PENGEMBANGAN SENSOR SULFAT BERBASIS PTHFA DENGAN MENGGUNAKAN ELEKTRODA SCREEN-PRINTED

SUPRIYADI, ADITYA (2019) PENGEMBANGAN SENSOR SULFAT BERBASIS PTHFA DENGAN MENGGUNAKAN ELEKTRODA SCREEN-PRINTED. S1 thesis, Universitas Mercu Buana.

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Abstract

Sulfate sensors are widely applied in agriculture, food, industry and health. In this study the sulfate sensor was developed with a screen-printed electrode using poly tetrahydrofurfuryl acrylate (pTHFA) as a membrane on the electrode surface prepared by the polymer photo technique. Poly tetrahydrofurfuryl acrylate (pTHFA) membrane is polymerized above the pyrrol layer by the cyclic voltammetry method. Where in this study the optimum use of cyclic values is found in 7 cyclic with the number of Nernst (slope) produced which is equal to 58.665 mv / decade. The results of lipophilic salt optimization based on variations in the composition of tetradodecyl ammonium chloride (TDDACl) in the manufacture of poly tetrahydrofurfuryl acrylate (pTHFA) membrane layers showed optimum results on TDDACl composition of 1 mg with slope values - 26,988 mv / decade and linear regions 10-1 - 10-4 and the results of ionophor optimization based on variations in the composition of the ionophore sulfate showed optimum results with a ratio of 1: 2 with a slope value of -27,257 mv / decade and a linear region of 10-1 - 10-4. The selectivity test results showed the selectivity for each ion was Acetate (CH3OO) -) -1.02, Dihydrogen phosphate (H2PO4-) -2.72, Dihydrogen phosphate (H2PO4-) -0.75, Hydrogen phosphate (HPO42-) -2.72, Chlorine (Cl-) -0.82, Nitrate (KNO3) -0.63 and Iodate (IO3-) -0.54, real sample measurement results show that there is no significant difference so that it can be said that the Sensor (ESI SO4-2) can work well and is ready to use. Keywords: poly tetrahydrofurfuryl acrylate (pTHFA), sufate sensor, screen-printed electrode, sulfate ion selective electrode. Sensor sulfat banyak diaplikasikan dalam bidang pertanian, makanan, industri maupun kesehatan. Dalam penelitian ini sensor sulfat dikembangkan dengan elektroda screen�printed menggunakan poly tetrahydrofurfuryl acrylate (pTHFA) sebagai membran pada permukaan elektroda yang dipreparasi dengan teknik foto polimer. Membran poly tetrahydrofurfuryl acrylate (pTHFA) dipolimerisasikan diatas lapisan pyrrol dengan metode voltametri siklik. Dimana dalam penelitian ini menggunakan nilai siklik optimum terdapat pada 7 siklik dengan bilangan Nernst (slope) yang dihasilkan yaitu sebesar 58,665 mv/dekade. Hasil optimasi garam lipofilik berdasarkan variasi komposisi tetradodecyl ammonium clorid (TDDACl) dalam pembuatan lapisan membran poly tetrahydrofurfuryl acrylate (pTHFA) menunjukkan hasil optimum pada komposisi TDDACl sebanyak 1 mg dengan nilai slope –26,988 mv/dekade dan daerah linier 10-1 - 10-4 dan hasil optimasi ionofor berdasarkan variasi komposisi sulfate ionophore menunjukan hasil optimum dengan perbandingan 1:2 dengan nilai slope - 27.257 mv/dekade dan daerah linier 10-1 - 10-4 .Hasil uji selektivitas menunjukkan selektivitas untuk masing-masing ion adalah Acetat (CH3OO- ) -1,02, Dihidrogen fosfat (H2PO4 - ) -2,72, Dihidrogen fosfat (H2PO4 - ) -0,75, Hidrogen fosfat (HPO4 2- ) -2,72, Klor (Cl- ) -0,82, Nitrat (KNO3) -0,63 dan Iodat (IO3 - ) -0,54, Hasil pengukuran real sample memperlihatkan menunjukkan perbedaan yang tidak signifikan sehingga dapat dikatakan Sensor (ESI SO4 -2 ) dapat bekerja secara baik dan siap digunakan. Kata kunci : poly tetrahydrofurfuryl acrylate (pTHFA) ,sensor sufat, elektroda screen�printed, elektroda selektif ion sulfat

Item Type:	Thesis (S1)
Call Number CD:	FT/MSN. 19 161
Call Number:	ST/13/19/067
NIM/NIDN Creators:	41315010015
Uncontrolled Keywords:	poly tetrahydrofurfuryl acrylate (pTHFA) ,sensor sufat, elektroda screen�printed, elektroda selektif ion sulfat
Subjects:	500 Natural Science and Mathematics/Ilmu-ilmu Alam dan Matematika > 540 Chemistry/Kimia > 541 Physical Chemistry/Kimia Fisik > 541.2 Theoretical Chemistry/Teori Kimia, Kimia Teoritis 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 600 Technology/Teknologi > 680 Manufacture For Specific Uses/Industri Pembuatan produk untuk penggunaan tertentu > 681 Precision Instruments/Produksi Instrumen Presisi > 681.2 Testing, Measuring, Sensing Instruments/Produksi Alat-alat untuk Tes, Pengujian dan Sensor
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	Dede Muksin Lubis
Date Deposited:	21 Feb 2022 03:56
Last Modified:	10 Dec 2022 01:34
URI:	http://repository.mercubuana.ac.id/id/eprint/56424

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