Pembuatan Elektroda Selektif Ion (ESI) Benzoat Tipe Kawat Terlapis Berbasis Aliquat 336-Kitosan.

Pamungkas, YustikaPujiCandra (2016) Pembuatan Elektroda Selektif Ion (ESI) Benzoat Tipe Kawat Terlapis Berbasis Aliquat 336-Kitosan. Sarjana thesis, Universitas Brawijaya.

Abstract

Elektroda Selektif Ion (ESI) adalah suatu alat ukur berdasarkan prinsip potensiometri yang dapat digunakan untuk menganalisis ion secara selektif. Penelitian ini bertujuan untuk menentukan komposisi dan waktu prakondisi optimum ESI benzoat tipe kawat terlapis berbasis aliquat 336-kitosan yang mendekati nilai faktor Nernst teoritis. ESI terdiri dari kawat platina terlapis membran dengan bahan aktif aliquat-336 dan kitosan serta bahan pendukung Polyvinyl Chloride (PVC), Dioctyl Phthalate (DOP) pada berbagai komposisi, dan dilarutkan dalam Tetrahydrofuran (THF) dengan perbandingan 1:3 (b/v). Pengukuran dilakukan dalam larutan uji benzoat konsentrasi 10-8-10-1 M. Optimasi waktu prakondisi dilakukan dengan mengukur potensial larutan benzoat 10-8-10-1M dalam variasi waktu 10, 20, 30, 40, 50, 60, 70 menit setelah direndam dalam larutan benzoat 0,1 M. Hasil penelitian menunjukkan bahwa komposisi optimum membran ESI benzoat yaitu (%b/b) kitosan : aliquat 336-benzoat : PVC : DOP = 2 : 0,5 : 37,5 : 60 yang menghasilkan ESI benzoat tipe kawat terlapis mendekati nilai faktor Nernst teoritis yaitu 59,63 mV/dekade konsentrasi dengan lama prakondisi selama 10 menit dalam larutan benzoat 0,1 M

Item Type: Thesis (Sarjana)
Identification Number: SKR/FK/2016/594/051610638
Subjects: 600 Technology (Applied sciences) > 615 Pharmacology and therapeutics > 615.1 Drugs (materia medica)
Divisions: Fakultas Kedokteran > Farmasi
Depositing User: Budi Wahyono Wahyono
Date Deposited: 21 Nov 2016 15:12
Last Modified: 19 Oct 2021 02:03
URI: http://repository.ub.ac.id/id/eprint/126304
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