., Indonesia

DOI:

https://doi.org/10.25077/jif.10.1.17-27.2018

Abstract

 

Telah dilakukan pengukuran konsentrasi larutan sodium hidroksida (NaOH) menggunakan transduser kapasitif yang bekerja berdasarkan fenomena electrical capacitive tomography (ECT). Sebelum digunakan, transduser kapasitif diverifikasi  berdasarkan ASTM D.1076-02 terhadap sampel larutan getah lateks oleh Laboratorium Penguji Balai Penelitian Teknologi Karet Bogor. Jenis larutan yang diukur konsentrasinya dalam penelitian ini adalah larutan sodium hidroksida (NaOH) dengan pelarut air pada berbagai variasi konsentrasi. Larutan NaOH mewakili bahan elektrolit. Dalam pelaksanaan pengukuran konsentrasi larutan, dibutuhkan konsentrasi tertinggi sebagai referensi yang dalam hal ini larutan NaOH dengan konsentrasi 80%, sehingga dari grafik hasil pengukuran diperoleh nilai koefisien korelasi sebesar 0,999. Dengan demikian dapat disimpulkan bahwa transduser kapasitif mempunyai potensi yang tinggi sebagai alat alternatif untuk mengukur konsentrasi larutan dengan cepat tanpa preparasi sampel.

Kata kunci: transduser kapasitif, electrical capacitive tomography, konsentrasi larutan.

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Published

2019-09-25

How to Cite

Hidayatullah, M., & Triyana, K. (2019). Pengukuran Konsentrasi Larutan Sodium Hidroksida (NaOH) Dengan Transduser Kapasitif. JURNAL ILMU FISIKA, 10(1), 17–27. https://doi.org/10.25077/jif.10.1.17-27.2018

Issue

Vol. 10 No. 1 (2018): March 2018

Section

Research Article

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