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All Journal Kinetika International Journal of Research in Vocational Studies (IJRVOCAS) Aptekmas : Jurnal Pengabdian Kepada Masyarakat
Meilianti
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CHARACTERISTICS OF GLASS SOAP BASED ON VIRGIN COCONUT OIL (VCO) WITH THE ADDITION OF BASIL LEAF EXTRACT (OCIMUM BASILICUM L.) AS ANTISEPTICS Meilianti; Idha Silviyati; Adi Syakdani
KINETIKA Vol. 13 No. 02 (2022): KINETIKA 01072022
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Soap is formed from a mixture of fat or oil with sodium or potassium salts made through the saponification process ofthe reaction between triglycerides and alkali. Glass soap is a innovation in the form of solid soap which has a smallsize in the form of a thin sheet that is easier to carry when active outside the home. Basil leaves contain flavonoid,tannins, saponins and other active ingredients that can be used as antibacterial. Glycerin can be used as a mixture insoap making as a plasticizer because it can make the texture of the soap elastic. The process of making glass soapuses a saponification process with variations in the addition of glycerin concentrations (w/w) of 5.5%, 10.5%, 15.5%,20.5%, 25.5% in curing time for 15 days. The results of the analysis showed that glass soap with the addition of 10%glycerin concentration with a curing time of 15 days was the best formulation and met the characteristics of SNI. Theresults of the analysis showed that the water content was 0.45%, the material was insoluble in ethanol 1.20%, ALB1.5%, free alkali 0.05%, and pH 10.
Analysis of the Effect of Crystal form on Precipitated Calcium Carbonate (PCC) of Dead Coral Reefs with the Addition of HNO3 Concentration Meilianti; Nofiansah; Rizki, Dea Ayu Tri
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 1 (2024): IJRVOCAS - April
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i1.224

Abstract

Many dead coral reefs found on the coast have not been treated optimally and currently their use is still limited as decoration in aquariums. Coral reefs contain calcium carbonate, silicon dioxide, sodium oxide, magnesium peroxide, and Iron (III) oxide, with a calcium carbonate content of around 73.76%. Because of its high calcium carbonate content, it can be used as a raw material for making PCC (Precipitated Calcium Carbonate) which is widely used in the industrial, health and food sectors. The aim of this research is to obtain the optimal temperature and time for CaO levels, as well as the effect of nitric acid solution concentration on the yield with a high level of purity in PCC products using the carbonization method. The fixed variables are: coral reef mass, independent variables: temperature, calcination time and nitric acid concentration and dependent variables: CaO yield and CaCO3 levels. The calcination temperature used was 700℃, 750℃, 800℃, 850℃, 900℃ and HNO3 concentration 1.50M, 2.00M, 2.50 M, 3.00M, 3.50M with Ca analysis using AAS and PCC morphology and content using SEM-EDX. Optimal conditions are the results of calcination at a temperature of 900℃ with an HNO3 concentration of 3.50 M resulting in a yield of 76% with a purity of 98.58%, pH 8, white with a Ca concentration (ppm) of 1,962,630 and the crystal form obtained at 3.00 M HNO3 is calcite and 3.50 M HNO3 is vaterite.
PEMANFAATAN ECENG GONDOK DALAM PROSES PENJERNIHAN MINYAK GORENG BEKAS SKALA LOKAL Meilianti; Ida Febriana; Desti Lidya
Aptekmas Jurnal Pengabdian pada Masyarakat Vol 7 No 4 (2024): Aptekmas Volume 7 Nomor 4 2024
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Kegiatan Pengabdian Kepada Masyarakat ini berupa sosialisasi yang akan dilaksanakan pada bulan September 2024 bertempat di RT 28 Kelurahan Talang Kelapa Kecamatan Talang Kelapa, Kota Palembang dengan melibatkan kelompok PKK sebagai mitra sasaran. Metode yang digunakan adalah sosialisasi melalui presentasi menggunakan media slide serta pelatihan langsung tentang cara pembuatan bio-adsorben dari eceng gondok dan penerapannya dalam purifikasi minyak jelantah menggunakan metode adsorpsi. Hasil kegiatan menunjukkan bahwa peserta dapat memahami konsep pemanfaatan limbah eceng gondok sekaligus mengaplikasikannya untuk meningkatkan kualitas minyak goreng bekas agar mendekati mutu minyak baru sesuai standar. Kegiatan ini diharapkan mampu meningkatkan pengetahuan, keterampilan, serta kepedulian masyarakat dalam mengelola limbah perairan dan limbah rumah tangga sehingga lebih bernilai guna dan ramah lingkungan.
Co-Authors Desti Lidya Ida Febriana Idha Silviyati Nofiansah Rizki, Dea Ayu Tri Syakdani, Adi