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JSTK Articles
CHARACTERIZATION OF NON-POLAR ORGANIC COMPOUNDS FROM Padina minor MACROALGAE FROM SINGKAWANG WATERS AND ANTIBACTERIAL ACTIVITY AGAINST Staphylococcus aureus AND Escherichia coli
Abstract view : 107 times
DOI: 10.20527/jstk.v18i1.15618
Fina Rika Wardani, Ajuk Sapar, Andi Hairil Alimuddin
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1-18
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Comparative Analysis of Maceration and Soxhlation Extraction for The Total Flavonoid Content of Sungkai Leaves (Peronema canescens Jack.)
Abstract view : 126 times
DOI: 10.20527/jstk.v18i1.17638
Fahriza Kusuma Jaya
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19-30
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The Effect Of ZnO Mass Variation On Chitosan/ZnO/Cellulose Acetate Composites From Citronella Waste As A Mask Filter Material
Abstract view : 92 times
DOI: 10.20527/jstk.v18i1.17305
Nadia Nadia, Ristika Oktavia Asriza, Adisyahputra Adisyahputra
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31-38
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Phytochemical Screening and Cytotoxicity Test of Sidaguri Leaf (Sida rhombifolia Linn.) Fractionated Extract with Brine Shrimp Lethality Test (BSLT) Method
Abstract view : 61 times
DOI: 10.20527/jstk.v18i1.17411
Lisnawati Tumanggor
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39-49
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Superhydrophobic Silica Ultrasonic Coating Based on Sinabung Volcanic Ash as Anti-Corrosion of Ferrous Metal Materials
Abstract view : 71 times
DOI: 10.20527/jstk.v18i1.17719
Christin T. N. Simanjuntak, Dea Gracella Siagian, Kristian Adinata Pratama Simatupang, Dafit Ericson Sihotang, Lisnawaty Simatupang
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50-65
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Comparing the Effectiveness of Methods and Solvents on the Yield and Phytochemicals of Gerga Citrus Peel Essential Oil (Citrus nobilis L. Var RGL) from Kerinci Regency
Abstract view : 99 times
DOI: 10.20527/jstk.v18i1.16643
Intan Noviarni, Nina Hartati
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66-73
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