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  • Biosorption of Methylene Orange Dye using Langsat Shell by Batch Method

    Liquid waste is a major problem in the textile industry environment that has the most widespread influence because physical and aquatic characteristics can have a negative impact on waters. Most of the liquid waste...
    Desy Kurniawati Indonesia , Intan Lestari Indonesia , Fadhilah Tarmizi Indonesia , Niza Lian Pernadi Indonesia , Anwar Iqbal Malaysia
    Pages: 305-314 2023-09-30
    10.24036/eksakta/vol23-iss03/419
    253 272
  • Comparison of Corrosion Rate in the Environment of 10% Acetic Acid solution with different Deflection.

    The oil and gas industry exploration that will generally be followed by corrosive substances including sweet gas (eg H2S and CO2), it will result in corrosion event. The corrosion stress cracking will cause the...
    Nendi Suhendi Syafei Indonesia , S S Rizki Indonesia , Suryaningsih Suryaningsih Indonesia , Darmawan Hidayat Indonesia
    Pages: 84-93 2019-08-31
    10.24036/eksakta/vol20-iss2/190
    583 427
  • Histopathology of Gills Fish in Rivers Contaminated by Heavy Metals from Artisanal Gold Mining Waste in Lebong Regency, Bengkulu Province

    The aquatic environment is crucial for fish survival because fish require appropriate aquatic environment. Artisanal gold mining generates heavy metal waste in Lebong Regency, polluting the river flows. Heavy metals...
    Dian Fita Lestari Indonesia , Vestidhia Yunisya Atmaja Indonesia , Santi Nurul Kamilah Indonesia , Eliza Febrianti Indonesia , Farisa Retno Indonesia , Hengki Turnando Indonesia , Ibranio Risditama Indonesia
    Pages: 186-200 2025-06-30
    10.24036/eksakta/vol26-iss02/588
    149 194
  • Events of corrosion phenomena on carbon steel pipes in environment of sea water and ammonia solutions due to the presence of sweet gas

    Based on the results of the study that the test sample material using carbon steel pipe plate API 5L-X65 is in chamber. With the research using the three point loading method is the environment of CO 2 gas and...
    Nendi Suhendi Syafei Indonesia
    Pages: 86-99 2019-04-30
    10.24036/eksakta/vol20-iss1/178
    1229 668
  • Analysis Cracking Corrosion on Carbon Steel Pipes API 5L-X65 In Solution 7700 ml Aquades, 250 ml Acetic Acid and 50 ml Ammonia with Gas CO2 and H2S in Saturation Condition

    The oil and gas industry exploration that will generally be followed by corrosive substances including sweet gas (eg H 2 S and CO 2 ), it will result in corrosion event. The corrosion stress cracking will cause the...
    Nendi Suhendi Syafei Indonesia , Darmawan Hidayat Indonesia , Emilliano Emilliano Indonesia , Liu Kin Men Indonesia
    Pages: 21-31 2018-10-30
    10.24036/eksakta/vol19-iss2/138
    1806 1294
  • The Adsorption of Mercury from Aqueous Solution on Durian (Durio zibethinus) Seed Immobilized Alginate

    The increasing pollution of toxic heavy metals in the environment is an important issue worldwide. Heavy metal ions such as mercury have attracted special attention because of their high toxicity and long half-life...
    Intan Lestari Indonesia , Silfia Devi Eka Putri Putri Indonesia , Martina Asti Rahayu Indonesia , Diah Riski Gusti Indonesia
    Pages: 30-41 2022-03-30
    10.24036/eksakta/vol23-iss01/305
    521 457
  • Utilization of Dry Cocoa Pod Husks as an Antioxidant-Rich Herbal Drink

    Cocoa ( Theobroma cacao L) production in Indonesian has increased every year, therefore more cocoa pod husks are produced. Currently, the use of cocoa pod husks is still very limited, even most farmers only dump the...
    Ernarisa Fitri Indonesia , Effendi Effendi Indonesia , Azmi Azra Indonesia
    Pages: 102-109 2021-06-27
    10.24036/eksakta/vol22-iss2/262
    779 466
  • Biosorption of Indigo Carmine onto Duck Egg White-Modified Longan Peel Biosorbent: Effect of Particle Size and Contact Time

    The increasing demand in the textile industry ideally requires effective wastewater treatment systems to prevent environmental pollution. These pollutants are resistant to degradation and pose serious risks to...
    Fadli Waarsyat Indonesia , Desy Kurniawati Indonesia , Sri Benti Etika Indonesia , Trisna Kumala Sari Indonesia , Saddam Husein Japan , Jeningsih Indonesia , Septian Budiman Thailand
    Pages: 155-166 2026-04-30
    10.24036/eksakta/vol27-iss02/665
    75 62
  • Pencil Lead Electrode Modified with Gold Thin Layer for Voltammetric Detection of Chromium (VI)

    Cr(VI) is a toxic, mutagenic, and carcinogenic metal. This heavy metal have effect harmful on organism and the environment. In this study, an electroanalytic approach was improved for detection of the Cr(VI) using a...
    Trisna Kumala Sari Indonesia , Riga Riga Indonesia , Moondra Zubir Indonesia
    Pages: 145-153 2021-06-27
    10.24036/eksakta/vol22-iss2/265
    540 477
  • Ligand Based Pharmacophore Modelling, Virtual Screening, Molecular Docking, and ADMETOX of Natural Compounds as Antibiotic Candidates against Urinary Tract Infections (UTI)

    The use of antibiotic drugs requires close supervision that patients take antibiotics according to the rules. Irregular antibiotic use led to increased ADR cases (Antibiotic Drug-resistant). ADR is when an individual...
    Windy Dwininda Indonesia , Linda Erlina Indonesia , Rafika Indah Paramita Indonesia , Fadillah Fadillah Indonesia , Surya Dwira Indonesia , Jaka Fajar Fatriansyah Indonesia
    Pages: 193-206 2023-06-30
    10.24036/eksakta/vol24-iss02/404
    1198 329
  • Identification of Aquifer Potential Using Electrical Resistivity Tomography (ERT) Method in the Karst Area of Giritontro, Wonogiri, Central Java

    Karst regions exhibit unique geological characteristics due to the dissolution of carbonate rocks, lending to the formation of complex underground aquifer systems. This study was conducted in BayemharjoVillage,...
    Nadia Putri Nur Asri Indonesia , Rahma Puspa Indonesia , Anggara Putra Prasetya Indonesia , Budy Santoso Indonesia
    Pages: 77-92 2026-02-28
    10.24036/eksakta/vol27-iss01/605
    94 89
  • Analysis of Heavy Metal Distribution in Regional Sediments Batang Ayumi River Flow

    The presence of heavy metals in waters can be sourced from mining, household, agricultural waste and industrial wastes. Some heavy metals are toxic such as Cu, Hg, and Pb can accumulate in aquatic sediments....
    Fatma Suryani Harahap Indonesia , Adi Syaputra Indonesia
    Pages: 131-138 2020-09-30
    10.24036/eksakta/vol21-iss2/225
    602 539
  • Concentration Test of Binahong (Anredera cordifolia) Leaf Extracts on Growth, Years and Severity Leaf Blight Disease of Red Onion(Allium ascalonicum L.) Plant

    This study presents an investigation into the optimal concentration of binahong (Anredera cordifolia) extract for enhancing the growth, yield, and mitigating leaf blight in shallots. Conducted within a controlled...
    Zahanis Zahanis Indonesia , Milda Ernita Indonesia , Rahmat Hidayat Indonesia , Devi Purnamasari Indonesia , Salsabila Tri Rahmi Indonesia
    Pages: 165-178 2023-06-30
    10.24036/eksakta/vol24-iss02/424
    442 257
  • A Smart Web Application for Real-Time Indoor Temperature and Humidity Monitoring

    Learning comfort is influenced by the environment, including temperature and humidity. This study validates the temperature and humidity monitoring device (DHT 22) in the dashboard system of the Department of...
    M. Hasbi Sidqi Alajuri Hasbi Indonesia , Hollanda Arief Kusuma Indonesia , Marisha Pertiwi Indonesia , Tonny Suhendra Indonesia , Gilang Satria Wahyu Dewantara Indonesia
    Pages: 288-301 2025-09-30
    10.24036/eksakta/vol26-iss03/606
    94 116
  • Diversity of the Starch Granule Morphology of Several Types Cassava (Minihot esculenta Crantz)

    Cassava ( Manihot esculenta Crantz), which is commonly called singkong is multipurpose crop that can be processed as food, feed and other cassava-based bioproduct. Potential application of cassava starch is...
    Via Susana Gusni Indonesia , Moralita Chatri Indonesia , Des M Indonesia , Afifa Akhyar Indonesia , N.Sri Hartati Indonesia , Hani Fitriani Indonesia , Nanang Taryana Indonesia
    Pages: 167-174 2022-09-30
    10.24036/eksakta/vol23-iss03/324
    694 632
  • The Influence of NaOH Activator Concentration on the Synthesis of Activated Carbon from Banana Peel for Pb(II) Adsorption

    Lead has been known as one of the heavy metals with a high adverse effect to the environment and human health. This study reports the activity of activated carbon from biomass of banana peel as an adsorbent to...
    Abdul Hamid Indonesia , Zeni Rahmawati Indonesia , Mohammad Abdullah Indonesia , Tri Esti Purbaningtyas Indonesia , Faizatur Rohmah Indonesia , Ike Dayi Febriana Indonesia
    Pages: 158-166 2022-09-30
    10.24036/eksakta/vol23-iss03/323
    1106 667
  • Analysis of The Effect of Soundproofing on Ship Engines Based on Composite Materials Made from Tofu Dregs (Glycine Max L Merill)

    Minimizing ship noise and vibrations is crucial due to  potentially severe consequences, such as communication problems, sleep disturbances, stress, and structural damage. To address this, effective dampers are...
    Aurista Miftahatul Ilmah Indonesia , Anauta Lungiding Angga Risdianto Indonesia , Belgis Risky Wijaya Indonesia , Arief Syarifuddin Indonesia , Triyanti Irmiyana Indonesia , Taufan Prasetyo Indonesia , Muhammad Arus Samudera Indonesia , Mohammad Hamid Indonesia
    Pages: 302-310 2024-09-30
    10.24036/eksakta/vol25-iss03/436
    181 165
  • A Decision-Making Framework for Supplier Selection in High Tech Industry Based on Analytical Hierarchy Process

    In the high-tech industry, effective supply chain management is essential to ensure product quality, innovation, competitiveness, and sustainability. Ideally, supplier selection should be conducted using...
    Vera Methalina Afma Indonesia , Rika Ampuh Hadiguna Indonesia , Alexie Herryandie Bronto Adi Indonesia , Tzong-Ru (Jiun-Shen) Lee Taiwan, Province of China , Nikorn Sirivongpaisal Thailand
    Pages: 743-758 2026-08-30
    10.24036/eksakta/vol27-iss04/718
    7 4
  • Mobile Genetic Elements Associated with Third-Generation Cephalosporin Resistance in Klebsiella pneumoniae

    Klebsiella  pneumoniae is the Enterobacteriaceae family can be found in the environment, humans and animals. These bacteria are common causes of hospital, community and healthcare associated infections. Third...
    Yulia Enggel Indonesia , Connny Riana Tjampakasari Indonesia , Ariyani Kiranasari Indonesia
    Pages: 177-187 2024-06-30
    10.24036/eksakta/vol25-iss02/502
    302 275
  • PENYELIDIKAN KELAYAKAN KIMIA DAN PENYEBARAN CADANGAN PASIR BESI DAERAH TIKU KABUPATEN AGAM UNTUK BAHAN BAKU SEMEN PADA PT. SEMEN PADANG

    The purpose of this research is to know the mineral content of iron sand and its spreading both vertically and horizontally with the purpose of providing information and data for local government of Agam district for...
    Heri Prabowo Indonesia
    Pages: 39-42 2018-04-21
    10.24036/eksakta/vol19-iss1/121
    2142 1941
  • Effectiveness Of The Emo Demo Module On Malaria Prevention Behavior In The Working Area Of The Sioban Community Health Center, Mentawai Islands Regency

    Malaria remains a serious disease with high morbidity and mortality rates, particularly among vulnerable groups. Ideally, the community should possess the knowledge, attitudes, and behaviors necessary for effective...
    Erick Zicof Indonesia , Widdefrita Indonesia , Darwel Indonesia , Rahmad Sudiyat Indonesia , Dinda Wahyuni Indonesia
    Pages: 287-297 2026-06-30
    10.24036/eksakta/vol27-iss03/675
    23 14
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