Pengaruh Konsentrasi Inhibitor Dan Waktu Perenaman Pada Proteksi Baja Karbon Rendah Dengan Penambahan Inhibitor Ekstrak Campuran Cabe Dan Tomat Busuk Pada Lalutan HCl 0,5 M

Siswanto, Siswanto (2021) Pengaruh Konsentrasi Inhibitor Dan Waktu Perenaman Pada Proteksi Baja Karbon Rendah Dengan Penambahan Inhibitor Ekstrak Campuran Cabe Dan Tomat Busuk Pada Lalutan HCl 0,5 M. Other thesis, Universitas Darul Ulum.

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Abstract

ABSTRAK

Korosi merupakan suatu kerusakan pada material (umumnya logam) dikarenakan reaksi elektrokimia antara material dengan lingkungannya. Banyak faktor yang dapat menyebabkan korosi suatu material, salah satu diantaranya yakni pengaruh konsentrasi media korosi. Ada banyak metode untuk menghambat proses terjadinya korosi. Salah satu diantara banyak metode yaitu penggunaan inhibitor. Inhibitor organik salah satu jenis inhibitor yang bersifat non toksik, murah, sudah tersedia di alam, mudah di perbaharui dan tidak merusak lingkungan. Inhibitor organik tersebut di peroleh dengan mengeskstrak beberapa bahan yang ada di alam. Dalam penelitian ini menggunakan ekstrak cabe dan tomat busuk sebagai penghambat laju korosi. Inhibitor tersebut digunakan pada material baja karbon ST 37 dalam media HCl 0,5 M. Metode yang digunakan untuk mengambil data pada pengaruh konsentrasi inhibitor dan waktu perendaman pada proteksi baja karbon rendah dengan penambahan inhibitor ekstrak campuran cabe dan tomat busuk pada larutan HCl 0,5 M ini menggunakan metode berat yang hilang. Faktor A berpengaruh terhadap konsentrasi laju korosi baja, faktor B berpengaruh terhadap waktu perendaman pada laju korosi baja, faktor interaksi antara konsentrasi inhibitor ekstrak campuran cabe dan tomat busuk dan lama waktu perendaman pada baja karbon ST 37 terhadap laju korosi baja.

Kata kunci : korosi, konsentrasi ppm, baja karbon, laju korosi

ABSTRACT

Corrosion is a damage to a material (usually metal) due to an electrochemical reaction between the material and its environment. Many factors can cause corrosion of a material, one of which is the influence of the concentration of the corrosion media. There are many methods to inhibit the corrosion process. One of the many methods is the use of inhibitors. Organic inhibitor is a type of inhibitor that is non-toxic, inexpensive, readily available in nature, easy to renew and does not damage the environment. The organic inhibitors are obtained by extracting several materials that exist in nature. In this study, extracts of chili and rotten tomatoes were used as corrosion inhibitors. The inhibitor was used on ST 37 carbon steel material in 0.5 M HCl media. The method used to collect data on the effect of inhibitor concentration and immersion time on low carbon steel protection was the addition of inhibitors of mixed extracts of chili and rotten tomatoes in 0.5 HCl solution. This M uses the lost weight method. Factor A affects the concentration of the corrosion rate of steel, factor B affects the immersion time on the corrosion rate of steel, the interaction factor between the inhibitor concentration of the mixed extract of chili and rotten tomatoes and the immersion time on carbon steel ST 37 on the corrosion rate of steel.

Keywords: corrosion, ppm concentration, carbon steel, corrosion rate

Item Type: Thesis (Other)
Uncontrolled Keywords: corrosion, ppm concentration, carbon steel, corrosion rate
Subjects: T Technology > TJ Mechanical engineering and machinery
University Structure > Fakultas Teknik > Teknik Mesin
University Structure > Fakultas Teknik > Teknik Mesin
Divisions: Fakultas Teknik > Teknik Mesin
Depositing User: siswanto
Date Deposited: 07 Sep 2021 11:30
Last Modified: 07 Sep 2021 11:30
URI: http://repository.undar.ac.id/id/eprint/1403

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