Vol. 3 No. 1 (2020): JUNE 2020

Articles

• The Effect of Co2+ in the Form of CoCl2 Compounds on α-Amylase Activity

  Perwita Riski Kusumawati, Das Salirawati

  1-6

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• Separation of Manganese Metal Ions with Natural Zeolite Adsorbents and Activated Charcoal of Shall Water use Column Adsorption Method

  Batrisya Batrisya, Suyanta Suyanta

  7-12

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• Investigation of Structure and Magnetic Properties of Polycrystalline La0.7Ba0.21Ca0.09Mn1-xNixO3 (x=0.1, 0.2, 0.3) by Sol Gel Method

  P. Prasetyo

  13-18

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• Synthesis and Characterization of Montmorillonite Membrane for Nickel and Zink Metals Filtration in Electroplating Liquid Waste

  I. Hidayah

  19-26

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• Synthesis of Chitosan Sulfate From Crab (Scylla serrata) and its application as adsorbent

  Salmahaminati Salmahaminati

  27-32

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