Biblio Discovery — Demo Discovery Service

155 results

Showing 1–20 · 0.23 seconds · RSS

Journal

Al-Kimia

ISSN 2302-2736 · Faculty of Science and Technology Alauddin State Islamic University of Makassar · 155 articles in the index

  1. Journal Article

    Komparasi Bioplastik Berbasis Pati sagu (Genus Metroxxlen,SP) dengan Plastisizer Glyserol dari Minyak Jelantah Melalui Proses Esterifikasi

    Khairun Nisah

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    The results of Esterification of waste frying oil is used in this study as bioplastic plasticizers. Sago plate (Genus Metroxxlen, SP), as bioplastic matrix due to amylopectin content. This study intend to utilize waste frying oil and increase the benefits of sago as a bioplastic. The method of…

  2. Journal Article

    Uji Aktivitas dari Ekstrak Etanol Daun Bilajang Bulu (Merremia vitifolia) terhadap Bakteri Staphylococcus Aureus

    Ella Hasanah; Ni Komang Ayu; dela puspita et al.

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    Penelitian ini bertujuan untuk mengetahui aktivitas ekstrak etanol daun Bilajang Bulu (Merremia vitifolia) terhadap bakteri Staphylococcus aureus. Dewasa ini, salah satu tumbuhan yang di manfaatkan sebagai obat oleh masyarakat terutama masyarakat di Kabupaten Luwu Provinsi Sulawesi Selatan, yaitu…

  3. Journal Article

    Aplikasi Membran Filter Keramik Untuk Menurunkan Konsentrasi Zat Warna Remazol Red dan Nilai COD Limbah Cair Batik

    Nur Fitriana; Maya Rahmayanti

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    Research on the application of ceramic filter membranes in reducing remazol red dye concentration and COD value of batik liquid waste has been carried out. The purpose of this study was to reduce the remazol red dye concentration and the COD value of batik wastewater using a ceramic filter…

  4. Journal Article

    The Carbon Effect in Biodiesel Synthesis

    Mohammad Arfi Setiawan; Brilian Gema Morentera

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    Biodiesel is synthesized from the trans-esterification reaction of vegetable oil and alcohol using a catalyst such as acids, bases or enzymes. The acid catalyst that is often used is sulfuric acid; H2SO4, and HCl while most of base catalysts are NaOH and KOH. The aim of this study is to determine…

  5. Journal Article

    Pengaruh Suhu Kalsinasi dan Waktu Kukus Terhadap Aktivasi Limbah Praktikum Isotherm Freundlich Di Laboratorium Kimia Analitik

    I Ketut Lasia; Ni Made Wiratini

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    This study aims to determine the effect of calcination temperature and steaming time on the activation of freundlich isotherm practicum waste (LPIF) in the Analytical Chemistry Laboratory. The LPIF was taken from the waste of the Physical Chemistry Practicum at the Analytical Chemistry Laboratory…

  6. Journal Article

    Active Compounds Of Ethyl Acetate Extract Of Stylotella Sp. Sponges From Selayar Islands Against Mcf-7 Breast Cancer Cells

    Asriani Ilyas; Sahyuni Hamzah; Firnanelty Firnanelty et al.

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    Stylotella sp. sponge is a type of marine invertebrate animals that are widely distributed in Indonesian marine areas. One of the spreading areas of the Stylotella sp. sponge is in the Selayar Islands, South Sulawesi, Indonesia. Sponges have potential as a drug because they contain secondary…

  7. Journal Article

    Aplikasi Tepung Cacing Tanah (Lumbricus rubellus) Untuk Meningkatkan Kadar Omega-3 Dan Omega-6 Ikan Bandeng (Chanos chanos) Budidaya Tambak

    Ismail Marzuki; Irwan Paserangi; Muhammad Yusuf Ali

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    The quality of milkfish (Chanos chanos) in ponds cultivation is low. Small body size, pale body surface, odor of mud and low nutritional value cause not compete in the retail market, due to ponds experiencing burnout due to excessive use of synthetic fertilizers and pesticides. The aim of this…

  8. Journal Article

    Mechanism and inhibition efficiency of biomass Tetraselmis chuii sp. on carbon steel corrosion in the environment under the conditions of oil wells

    Yayan - Sunarya; Heli Siti H; Munawaroh Munawaroh et al.

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    Corrosion control on petroleum pipe wells can only be done through the addition of corrosion inhibitors. In this study, the corrosion inhibitors studied were sourced from marine microorganisms, namely the type of microalgae Tetraselmis chuii sp. The aim to be achieved in this study was to determine…

  9. Journal Article

    Dekolorisasi Malachite Green oleh Reagen Fenton: Optimalisasi Parameter dan Studi Kinetika

    Said Ali Akbar

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    The study of the decolorization of Malachite Green in solution using the Fenton reagent has been investigated. The effects of different reaction parameters such as hydrogen peroxide concentration, iron ion concentration, pH of the solution, and initial dye concentration have been carried out. In…

  10. Journal Article

    Determination of Ascorbic Acid Content using the Reverse Phase–High Performance Liquid Chromatography (RP-HPLC) Method

    Nurul Ismillayli; Dhony Hermanto; I. G. A. Sri Andayani et al.

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    A method of reverse phase-high performance liquid chromatography (RP-HPLC) was evaluated in ascorbic acid determination. The determination was conducted at optimum conditions for RP-HPLC method, including ethanol as mobile phase, flow velocity of 0.8 mL/min, running time of 5 minutes, injection…

  11. Journal Article

    Plastic Pyrolisis of Low Density Polyethylene (LDPE) Using Bleaching Earth (BE) Catalyst Become Liquid Fuel

    Sri Widya Astuti Abidin; Nurmalasari Nurmalasari; Sumiati Sumiati et al.

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    This study aims to determine the effect of adding Bleaching Earth (BE) catalyst to the amount of liquid fraction by pyrolysis of Low Density Polyethylene (LDPE) and find out the concentration of gasoline and diesel fractions from plastic pyrolysis Low density polyethylene (LDPE). The method in this…

  12. Journal Article

    Deasetilasi Kitin Cangkang Rajungan (Portunus pelagicus) Menjadi Kitosan Menggunakan Iradiasi Microwave

    Robby Gus Mahardika; Muhammad Jumnahdi; Yekti Widyaningrum

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    The crab shell (Portunus pelagis) is still an untapped waste, especially on Bangka Island. Actually, this shell has a high value because there is chitin and chitosan. Chitosan is a biopolymer which has recently been developed into adsorbents, membranes and edible films. The deacetylation process of…

  13. Journal Article

    Synthesis Of L-Menthyl Acetic by Esterification L-Menthol and Acetic Anhydride with Variation Of Time

    Novia Suryani; A Ghanaim Fasya; Rurini Retnowati et al.

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    l-menthyl acetic is an ester with specific aroma that synthesized by reaction of l-menthol and acetic anhydride and useful in fragrance industry. This paper reports influenced variation of time reaction toward ester product and characteristics l- menthyl acetic based on TLC, FTIR, GC and GC-MS…

  14. Journal Article

    Aktivitas Antibakteri Turunan Kalkon Tersubstitusi Bromo Terhadap Bakteri Bacillus subtilis dan Escherichia coli

    Retno Aliyatul Fikroh; Sabirin Matsjeh; Chairil Anwar

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    Pengembangan obat antibiotik dalam menanggulangi penyakit akibat infeksi bakteri semakin meluas. Hal ini diiringi dengan semakin meningkatnya prevalensi retensi terhadap antibiotik. Banyaknya kasus retensi terhadap antibiotik menyebabkan perlu dilakukan pengembangan agen antibakteri yang salah…

  15. Journal Article

    Pemodelan Homologi Komparatif Struktur 3d Protein dalam Desain dan Pengembangan Obat

    Fredy Z Saudale

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    One of the strategies applied in the initial steps of drug design and discovery is by utilizing the availability of 3D protein structures. However, most of functional protein structures have not been fully obtained experimentally to date. This is due to the difficulty of procedures, the high cost…

  16. Journal Article

    Isolasi dan Uji Aktivitas Antioksidan Metabolit Sekunder dari Ekstrak Etil Asetat Kulit Batang Kangkang Katup (Bauhinia semibifida Roxb)

    Haiyul Fadhli; Anita Lukman; Robiatun Adawiyah

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    Antioxidant was a compound which possessed an activity as scavenger of free radicals. This study was aimed to examine the antioxidant activity of ethyl acetate fraction and isolated compound from stem barks of Bauhinia semibifida Roxb. Samples extracted by gradual maceration with n-hexane solvent…

  17. Journal Article

    Modified CaO Catalyst from Golden Snail Shell (Pomacea canaliculata) for Transesterification Reaction of Used Cooking Oil

    Siti Rodiah; Desti Erviana; Fachtur Rahman et al.

    Al-Kimia, Vol. 8 No. 1 · 2020 · Indonesian · DOAJ

    One of alkaline earth metal oxide is calcium oxide, CaO has more attention because it has high strength, low solubility in methanol, and can be synthesized from sources that are easy to obtain. One of the sources of CaO and showed its catalytic properties was the golden snail shell. In this study…

  18. Journal Article

    Kapasitas Adsorpsi Biomassa Paku Air (Lemna minor linn) Teresterifikasi Oleh Asam Sitrat Terhadap Mangan(Ii)

    Anita Anita; Titin Anita Zaharah; Ajuk Sapar

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    Research on the adsorption of Mn (II) ions has been carried out using biomass duckweed (Lemna minor linn) with the esterified by citric acid. This study aims to determine the maximum adsorption capacity of Mn (II) ions in using adsorbent biomass of duckweed esterified by citric acid. Water nail…

  19. Journal Article

    Perubahan Pola Kromatografi Lapis Tipis Ekstrak Daun dan Batang Teh (Camellia sinensis (L.) Kuntze) yang Menjadi Inang bagi 3 Benalu Berbeda

    Irmanida Batubara; Lydia Octifani; Jarwadi Budi Hernowo

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    Plants produce primary and secondary metabolite compounds depending on their growth conditions. The tea plant (Camellia sinensis (L.) Kuntze that hosts Loranthus produces different metabolites compared to those not hosting. This study aims to determine the change in the thin layer chromatography…

  20. Journal Article

    Antituberculosis Activity Test of N-p-Methylbenzyl-p-coumaramide (MBC) Against M. tuberculosis H37Rv

    Nasriadi Dali Wela; Arniah Dali Wela; Seniwati Dali et al.

    Al-Kimia, Vol. 8 No. 2 · 2020 · Indonesian · DOAJ

    An antituberculosis activity test of N-p-Methylbenzyl-p-coumaramide (MBC) against M. tuberculosis H37Rv has been carried out. The purpose of this study was to determine the antituberculosis activity of MBC against M. tuberculosis H37Rv. The study was conducted using agar diffusion method. The test…