Vol. 5 No. 1 (2022): JANUARI 2022

Articles

• Preparation of Cryogenik Alcohol

  Erika Yusnidar Samosir

  01-03

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• Analysis of Separation of Hydrogen and Oxygen Gases from Water through Water Electrolysis Experiments

  Reinhard P Sihotang, Elsama Christina Manalu, Ryandi Simbolon

  04-06

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• Making Nitrogen Fertilizer using Cassava Leaves and Papaya Leaves on Chili Plants

  Ella Oktaviana Siahaan, Kristin Wulan Liberti Vivanis Gulo, Ribka Darningsih, Sarah Sihotang

  07-09

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• Study of Energy and Structure on Interactions Between Molecules In Solvents - Organic Solves Using Computational Chemical Methods

  Nur Aisah Malau, Asep Wahyu Nugraha

  10-15

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• Secondary Metabolite Phytochemical Screening Of Toba Frankincense Leaves (Styrax Paranelonerum Perk)

  Ruth Natalia Manurung, Marham Sitorus

  16-17

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• Process and Characterization of Natural Rubber Modification (Sir-20) With Grafting Maleat Anhydride

  Murdoni Sipayung, Eddyanto Eddyanto

  18-24

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• Effect of Addition of Ethanol Extract from Sijukkot Leaves (Lactuca Indica L.) on Cholesterol Reduction in Male Strain Rats (Rattus Norvegicus)

  Felivia Angelina Munte, Albinus Silalahi

  25-27

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• Synthesis and Characterization of α-Cellulose from Young Coconut Coir (Cocos nucifera L.)

  Gracella Evangeline Sarumaha, Zainuddin Muchtar

  28-30

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• The Study of pH and Ionic Strength on Ni(II) and Pb(II) sorption using Humic Acid-Urea Formaldehyde (AHUF)

  Meidita Kemala Sari, Bambang Rusdiarso

  31-41

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• Kinetics Study of Gold (III) on Chitosan-Silica Coated Magnetic Material

  Dikki Miswanda, Moondra Zubir, Rini Selly, Siti Rahmah, Nuryono Nuryono

  42-46

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• Corrosion Factors on Nail

  Titania Natasya, Muthia Embun Khairafah, Murna Sari Br Sembiring, Laura Nazrifah Hutabarat

  47-50

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• Understanding the Difference Between Chemical Changes and Physical Changes

  Yoahana Elisabet, Catur Kurniawan

  51-57

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