PENGEMBANGAN METODE ANALISIS POTENSIOMETRI DENGAN MENGGUNAKAN ION SELEKTIF ELEKTRODA MERKURI(ISE-HG) DARI SENYAWA IONOFOR 7,16-DITHENOYL-1,4,10,13-TETRAOKSA-7,16-DIAZACYCLOOCTADECANE (DTODC) UNTUK PENENTUAN ION MERKURI (HG)

Cintya, Henni (2014) PENGEMBANGAN METODE ANALISIS POTENSIOMETRI DENGAN MENGGUNAKAN ION SELEKTIF ELEKTRODA MERKURI(ISE-HG) DARI SENYAWA IONOFOR 7,16-DITHENOYL-1,4,10,13-TETRAOKSA-7,16-DIAZACYCLOOCTADECANE (DTODC) UNTUK PENENTUAN ION MERKURI (HG). Undergraduate thesis, UNIMED.

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Abstract

Penelitian ini bertujuan untuk mengembangkan proses pembuatan Ion Selektif Elektroda (ISE) senyawa ionofor turunan azacrown yang memiliki sensitifitas dan selektifitas yang tinggi dalam penentuan kadar ion logam merkuri. Pembuatan Ion Selektif Elektroda Merkuri (ISE-Hg) menggunakan ionofor sudah banyak dilakukan dilakukan sebelumnya. Namun pada penelitian ini ionofor yang digunakan dibuat dengan cara mensintesis suatu senyawa aktif dari bahan dasar 1;4;10;13-tetraoxa-7;16-diazacyclooctadecane (DC) untuk menghasilkan ionofor 7;16-dithenoyl-1;4;10;13-tetraoxsa-7;16-diazacyclooctadecane (DTODC). Sintesis ini dilakukan dengan cara adisi dan substitusi 2-Thenoyl Klorida pada 1;4;10;13-tetraoxa-7;16-diazacyclooctadecane (DC) dengan kehadiran Piridin dengan mengambil perbandingan yang terbaik dari peneliti sebelumnya yaitu perbandingan 3:10. Sehingga dari hasil sintesis ini didapatkan hasil sintesis yang berupa kristal putih yang merupakan senyawa aktif DTODC. Hasil dari Spektroskopi IR menunjukkan bahwa adanya gugus karbonil yang merupakan jelas substituen itu ada dalam hasil sintesis. Penelitian ini dilanjutkan dengan pembuatan membran yang terbuat dari campuran hasil sintesis yaitu ionofor DTODC; PVC; KTpClPB dan THF; sehingga dari hasil membran yang dibuat dapat dijadikan sebagai komponen pembuatan elektroda ISE. Pada penelitian ini pembuatan membran dilakukan dengan metode Spattring pemilihan metode ini dikarenakan untuk memperoleh lapisan membran yang sangat tipis yang bertujuan membuat membran lebih sesitif dan selektif saat pengujian. Setelah salah satu ujung pipa dipasang membran; maka selanjutnya adalah dengan memasukkan larutan internal antara lain NaCl 3 M dan digunakan elektroda pembanding Ag/AgCl untuk pengujian dengan menggunakan alat potensiometri.

Item Type: Thesis (Undergraduate)
Contributors:
ContributionNameNIDN/NIDK
Thesis advisorPurba, Jamalum196412071991031002
Call Number: 540 Cin p
Keywords: ISE-Hg; membran; pengembangan; ionofor; senyawa ionofor; bahaya merkuri; potensiometri; spektroskopi
Subjects: Q Science > QD Chemistry
Q Science > QD Chemistry > QD625 Radiation chemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia
Depositing User: Mrs Desy Sry Yani
Date Deposited: 08 Apr 2016 08:34
URI: http://digilib.unimed.ac.id/id/eprint/11932

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