RANCANG BANGUN SISTEM PENGUKURAN KONSENTRASI ION LOGAM Fe(III) MENGGUNAKAN METODE POTENSIOMETRI BERBASIS WEBSITE

AFRIZAL, NOPA and Royani, Idha and Saleh, Khairul (2022) RANCANG BANGUN SISTEM PENGUKURAN KONSENTRASI ION LOGAM Fe(III) MENGGUNAKAN METODE POTENSIOMETRI BERBASIS WEBSITE. Undergraduate thesis, Sriwijaya University.

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Abstract

Besi (Fe) merupakan logam berat dan juga salah satu unsur hara makro esensial yang sangat penting dalam kehidupan namun dapat bersifat toksik jika berlebihan dalam tubuh manusia karena dapat menyebabkan gangguan kesehatan, dan efek yang berbahaya. Penelitian ini merancang alat ukur untuk mendeteksi kandungan ion logam Fe(III) pada suatu larutan uji dan menerapkan metode potensiometri yang mampu mengintegrasikan mikrokontroler NodeMCU ESP8266 dengan jaringan Wi-Fi untuk dapat melakukan transmisi data hasil pengukuran yang dibaca sensor, sehingga dapat ditampilkan pada website yang dirancang dan disimpan dalam database yang tersedia. Laman website dapat diakses pada https://fisika-mipa-unsri.com. Alat ukur yang dirancang dilengkapi dengan ADS1115 sebagai konverter nilai tegangan menjadi nilai konsentrasi, sensor suhu DS18B20 untuk mengukur parameter suhu, dan sensor pH SKU SEN 0161 untuk mengukur parameter pH dalam larutan uji. Hasil pengukuran konsentrasi alat ukur pada range 1-10 ppm dengan ketelitian = 99,950% , %RSD =1,102%, dan error = 0,638%. Kata Kunci: NodeMCU ESP8266, ADS1115, website, ion Fe(III), potensiometri

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: NodeMCU ESP8266, ADS1115, website, ion Fe(III), potensiometri
Subjects: Q Science > QC Physics > QC501-(721) Electricity
Divisions: 08-Faculty of Mathematics and Natural Science > 45201-Physics (S1)
Depositing User: Nopa Afrizal
Date Deposited: 27 Sep 2023 08:35
Last Modified: 27 Sep 2023 08:35
URI: http://repository.unsri.ac.id/id/eprint/129252

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