Vol. 4 No. 2 (2021)

Articles

• SENYAWA GOLONGAN STEROID DARI DAUN ADAM HAWA (Rhoeo discolor (L,Her.) Hance) DAN UJI SUN PROTECTING FACTOR STEROID COMPOUND FROM ADAM HAWA (Rhoeo discolor (L,Her.) Hance) LEAVES AND SUN PROTECTING FACTOR TEST

  Anggelita Anggelita, Endah Sayekti, Lia Destiarti

  61-68

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• SINTESIS TiO2 TERDOPING Bi3+ DAN UJI AKTIVITAS FOTOKATALISIS ANTIBAKTERI E.coli DENGAN BANTUAN SINAR TAMPAK (SYNTHESIS OF Bi3+ DOPED TiO2 AND PHOTOCATALYSIS ACTIVITY TEST OF E.coli ANTIBACTERIA UNDER VISIBLE IRRADIATION)

  Annisa Furqonita, Anthoni B. Aritonang, M. Agus Wibowo

  69-80

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• TOWARD QUALITY CONTROL OF BIOGAS PRODUCT IN INDONESIA: AN OVERVIEW

  Oman Zuas, Eka Mardika Handayani, Muhammad Rizky Mulyana, Melati Azizka Fajria, Harry Budiman, Ayu Hindayani, Arfan Sindhu Tistomo, Anthoni Batahan Aritonang, Nazarudin Nazarudin

  81-90

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• RETRACTED: PRODUKSI DAN KARAKTERISASI BIOCHAR AMPAS TEBU(Saccharum officinarum Linn) PRODUCTION AND CHARATERIZATION OF BAGASSE BIOCHAR (Saccharum officinarum Linn)

  Suparnawati Suparnawati, Harlia Harlia, Warsidah Warsidah, Anthoni Batahan Aritonang

  91-101

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• PRESISI DAN AKURASI KROMATOGRAFI GAS DALAM PENETAPAN KADAR ASAM PROPIONAT DALAM PRODUKSI BAKERI (PRECISION AND ACCURACY OF GAS CHROMATOGRAPHY FOR DETERMINATION OF PROPIONIC ACID LEVELS IN BAKERY PRODUCT)

  Nasril Fuad Hasan, Warsidah Warsidah, Gusrizal Gusrizal

  102-108

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