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413  Articles
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This study aims to determine the effect of calcination temperature and steaming time on the activation of freundlich isotherm practicum waste (LPIF) in the Analytical Chemistry Laboratory. The LPIF was taken from the waste of the Physical Chemistry Practi... see more

Telah dilakukan studi komparasi untuk menguji keandalan model EMZHA dibandingkan model Langmuir dan Freunlich dalam penyerapan ion logam Cu(II), Cd(II) dan Pb(II) oleh beberapa biosorben. Model EMZHA adalah model adsorbsi baru yang diusulkan oleh peneliti... see more

Penelitian tentang penggunaan karbon aktif dari ampas teh sebagai adsorben telah dilakukan untuk mengadsorpsi ß-karoten yang terkandung dalam minyak kelapa sawit mentah. Penelitian ini bertujuan untuk mendapatkan model isoterm dan kinetika yang sesuai unt... see more

Penelitian tentang penggunaan karbon aktif dari ampas teh sebagai adsorben telah dilakukan untuk mengadsorpsi ß-karoten yang terkandung dalam minyak kelapa sawit mentah. Penelitian ini bertujuan untuk mendapatkan model isoterm dan kinetika yang sesuai unt... see more

Corn stalks are an agricultural waste that is commonly found in Indonesia. Corn stalks have a high enough cellulose content which has functional groups that can be used as biosorbents. This study aims to optimize the adsorption of corn stalk waste to merc... see more

Astaxanthin is a natural antioxidant, and the highest content of this compound is found in Haematococcus pluvialis microalgae. Microwave-assisted extraction (MAE) is one of the environmentally friendly extraction methods and has many advantages. This stud... see more

Nghiên c?u kh? nang h?p ph? ion nitrát trong dung d?ch b?ng than sinh h?c du?c ch? t?o t? l?c bình theo các di?u ki?n bao g?m: pH, kh?i lu?ng than sinh h?c, th?i gian ti?p xúc, n?ng d? ion NO3- ban d?u. D? li?u th?c nghi?m du?c áp d?ng cho các mô hình d?n... see more

The effect of temperature and pH on adsorption-desorption of fungicide hexaconazole was studied in two Malaysian soil types; namely clay loam and sandy loam. The adsorption-desorption experiment was conducted using the batch equilibration technique and th... see more

Various technologies have been developed to reduce heavy metal content in the wastewater. The biosorption method is a technique that is widely applied because it is cheap, environmentally friendly, and has high efficiency. This study aims to ascertain the... see more

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