Karakterisasi Dan Kapasitas Biosorpsi Buah Jabon Putih (Anthocephalus Cadamba…

White jabon fruit (Anthocephalus cadamba Miq.) soaked in peat water which is rich in humic acid has the potential to be used as a biosorbent to adsorb lead(II) metal based on the cellulose content of jabon fruit and the active compounds contained in both. This research aims to determine the adsorption capacity and efficiency of white jabon fruit biosorbent in a batch system against lead(II) ion…

Biosorben Arang Aktif Kulit Kayu Jabon Putih (Anthocephalus Cadamba Miq.) Unt…

White jabon bark (Anthocephalus cadamba Miq.) has a high chemical content of cellulose and lignin that has the potential to be used as an adsorbent to adsorb lead(II) metal ions. This study aims to determine the efficiency and adsorption capacity of white jabon bark-activated charcoal in adsorbing lead(II) metal ions, determine the kinetics model and adsorption isotherm. The preparation of whit…

Aplikasi Serbuk Daun Nanas (Ananas Comosus Morris) Teraktivasi Naoh Sebagai B…

Pineapple leaves are waste from plantations that cannot yet be utilized optimally. Pineapple leaves contain chemicals such as cellulose which are quite large (69.5-71.5%) so it can be used as a carbon source for adsorbents such as active powder. The aims of this research were to determine the characteristic of activated pineapple leaf powder and its capability to reduce the physical parameter…

Potensi Biosorben Kulit Singkong (Manihot Esculenta Crantz) Teraktivasi Naoh …

Cassava peel is an industrial waste that has not been utilized optimally. Cassava peel has a cellulose content of 43.6%, so it has the potential to be used as a powder as a biosorbent to absorb organic compounds in peat water. This research aims to analyze the effect of the activation process of cassava peel biosorbent powder with NaOH on its character and determine the optimum contact time and…

Serbuk Kulit Kayu Jabon Putih (Anthocephalus Cadamba Miq.) Didoping Asam Huma…

White jabon bark (Anthocephalus cadamba Miq.) has the potential to be developed as an adsorbent for adsorbing lead(II) metal ions because it has a fairly high cellulose content. This research aims to determine the efficiency and optimum adsorption capacity for variations in pH, contact time and adsorbate concentration of white Jabon bark powder doped with humic acid from peat water on the adsor…

Sintesis Arang Aktif Dari Limbah Daun Nenas (Ananas Commosus Morris) Sebagai …

Pineapple leaf waste has a high cellulose content of around 69.5-71.5%; this shows that pineapple leaves have potential as an adsorbent in the form of activated charcoal, which functions to adsorb lead(II) metal ions. This research aims to analyze the effect of activation on the characterization results of pineapple leaf charcoal and determine the optimum adsorbent dose and optimum contact time…

Sintesis Dan Uji In Silico Senyawa Pirazolin Turunan 2-Klorobenzaldehid Dan 1…

Pyrazoline is a dihydropyrazole derivative which is an azol group compounds with a heterocyclic-5 structure containing 2 nitrogen atoms. Pyrazoline compounds are known have toxic properties and various bioactivities, one of which was as an anticancer agent. 2-(5-(2-chlorophenyl)-1-phenyl-4,5dihydro-1H-pyrazol-3-yl)naphthalen-1-ol (PRZ-NFT-2Cl) has successfully synthesized with two step reaction…

Optimasi Parameter Adsorpsi Rhodamine B Menggunakan Lempung Alam Maredan

Natural Maredan clay is an environmentally friendly and cost-effective adsorbent with significant adsorption efficiency. It is used as an adsorbent to remove Rhodamine B dye. This research aims to determine the optimal contact time, stirring speed, adsorbate concentration, and adsorbent dosage for Rhodamine B adsorption. The research method employed batch adsorption of Rhodamine B with optimize…

Isolasi Dan Uji Toksisitas Ekstrak N-Heksana Daun Benalu Karet (Helixanthera Sp)

Helixanthera sp is a species of parasite from the Loranthaceae family which can be used as a medicinal plant. This study aims to isolate and characterize secondary metabolites compounds from n-hexane extract of rubber parasite leaves (Helixanthera sp) and carry out a toxicity test using the Brine Shrimp Lethality Test (BSLT) method. Isolation was carried out using theb maceration method using m…

Efisiensi Adsorpsi Escherichia Coli Menggunakan Arang Aktif Cangkang Kelapa S…

Palm shells (Elaeis gueneensis Jacq.) is one of the materials that can be used as a good raw material for making active charcoal. Active charcoal can be used as an adsorbent for metals, non-metals and organic compounds. In this research, the potential of active charcoal from palm shell was seen from its ability to adsorb Escherichia coli with the continuous method. This study aims to determine …

Efisiensi Adsorpsi Arang Aktif Dari Cangkang Kelapa Sawit (Elaeis Guineensis …

Palm shell charcoal (Elaeis guineensis Jacq.) has the potential to be used as an adsorbent to adsorb Escherichia coli (E. coli), however its adsorption efficiency is relatively small. Therefore, to increase its adsorption efficiency in this study palm shell charcoal will be activated with ZnCl2 to adsorb E. coli with the batch method. The aim of this study was to analyze the concentration of Zn…

Sintesis Dan Uji In Silico Senyawa Pirazolin Turunan 1-Hidroksi-2-Asetilnafta…

Pyrazoline is an azole compound in the form of heterocyclic rings consisting of three C and two N atoms. Pyrazoline compound has a wide range of bioactivities. This study aims to analyse the anti-breast cancer activity of 2-(5-(3-chlorophenyl)-1-phenyl-4,5dihydro-1H-pyrazol-3-yl)naphthalen-1-ol (PF-NH1-3Cl) pyrazoline compound against the α-estrogen receptors. The PF-NH1-3Cl compound had been …

Profil Aspek Literasi Sains Peserta Didik Pada Pembelajaran Kimia Di SMA Nege…

Pendidikan merupakan tolak ukur dalam menentukan kemajuan suatu bangsa. Pendidikan yang mampu mendukung pembangunan di masa mendatang adalah pendidikan yang mampu mengembangkan potensi peserta didik, sehingga yang bersangkutan mampu menghadapi dan memecahkan problema kehidupan yang dihadapinya. Pendidikan pada abad 21 ini mendorong generasi muda untuk dapat mengembangkan potensi dirinya dengan …

Penerapan Metode Ionothermal Dengan Menggunakan Mixed Molten Salt Pada Sintes…

Katalis komposit CTF-ZnFe2O4 merupakan gabungan dua material CTF (Covalent triazine framework) dan ZnFe2O4. CTF adalah suatu material polimer organik yang memiliki ikatan cincin triazine. Material ZnFe2O4 merupakan mineral dengan struktur spinel disusun dari gabungan molekul oksida logam ZnO dan Fe2O3. Material tersebut berhasil disintesis menggunakan metoda ionothermal dengan variasi rasio mas…

Penerapan Pendekatan Inkuiri Untuk Meningkatkan Keterampilan Proses Siswa Pad…

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Pengaruh Variasi Komposisi Bahan Baku Briket Dari Limbah Kulit Batang Dan Am…

Limbah biomassa merupakan limbah yang cukup potensial untuk dijadikan bahan bakar alternatif pengganti sumber energi tidak terbarukan. Kulit batang sagu dan ampas sagu merupakan limbah biomassa hasil samping dari proses pengolahan sagu yang belum termanfaatkan secara maksimal. Kandungan Ligniselulosa pada kulit batang dan ampas sagu yang cukup tinggi memiliki potensi untuk dijadikan bahan bakar…

Sintesis Adsorben Magnetik Fe3o4/Karbon Aktif Berbasis Pelepah Kelapa Sawit (…

SUMMARY Synthesis of magnetic activated carbon adsorbents has been successfully carried out on a laboratory scale. Activated carbon was made from palm frond biomass (OPF) by carbonization in a furnace at 600°C for 1 hour and chemically activated using KOH activator with a weight ratio of charcoal and KOH (1:3) which is then calcined at 800°C for 30 minutes. The preparation of magnetic adsorb…

Aktivitas Antimikroba Dan Antioksidan Ekstrak Ko-Kultur Isolat Jamur Lokal Ri…

SUMMARY Penicillium sp. LBKURCC34 and LBKURCC38 are fungi isolated from peat soil of the primary forest of the Giam Siak Kecil Bukit Batu Biosphere Reserve (GSKBB) of Riau Province. These fungi are known to have the potential to produce secondary metabolites that have antimicrobial and antioxidant activity. To know their pontency this research was conducted to produce secondary metabolites usi…

Kinerja Ekstrak Biji Durian (Durio Zibethinus) Yang Dipreparasi Dengan Varias…

SUMMARY Utilization of grain as a natural coagulant (biocoagulant) can reduce the use of synthetic coagulants in peat water treatment. Grains have an active component in the form of protein which can act as a coagulant agent. Durian seeds can be used as a biocoagulant because it contains protein. This study aims to prepare, characterize and determine the effectiveness of durian seeds in re…

Potensi Biji Pepaya (Carica Pepaya) Sebagai Biokoagulan Untuk Penyisihan Warn…

SUMMARY Pepaya seeds are waste from pepaya fruit which is thrown away by the community because it is considered useless. This study aims to analyze the biocoagulant ability of pepaya seeds (Carica papaya) to remove odor, color, organic matter and Fe ions contained in peat water. The preparation of pepaya seed biocoagulant was carried out by extraction using 0.5 M NaCl and DM aqua respectively …