Novellia Ardiansyah, Anggia Afza Utami, Amelia Amir, Maria Ulfah

Performance Evaluation and Adsorption Isotherm of Activated Bottom Ash for Free Fatty Acid Removal

Chemistry

Boiler bottom ash is one of the by-products produced from the combustion of palm shells and fiber in the boiler furnace at high temperature. These wer...

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This manuscript presents a valuable investigation into the utilization of activated boiler bottom ash, a waste product from palm oil production, for t...

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Ni Luh Rustini

Identification of Active Antioxidant Compounds from Ungu Leaf Ethanol Extract (Graptophyllum pictum L. Griff)

Chemistry

This study was conducted to determine the chemical compounds contained in ungu leaf ethanol extract that has antioxidant properties. Ungu leaf powder...

Review:

This study presents an investigation into the chemical constituents responsible for the purported antioxidant activity of *Graptophyllum pictum* L. Gr...

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Aman Sentosa Panggabean

Prosiding Seminar Nasional Kimia 2015

Chemistry

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Review:

The provided title, "Prosiding Seminar Nasional Kimia 2015" (Proceedings of the National Chemistry Seminar 2015), clearly indicates this publication i...

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M. Zikrillah, Maktum Muharja, Rizki Fitria Darmayanti, M. Wildan Ibnu Batuthoh, Achri Isnan Khamil

Metode Baru Perhitungan Viskositas Intrinsik Dan Berat Molekul Polihidroksialkanoat Untuk Produksi Plastik Biodegradable

Chemistry

Polyhydroxyalkanoates (PHA) merupakan jenis polimer yang termasuk dalam plastik biodegradable. Penelitian ini bertujuan untuk melakukan perhitungan vi...

Review:

This paper addresses the important topic of Polyhydroxyalkanoates (PHA), a class of biodegradable plastics, and their characterization. The stated aim...

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Lyle Walld

Structural Insights into Metal-Organic Connectivity by Paramagnetic NMR

Chemistry

Metal-Organic Frameworks (MOFs) are an emerging class of materials with numerous applications in domains such asgas storage and separation, catalysis...

Review:

This work addresses a critically important area concerning the structural characterization of Metal-Organic Frameworks (MOFs), a class of materials wi...

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Mhd. Shaumi Al Anshar, Luqman Buchori, Didi Dwi Anggoro, Setia Budi Sasongko, Istadi

Recent Advances in Catalytic Systems for the Sustainable Synthesis of Ethyl Levulinate from Biomass

Chemistry

The esterification of levulinic acid to ethyl levulinate presents challenges in catalyst efficiency, reusability, and environmentally frien...

Review:

This review article, "Recent Advances in Catalytic Systems for the Sustainable Synthesis of Ethyl Levulinate from Biomass," addresses a critical area...

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Shofi Fahia Anbarwati, Adhi Kusumastuti, Retno Marlangen

The Effect of Fixator Type on the Color Fastness of Cotton Fabric Dyeing with Mango Leaves Extract (Mangifera indica L.)

Chemistry

The effect of different fixatives—alum (Al₂(SO₄)₃·18H₂O), ferrous sulfate (FeSO₄·7H₂O), and lime (Ca(OH)₂)—on the color fastness of cotton...

Review:

This study presents a focused investigation into the impact of various fixatives—alum, ferrous sulfate, and lime—on the color fastness properties of c...

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Aleksandr Nikolski

Sulamispiste

Chemistry

Review:

The submission, titled "Sulamispiste" (Melting Point), indicates a topic of fundamental importance in various scientific disciplines, including chemis...

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G. Fawkes

Some Chemistry and Physics of Explosives and Fireworks

Chemistry

There is a certain fearful thrilling satisfaction in loud bangs. I know many otherwise apparently quite respectable people who are members...

Review:

The article, titled "Some Chemistry and Physics of Explosives and Fireworks," initially suggests a technical and scientific exploration of the underly...

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D. P. Mellor

Analysing the Stars

Chemistry

It was possibly in a rash moment that the French philosopher Comte once remarked: "There are some things of which the human race must remai...

Review:

The title, "Analysing the Stars," immediately sets a high expectation, promising an exploration into advanced astrophysical or spectroscopic technique...

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