KWARTANIA, ANDARANTI (2021) PENGEMBANGAN ELEKTRODA REFERENSI Cu/CuSO4 PADATAN BERBASISKAN MEMBRAN FOTOPOLIMER pHEMA. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
The Cu/CuSO4 reference electrode is one of the reference electrodes, which can be used as an alternative to the saturated calomel electrode and the Ag/AgCl electrode. The Cu/CuSO4 reference electrode in its use is still in the form of conventional and development is still limited. Therefore this study tries to develop more the Cu/CuSO4 electrodes with the type of solids with materials that are more simple, and low-cost as well as membrane-based fotopolimer pHEMA. In this study, 3 variations of Cu/CuSO4 solid-state reference electrode were prepared using poly (Hydroxyethyl) Methacrylate (pHEMA) as a membranes with photopolymer technique. The three electrodes were tested for mV with a solution of pH 4, pH 7 and pH 10, whereas in Cu/CuSO4 III electrode as the best Cu/CuSO4 reference electrode with an mV value of 11,4 mV. The Cu/CuSO4 reference electrode III are further tested, namely cyclic voltammetry testing, pH sensor Vs testing, and drift testing. In this test, the Cu/CuSO4 reference electrode III produced the same cyclic voltammogram chart pattern as the Ag/AgCl reference electrode. In the Vs sensor test, the slope value of the Cu/CuSO4 reference electrode III was 50,933 mV/decade and the slope value in the Ag/AgCl reference electrode was 45,55 mV/decade. The results showed that the Cu/CuSO4 reference electrode III showed a fairly good stability with a drift value of 0.5 mV/minute from the drift test results. Keywords: Solid-state reference electrode, Photopolymer, pHEMA, Cu/CuSO4, Ag/AgCl Elektroda Cu/CuSO4 merupakan salah satu dari elektroda referensi, yang dapat dijadikan alternatif lain dari elektroda kalomel dan elektroda Ag/AgCl. Elektroda referensi Cu/CuSO4 dalam penggunaanya masih dalam bentuk konvensional dan pengembangannya masih terbatas. Maka dari itu penelitian ini mencoba mengembangkan lagi elektroda Cu/CuSO4 dengan jenis padatan dengan bahan yang lebih sederhana, dan berbiaya murah serta berbasiskan membran fotopolimer pHEMA. Dalam penelitian ini telah dilakukan preparasi 3 variasi elektroda Cu/CuSO4 jenis padatan yang dikembangkan menggunakan poly (Hydroxyethyl) Methacrylate (pHEMA) sebagai membran dengan teknik fotopolimer. Ketiga elektroda dilakukan pengujian mV dengan larutan pH 4, pH 7 dan pH 10, dimana pada elektroda Cu/CuSO4 III sebagai elektroda referensi Cu/CuSO4 terbaik dengan nilai mV sebesar 11,4 mV. Elektroda referensi Cu/CuSO4 III dilakukan pengujian selanjutnya yaitu pengujian voltametri siklik, pengujian Vs sensor pH, dan pengujian drift. Pada pengujian ini Elektroda referensi Cu/CuSO4 III menghasilkan pola grafik cyclic voltammogram yang sama dengan elektroda referensi Ag/AgCl. Pada pengujian Vs sensor, nilai slope pada elektroda referensi Cu/CuSO4 III sebesar 50,933 mV/dekade dan nilai slope pada elektroda referensi Ag/AgCl sebesar 45,55 mV/dekade. Kemudian dilanjutkan dengan pengujian Vs sensor pH nilai slope pada elektroda referensi Cu/CuSO4 sebesar 50,933 mV/dekade dan nilai slope pada elektroda referensi Ag/AgCl sebesar 45,55 mV/dekade. Hasil penelitian menunjukkan bahwa elektroda referensi Cu/CuSO4 III memperlihatkan kestabilan yang cukup baik yaitu dengan nilai drift sebesar 0,5 mV/menit dari hasil pengujian drift. Kata kunci: Elektroda referensi padatan, Fotopolimer, pHEMA, Cu/CuSO4, Ag/AgCl
| Item Type: | Thesis (S1) |
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| NIM/NIDN Creators: | 41317120056 |
| Uncontrolled Keywords: | Elektroda referensi padatan, Fotopolimer, pHEMA, Cu/CuSO4, Ag/AgCl |
| Subjects: | 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.8 Machine Engineering, Machinery/Teknik Mesin |
| Divisions: | Fakultas Teknik > Teknik Industri |
| Depositing User: | Dede Muksin Lubis |
| Date Deposited: | 04 Jan 2022 07:48 |
| Last Modified: | 04 Jan 2022 07:48 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/53520 |
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