Indonesian Journal of Pure and Applied Chemistry
Vol 8, No 1 (2025)

COMPARATIVE OF INHIBITORY EFFICIENCY OF LIGNIN EXTRACT OF NIPAH (Nypa fruticans Wurmb) PEEL AND FROND ON MILD STEEL IN HCl MEDIUM

Emriadi, Emriadi (Unknown)
Sartika, Hilda (Unknown)
Pradiwi, Nailatul Zahrah (Unknown)
Stiadi, Yeni (Unknown)

Article Info

Publish Date
21 Aug 2025

Abstract

Lignin extract from nipah fruit skin and nipah frond (Nypa fruticans Wurmb) was effectively extracted and used as a corrosion inhibitor on mild steel samples. The corrosion inhibition efficiency of lignin extract in 1 N HCl solution was determined by the weight loss method and surface morphology analysis using an optical microscope. The measurement results showed that the highest efficiency was obtained at the concentration of lignin extract from fruit skin (ELBN) and nipah frond (ELPN) of 82.16 and 78.36%. The adsorption of lignin extract on the surface of mild steel follows the Langmuir isotherm adsorption and includes mixed adsorption leading to chemical adsorption.

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Journal Info
Indonesian Journal of Pure and Applied Chemistry
Website

Abbrev

IJoPAC

Publisher

Universitas Tanjungpura

Subject

Biochemistry, Genetics & Molecular Biology Chemistry

Description

Indonesian Journal of Pure and Applied Chemistry (IJoPAC) was first established in 2018 as a scientific journal that accommodates researchers and education practitioners to publish scientific work and research results which are the results of experiments or literature studies in the field of ...