Pengaruh pH dan Temperatur Terhadap Kinerja Elektroda Selektif Ion (ESI) Benzoat Tipe Kawat Terlapis Berbasis Aliquat 336-Kitosan.

Ni`mah, EnikFithrotun (2016) Pengaruh pH dan Temperatur Terhadap Kinerja Elektroda Selektif Ion (ESI) Benzoat Tipe Kawat Terlapis Berbasis Aliquat 336-Kitosan. Sarjana thesis, Universitas Brawijaya.

Abstract

Penelitian ini bertujuan untuk menentukan pH dan temperatur optimum elektroda selektif ion (ESI) benzoat tipe kawat terlapis berbasis aliquat 336-kitosan. ESI benzoat yang digunakan dalam penelitian ini menggunakan komposisi membran optimum yang terdiri dari kitosan, aliquat 336-benzoat, dioktilftalat (DOP), dan polivinil klorida (PVC) dengan perbandingan 2% : 0.5% : 60% : 37.5% (b/b) yang dilarutkan dalam tetrahidrofuran (THF) pada perbandingan 1 : 3 (b/v) dengan waktu perendaman optimum dalam larutan C6H5COOH 0,1 M selama 10 menit. Pengukuran beda potensial dilakukan pada rentang konsentrasi linier larutan baku kerja benzoat, yaitu 10-4–10-1 M. Pengukuran dalam penelitian ini berdasarkan pada prinsip potensiometri. Penelitian pengaruh pH dilakukan dengan memvariasi pH larutan baku kerja benzoat menjadi larutan dengan pH 3-9 dengan interval 1 tingkat pH menggunakan adjust buffer HCl 0,1 M dan NaOH 0,1 M. Sedangkan pengaruh temperatur dilakukan pada temperatur 27°C, 30°C, 40°C, 50°C, dan 60°C. Hasil dari penelitian menunjukkan bahwa pH dan temperatur berpengaruh terhadap kinerja ESI benzoat. pH dan temperatur optimum untuk ESI benzoat tipe kawat terlapis berbasis aliquat 336-kitosan adalah pH 7 dan temperatur 30oC.

Item Type: Thesis (Sarjana)
Identification Number: SKR/FK/2016/595/051610639
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 15:17
Last Modified: 19 Oct 2021 02:04
URI: http://repository.ub.ac.id/id/eprint/126305
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