Vol. 10 No. 2 (2021)

Articles

• The Utilization of Aleorites Moluccana Active Charcoal as Absorbent of Lead Metal in Used Oil

  Wayan N. Sugiani, Vanny M. A. Tiwow , Minarni R. Jura

  59-63

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• The Ability of Chemistry Problem Solving of Senior High School Students in Palu Sulawesi Tengah

  Ijirana Ijirana, Sitti Aminah , Supriadi Supriadi, Detris Poba

  64-71

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• Application of Inquiry Learning Model with Lesson Study (LS) Pattern on Student Learning Outcomes in Colloid System Material

  Nur H. Wahyuni, Suherman Suherman , Tahril Tahril

  72-77

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• Applying Science Process Skills in Understanding Chemical Equilibrium Through Experiment

  Friska Purba, Debora Suryani Sitinjak, Kelly Sinaga

  78-86

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• Implementation of Guided Inquiry Learning Model on Colloid Systems to Improve Critical Thinking Ability of Students

  Nurul R. Arini, Sri M. Sabang, Anang W. M. Diah

  87-92

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• Identification Chemical Compositions of Lemongrass Plant (Cymbopogon nardus L.) Dawan Tribe, Oenenu Village, North Central Timor Regency

  Noviana Obenu, Eduardus Edi, Risna E. Adu

  93-97

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• A Simple Analyte Volatilization in Polytetrafluoroethylene (PTFE) Vessel for Spectrophotometric Determination of Boron

  Risna E. Y. Adu, Roto Roto , Agus Kuncaka

  98-104

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• Effect of Different Types of Extractants in the Separation of Rare Earth Metals using Emulsion Liquid Membrane Method: A Review

  Ninda Anisyabana, Anni Anggraeni, Uji Pratomo, Riska Anbar Fadiyah

  105-118

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• Softening Hard Water using Cocoa Shell Activated Charcoal

  Nurhayati Nurhayati, Ahmil Ahmil, Khairuddin Khairuddin, Tri Handayani, Ahmad Fauzan Tambuak

  119-125

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• Developing Senior High School Student’s Chemical Literacy Skills Through Inquiry-Based Online Chemistry Learning

  Elly Albert Zebua, Kelly Sinaga

  126-132

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