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All Journal JBIO: jurnal biosains (the journal of biosciences) Indonesian Journal of Chemical Science and Technology
Anna Sakila
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology

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The Effect of Acids, Bases and Salts in Removing Rust Using the Electrolysis Method Kurniawan, Ekin Dwi Arif; Moondra Zubir; Alfira Julian Pratiwi; Rafidah Almira Samosir; Mutia Ardila; Agnes Aprilyani Br Silitonga; Anna Sakila; Dindy Louiza Pangaribuan; Geby Mai Irawan; Okta Miranda Samosir; Vivy Cintia Laudia Hutagaol
Indonesian Journal of Chemical Science and Technology (IJCST) Vol. 8 No. 2 (2025): JULY 2025
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v8i2.68718

Abstract

Corrosion is a natural process of metal deterioration caused by chemical or electrochemical reactions with the surrounding environment, and it commonly occurs in iron and steel. This study examined the use of electrolysis as a simple method to reduce rust on iron surfaces by applying several electrolyte solutions. The solutions tested included sodium chloride, citric acid, acetic acid, sodium bicarbonate, and water, each at a concentration of 10%, while citric acid was also varied up to 100%. Electrolysis was performed for 10 to 30 minutes on both positive and negative poles. The findings showed that sodium chloride solution gave the highest effectiveness in rust removal, with 0.93% rust loss on the negative pole and 0.58% on the positive pole. Increasing solution concentration and treatment time further improved the rust removal rate, reaching 2.50% at 30 minutes.
InnoClean Bio: Emulsion Engineering of Mangosteen and Pineapple Peel Extract as an Organic Cleaner Supporting the Circular Economy Dhea Ananda Nasution; Anna Sakila; Dwi Muliani; Siti Aisyah; Sri Muthii'ah Rizky; Sri Masnita Pardosi
JURNAL BIOSAINS Vol. 12 No. 2 (2026): JURNAL BIOSAINS
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/fhap2b28

Abstract

Pineapple peel and mangosteen peel waste have the potential to be used as raw materials for environmentally friendly organic cleaning products. This study aims to produce an eco-enzyme-based organic cleaning product through the fermentation of 150 grams of pineapple peel powder, 90 grams of mangosteen peel powder, and 1500 mL of water for 14 days. After fermentation, 2 tablespoons of vinegar and 3 mL of essential oil were added. Product characterization included pH, homogeneity, stability, and cleaning effectiveness tests. The results showed that the product's pH decreased from 5 to 4, had good homogeneity and stability, and produced little foam when used. The product is able to clean glass or mirrors, house floors, household appliances, and motor vehicles. In addition, the fermentation dregs have the potential to be used as organic fertilizer. The results show that InnoClean Bio has the potential to be an effective organic cleaning alternative while supporting the implementation of the circular economy concept by using organic waste into useful products.
Co-Authors Agnes Aprilyani Br Silitonga Dhea Ananda Nasution Dindy Louiza Pangaribuan Dwi Muliani Geby Mai Irawan Kurniawan, Ekin Dwi Arif Maulidiah Yasmin Moondra Zubir Mutia Ardila Nidaurrohmah Okta Miranda Samosir Pratiwi, Alfira Julian Royhan Ammar Sulthon Samosir, Rafidah Almira Siti Aisyah Sri Masnita Pardosi Sri Muthii'ah Rizky Vivy Cintia Laudia Hutagaol