Published: 2023-12-31

Articles

Validasi Metode Analisis Iodin Secara Spektrofotometri UV-Vis pada Dua Variasi Pelarut

Validation of The Method of Iodin Analysis by Uv-Vis Spectrofotometry with Two Variations of Solution

Fauzi Abdilah, Karina Aulia Rahmawati, Widya Tresna Dewi, Keryanti, Mentik Hulupi

204-211

Ekstraksi Komponen Lipid dari Mikroalga Nannochloropsis oculata dan Nitzschia sp. dengan Metode Sokletasi dan Bligh Dyer

Extraction of Lipid Components from Nannochloropsis oculata and Nitzschia sp. Microalgae with Soxhletation and Bligh Dyer Methods

Jamius Bin Stepanus

212-223

The Effect of Solvent-to-Coffee Ratio on Caffeine Content in Ethyl Acetate Extracts of Arabica Gayo Coffee Beans

Bambang Soeswanto, Rony Pasonang Sihombing, Joko Suryadi, Tri Hariyadi, Tifa Paramitha, Yusmardhany Yusuf, Alfiana Adhitasari -

224-231

Penurunan Logam Fe dan Co Pada Kerang Hijau (Perna viridis) dengan Metode Perendaman Larutan Belimbing Wuluh

Reduction Fe and Co Metals in Green Mussels (Perna viridis) by Soaking in Starfruit Solution

Holisha Widiyanto, Hafidz Al Asad, Sriwijayanti, Dian Susvira, Boima Situmeang

232-240

Comparison of Total Flavonoid, Phenolic Levels, and Antioxidant Activity between Robusta and Arabica Coffee

Khoirul Ngibad, Siti Nur Husnul Yusmiati, Diana Mey Merlina, Yenny Puspa Rini, Valenata Valenata, Elok Faiqotul Jannah

241-249

Penggunaan Arang Aktif Ampas Kopi untuk Menurunkan Bilangan Peroksida dan Asam Lemak Bebas (ALB) pada Minyak Goreng Bekas

Utilization of Activated Charcoal from Coffee Grounds to Reduce Peroxide Number and Free Fatty Acid (FFA) in Used Cooking Oil

Prismawiryanti, Sophia Andarwati, Syamsuddin

250-257

Karakterisasi Pelet Pupuk Organik Berbahan Eco Enzyme

Characterization Of Organic Fertilizer Pellets Eco enzyme

Ima Winaningsih, Suramta Suramta, Yanti Mala

258-265

Studi Awal Sintesis ZnO/SiO2 dengan Silika dari Limbah Padat Geothermal dan Uji Performansinya dalam Penghilangan Metilen Biru

Preliminary Study of ZnO/SiO2 Synthesis with Silica from Geothermal Solid Waste and Its Performance Test in Methylene Blue Removal

Tifa Paramitha, Joko Suryadi, Rahma Ardelia Raissa, Teguh Aditya Nugraha, Nirmala Utami

266-277

Determination of Boron Concentration at Sausage Samples with Distillation of Ester Borane Method using Fluorescence Spectrophotometry

Isna Lailatusholihah, Aisyiah Restutiningsih Putri Utami, Micha Mahardika

278-284

Pembuatan dan Karakterisasi Kertas Kemasan Berbasis Ampas Kunyit dan Jahe Merah dengan Variasi Konsentrasi Natrium Hidroksida

Preparation and Characterization of Packaging Paper Based on Turmeric and Red Ginger Pulp with Varying Concentrations of Sodium Hydroxide

Devia Fataya Miftahul Jannah, Chyntia Wahyuni Febryanti, Diana Alfiah, Melina Rahma Huwaida, Della Agustia Marhani, Riniati Riniati

285-294

Total Metabolit Sekunder dan Uji Aktivitas Antioksidan Daun Juwet (Syzygium cumini L.) dengan Spektrofotometer Uv-Vis

Total Secondary Metabolites and Test of Antioxidant Activity of Juwet Leaves (Syzygium cumini L.) with Uv-Vis Spectrophotometer

Tien Wahyu Handayani Tien, Ni Kadek Evy Rasmiyanti, Joni Tandi, Magfirah

295-304