https://journal.ua.ac.id/index.php/jkimia/issue/feedLigan : Journal of Chemistry and Science2026-08-12T22:33:09+00:00Open Journal Systems<p>Jurnal Ligan merupakan jurnal open acesses yang dipublikasikan oleh Prodi Kimia Universitas Annuqayah sejak Juli 2024. Jurnal ini terbit dua kali dalam setahun, yaitu pada bulan <strong>Januari dan Juli.</strong> Jurnal ini memuat artikel dengan topik ilmu kimia, biokimia, kimia pangan, kimia lingkungan, kimia organik, kimia anorganik, kimia analitik, dan sains dasar lainnya. Artikel dapat dikirimkan dalam bahasa Indonesia</p>https://journal.ua.ac.id/index.php/jkimia/article/view/796Validation of the NaCl Analysis Method in Fine Salt Using Argentometric Method2026-08-12T22:33:09+00:00Barrotut Taqiyah Barrotut Taqiyahbarrotuttaqiyah600@gmail.comRobi'atul andawiyahbarrotuttaqiyah600@gmail.com<p>This study aims to determine the level of NaCl in salt whether it is in accordance with the <br>determination of SNI quality requirements and is suitable for consumption of salt is a fairly <br>many marine resources needed as a food complement material for the community. Salt has a <br>collection of chemical compounds with the largest constituent of NaCl and Caso4, MgSO4 and <br>MgCl2]. Salt analysis is needed because salt has the appropriate standard of standard so that it <br>can be used, both for industrial needs or for community food needs. This research was <br>analyzed by NaCl levels using the arrgentometric titration method. The argentometry method <br>is an analytical chemical method for determining the levels of substances in the solution using <br>AgNO3 as a titrant based on the formation of silver deposits (Ag). Based on the results of the <br>study obtained a value of 0.257% for analysis of insoluble parts of water. The data shows that <br>the insoluble part of water in the segoromadu salt solution has met the determination of the <br>quality requirements of the Indonesian National Standard (SNI 3556: 2024), which is a <br>maximum of 0.5%. While the NaCl content obtained is 93.6% with non -SNI procedures and <br>51.8% using SNI prose From the data obtained shows that the value obtained is not in <br>accordance with the minimum requirements of NaCl salt levels consumption of iodine found <br>in SNI 3556: 2024 which is a minimum of 94%</p>2026-07-30T00:00:00+00:00Copyright (c) 2026 Ligan : Journal of Chemistry and Sciencehttps://journal.ua.ac.id/index.php/jkimia/article/view/1169UJI AKTIVITAS ANTIBAKTERI EKSTRAK KAMANDIN SAEBO (Glossocardia leschenaultii [Cass.] Veldkamp) TERHADAP BAKTERI Staphylococcus aureus2026-08-12T21:46:06+00:00nadia alfiaombaksegoro56@gmail.comRatno budiyantoratno.by@gmail.comUlfatun hasanahratno.by@gmail.com<table width="624"> <tbody> <tr> <td width="470"> <p><strong><em>A b t r a c t</em></strong></p> <p><em>Kamandin saebo is a plant that is believed to contain secondary metabolites that have antibacterial, antiviral and anti-inflammatory activity. This study aims to determine the antibacterial activity of kamandin saebo extract against Staphylococcus aureus bacteria, to determine the effect of the catalase peroxidase test on Staphylococcus aureus bacteria, and to determine the best concentration of kamandin saebo extract in suppressing the growth of Staphylococcus aureus. The method used was disc diffusion and analysis using SPSS. From this method, what is obtained is the presence or absence of a clear area formed around the paper disc which indicates an inhibition zone for the growth of the test bacteria. The solvent used was 96% ethanol and the concentrations used were 20%, 40%, 60%, 80%, 100%. The results of this study were that the kamandin saebo extract using 96% ethanol solvent produced a yield of 3.82%, and Staphylococcus aureus is classified as a bacteria that can break down H2O2 into oxygen with the presence of air bubbles in the catalase peroxidase test. The largest inhibition zone was formed at a concentration of 40% with an inhibition zone diameter of 10 mm. From the SPSS data, it shows that a significant value of 0.40 <0.5 was obtained, which means that the antibacterial activity of the kamandin saebo extract can suppress the growth of Staphylococcus aureus bacteria.</em></p> <p> </p> </td> </tr> </tbody> </table>2026-07-30T00:00:00+00:00Copyright (c) 2026 Ligan : Journal of Chemistry and Science