Pengukuran Konsentrasi Larutan Gula Menggunakan Transduser Kapasitif

Authors

  • Muhammad Hidayatullah
  • Kuwat Triyana

DOI:

https://doi.org/10.25077/jif.9.1.43-56.2017

Abstract

Telah dilakukan penelitian tentang pengukuran konsentrasi larutan 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 gula dengan pelarut air dengan variasi konsentrasi. Dalam pengukuran ini, digunakan konsentrasi larutan tertinggi sebagai referensi yaitu konsentrasi larutan gula 95%. Sedangkan sebagai pembanding pengukuran, digunakan konsentrasi larutan gula variasi konsentrasi dengan referensi larutan gula 80%. Untuk larutan gula dengan konsentrasi referensi 95%, diperoleh hubungan linier antara konsentrasi larutan ujinya dengan konsentrasi terukur pada alat dengan nilai koefisien korelasi sebesar 0,999. Nilai koefisien korelasi menurun menjadi 0,996 pada saat konsentrasi referensi yang digunakan 80%. Dengan demikian dapat disimpulkan bahwa transduser kapasitif mempunyai potensi yang tinggi sebagai alat alternatif untuk mengukur konsentrasi larutan gula dengan cepat tanpa preparasi sampel yang dapat digunakan oleh masyarakat dalam mengetahui kadar gula yang beredar dipasaran.

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

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How to Cite

Hidayatullah, M., & Triyana, K. (2017). Pengukuran Konsentrasi Larutan Gula Menggunakan Transduser Kapasitif. JURNAL ILMU FISIKA, 9(1), 43–56. https://doi.org/10.25077/jif.9.1.43-56.2017

Issue

Vol. 9 No. 1 (2017): March 2017

Section

Research Article

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