Vol. 13 No. 4 (2025): August 2025

Articles

• Effect of Drying Temperature Variation on the Antioxidant Activity Ethanol Extract of Cocoa Bean (Theobroma cacao L.) with ABTS [2,2-azino-bis(3-ethylbenzotiazolin-6-sulphonic acid)] Method

  Agung Ari Chandra Wibawa, Dewa Ayu Ika Pramitha, Ni Made Sukma Sanjiwani, I Wayan Surya Rahadi, I Wayan Wisma Arandika

  724-731

  • PDF

  DOI : 10.33394/hjkk.v13i4.17409 Abstract View : 0 PDF downloads: 35

• Design and In silico Study of Amides Containing Heterocyclic Nitrogen as Potent Antituberculosis Agent

  First Ambar Wati, Rizqi Nur Afifah, Mohammad Wisnu Wardana

  DOI : 10.33394/hjkk.v13i4.16895 Abstract View : 0

• Synthesis and Characterization of Porous Poly(GM-co-EGD) as a Support Matrix for Lipase Immobilization

  Erwanto Erwanto

  Abstract View : 0

• Bioactivity of Alkaloids from Various Plants that Have Potential as Antibacterials

  kevin jeremia hutauruk

  Abstract View : 0

• Development of a Coconut Shell Briquette E-Supplement Based on Local Issues in the Environmental Chemistry Course

  NUR ANJAR ASTUTI, NUR ANJAR ASTUTI, NUR ANJAR ASTUTI

  Abstract View : 0

• Validity of the Corporate Edition Flip PDF Assisted Learning E-Module for Improving Students' Critical Thinking Skills

  salsabila yulia imara

  DOI : 10.33394/hjkk.v13i4.16830 Abstract View : 0

• Analysis of Multiple Representation Ability of Chemistry Education Students on Hydrocarbon

  Rizki Furqanul Ichsan, eny enawaty

  Abstract View : 0

• Investigation Science Process Skills Among Chemistry Education Students Through the Law of Mass Conservation Experiment

  Nur Aini

  Abstract View : 0

• Development of a Tutorial Video for Creating Digital Based Card Game Media

  Fadhil Alwa Faridy

  Abstract View : 0

• The Impact of Metacognitive Awareness on Retention of Solubility and Ksp Concepts

  Marisa Marisa, Erlina Erlina, Maria Ulfah

  Abstract View : 0