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All Journal International Journal of Health, Engineering and Technology
Habiba Siti Ardhila
Universitas Tjut Nyak Dhien
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Dentistry Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary

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Determination Of The Level Of Medium Acid Drug Compounds By Semi-Water-Free Titration Nilsya Febrika Zebua; Ristina Hasibuan; Nerdy Nerdy; Habiba Siti Ardhila; Pingkan Pingkan; Siti Nur Azizah; Muhammad Aidil; Revalia Putri Nirwana; Jessica Rany; Hafifah Izmanaini Nasution
International Journal of Health Engineering and Technology Vol. 5 No. 3 (2026): SEPTEMBER 2026
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhet.v5i3.1182

Abstract

Salicylic acid is a compound widely used in topical preparations, so determining its levels is necessary to ensure product quality and safety. This study aims to determine the levels of salicylic acid in salicylic acid and salicyl powder samples using the semi-aqueous titration (TSBA) method. The study was conducted experimentally in a laboratory using 0.1 N NaOH as a titrant and phenolphthalein as an indicator. Each sample was analyzed three times. The results showed that the salicylic acid levels were 27.63%, 42.78%, and 24.79%, respectively, while the levels in the salicyl powder sample were 80.01%, 87.10%, and 88.12%. Variations in levels between repetitions can be influenced by weighing accuracy, sample homogeneity, dissolution process, burette reading, and titration endpoint determination. The TSBA method can be used as a simple method for quantitative determination of salicylic acid compounds.
Co-Authors Hafifah Izmanaini Nasution Jessica Rany Muhammad Aidil Nerdy, Nerdy Nilsya Febrika Zebua, Nilsya Febrika Pingkan Pingkan Revalia Putri Nirwana Ristina Hasibuan Siti Nur Azizah