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PENGENALAN PRAKTIKUM SAINS DARI BAHAN YANG ADA DI SEKITAR SEBAGAI SUMBER PEMBELAJARAN DARING BAGI GURU SMP NURUL FADHILAH Sri Adelia Sari; Zainuddin Muchtar; Rini Selly; Siti Rahmah; Jasmidi Jasmidi; Moondra Zubir; Putri Faradilla; Dwy Puspita Sari
Jurnal Abdi Insani Vol 10 No 3 (2023): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v10i3.1015

Abstract

This community service activity focuses on dealing with partner problems, namely junior high school teachers at YP Nurul Fadhilah. The problems faced are the lack of application of material-based practicum around and teachers’ lack of knowledge and skills regarding making practicum innovations a source of online learning. A teacher is required to be able to adapt to the development of science and technology during the industrial revolution 4.0, therefore additional activities are needed to make this happen. This activity aims to increase teacher knowledge and skills in applying material-based practicum around to become an online learning resource. The method used consists of 4 stages, namely: Socialization of the introduction of practicum from nearby materials, training on making practicum into an online learning resource and assistance in the implementation of making online learning resources and evaluating results. Executors provide tools and materials, while partners prepare laptops for application training. The results obtained from this activity were that the teachers experienced improvements both in terms of knowledge and skills. Quantitatively, the teacher's ability regarding practical knowledge from surrounding materials to online learning materials increased for science teachers with an average score of 83.3 and non-science teachers with an average score of 66.43. In addition to increasing knowledge and skills, partners also produce products, namely online learning resources in the form of videos. In general, partners have produced products in good condition. Conclusion: This PKM activity increases partners' knowledge of using local materials. This activity also adds to teachers' skills in creating online learning resources.
Synthesis and Characterization of Activated Carbon/Alginate-Cu Composites Maya Novita Sari; Zainuddin Muchtar; Jasmidi Jasmidi; Siti Rahmah; Ahmad Shafwan Pulungan; Moondra Zubir; Rini Selly; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 2 (2023): JULY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i2.49372

Abstract

OPEFB is one source of natural fiber-based composites which have the potential to become activated carbon. This study aims to synthesize and characterize the activated carbon/alginate -Cu composite. The characterization used in this study is FTIR. The results of this study The synthesis of activated carbon/alginate -Cu composites began with a process of carbonization and activation with H3PO4 to produce Activated Carbon. Alginate using commercial alginate. Furthermore, the three ingredients were mixed until homogeneous and put into a 0.1M CuSO4 solution to produce beads. The characterization of FTIR characterization on the activated carbon/alginate-Cu composite contained the functional group OH group, triple C bond from stretching alkyne, C=C aromatic group, C-H alkane group, C-O group , the P=O stretching vibration of the P-O-C group and the alcohol OH group expressing the active carbon; there are functional groups of hydroxyl (OH), carboxyl, carbonyl, and C-O-C and –COOH bonds which represent alginate and there are OH functional groups, stretching C-H bonds, C-O stretching, stretching C-C. The KALg Cu13 sample had a peak at a wavelength of 2838.79 Cm-1 Where the four samples show the presence of C≡N groups.
Adsorption Equilibrium Properties of Zn(II) on Activated Carbon Composite of Derived Empty Palm Oil Fruit Bunches with Metal Organic Frameworks Cu(TAC) Amar Lohot Tanjung; Moondra Zubir; Rini Selly; Jasmidi Jasmidi; Siti Rahmah; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 2 (2023): JULY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i2.49377

Abstract

This study aims to determine the adsorption equilibrium of the activated carbon of empty palm oil fruit bunches and KA-Cu(TAC) on Zn(II). Oil palm empty fruit bunches are used as a biosorbent in making carbon at a temperature of 5000 C, the resulting carbon is activated using H3PO4 and modified into a composite with metal organic frameworks of Cu metal and terephthalic acid. MOFs and KA-Cu(TAC) composites were produced by reflux method. Activated carbon, MOFS and KA-Cu(TAC) were characterized using XRD. The adsorption process of Zn(II) metal was analyzed using AAS and determined the optimum conditions with various concentrations to determine the adsorption equilibrium. XRD characterization results show that activated carbon has an amorphous structure, while MOFs Cu(TAC) and KA-Cu(TAC) have a crystalline structure. The optimum condition of activated carbon and KA-Cu(TAC) at a concentration of 180 ppm with the appropriate adsorption isotherm model is the Langmuir isotherm.
Synthesis and Characterization of Activated Carbon/Alginate/Nanocellulose-Cu Composites Atikah Nur Syahirah; Jasmidi Jasmidi; Zainuddin Muchtar; Siti Rahmah; Ahmad Shafwan Pulungan; Moondra Zubir; Rini Selly; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 2 (2023): JULY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i2.49369

Abstract

OPEFB is one source of natural fiber-based composites which have the potential to become activated carbon and nanocellulose. This study aims to synthesize and characterize the activated carbon/alginate/nanocellulose-Cu composite. The characterization used in this study is FTIR and PSA. The synthesis of activated carbon/alginate/nanocellulose-Cu composites began with a process of carbonization and activation with H3PO4 to produce Activated Carbon. Followed by a bleaching process with NaClO2 and a delignification process with Na2SO3 and NaOH to produce Nanocellulose. Alginate using commercial alginate. Furthermore, the three ingredients were mixed until homogeneous and put into a 0.1M CuSO4 solution to produce beads. The results of the characterization of characterization of PSA Nanocellulose obtained a particle size of 41.05 nm and the result of FTIR characterization on the activated carbon/alginate/nanocellulose-Cu composite contained the functional group OH group, triple C bond from stretching alkyne, C=C aromatic group, C-H alkane group, C-O group, the P=O stretching vibration of the P-O-C group and the alcohol OH group expressing the active carbon; there are functional groups of hydroxyl (OH), carboxyl, carbonyl, and C-O-C and –COOH bonds which represent alginate and there are OH functional groups, stretching C-H bonds, C-O stretching, stretching C-C, and β- glucosidic bonds between glucose units which indicate nanocellulose.
Synthesis And Characterization of Activated Carbon/Alginate/Nanocellulose-Fe Composite as Slow Release Fertilizer Riska Cahyati; Atikah Nur Syahirah; Siti Rahmah; Zainuddin Muchtar; Jasmidi Jasmidi; Ahmad Shafwan Pulungan; Moondra Zubir; Rini Selly; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 2 (2023): JULY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i2.49374

Abstract

Fe deficiency in plants results in yellowing of leaves on plants and also reduces the quality of fruit produced. Fe deficiency in plants can be treated by applying slow release fertilizer which will release the nutrients in the fertilizer slowly according to plant needs so that there will be no problem of deficiency or excess of Fe. Activated Carbon/Alginate/Nanocellulose-Fe Composite can be used as slow release fertilizer because this composite releases Fe slowly with citric acid medium and tested with AAS. The functional groups in the Activated Carbon/Alginate/Nanocellulose-Fe Composite showed no disappearance of the functional groups belonging to activated carbon, alginate or nanocellulose so that it can be said that these three components were successfully made into composites and can be carriers of nutrients in micro-fertilizers.
Adsorption Properties of Fe (II) from Activated Carbon Composite of Empty Palm Oil Bunches with Metal Organic Frameworks Cu-TAC Nadia Agnes Cantika Nadeak; Moondra Zubir; Rini Selly; Hafni Indriati Nasution; Jasmidi Jasmidi; Siti Rahmah; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 2 (2023): JULY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i2.49379

Abstract

This study aims to determine the adsorption capacity, study the kinetics and adsorption equilibrium of activated carbon/AC and composite carbon/AC-Cu(TAC) in the adsorption process of Fe metal. Oil palm empty fruit bunches (EFB) were used as activated carbon and modified with MOFs Cu(TAC) composite. The concentration of Fe(II) ions adsorbed during the adsorption process was analyzed using AAS. The variations used to determine the optimum conditions for absorption of Fe(II) ions are the mass variation of the adsorbent, the variation of the adsorbate concentration and the contact time between the adsorbent and the adsorbate. Through variations in concentration, the adsorption isotherm characteristics were determined and through variations in contact time, the adsorption kinetics model was determined. The results of AC characterization showed a sharp absorption in the presence of OH, CH and CO groups which indicated the presence of cellulose. AC is amorphous and AC-Cu(TAC) is crystalline and the pore size is mesoporous. The optimum condition for AC is the mass variation of 1 g with an absorption capacity of 0.1816 mg/g, a variation of the concentration of 60 ppm with an absorption capacity of 3.49 mg/g and a contact time of 75 minutes with an absorption capacity of 3.82 mg/g. The optimum condition for ACCu(TAC) was the mass variation of 1 g with an absorption capacity of 0.7275 mg/g, a variation of the concentration of 180 ppm with an absorption capacity of 10.52 mg/g and a contact time of 15 minutes with an absorption capacity of 10.85 mg/g. AC-Cu(TAC) has a better adsorption ability in adsorbing Fe(II) ions. For AC and AC-Cu(TAC) the suitable adsorption isotherm is Freundlich isotherm and the suitable adsorption kinetics model is pseudo second order
Adsorption of Heavy Metal Cu(II) in Wastewater Using Adsorbents from Empty Oil Palm Bunches Indah Fitri; Hafni Indriati Nasution; Jasmidi Jasmidi; Moondra Zubir; Siti Rahmah; Rini Selly; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 2 (2023): JULY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i2.49370

Abstract

Heavy metal pollution has increased with increasing industrialization. To overcome this contamination, carried out by using the adsorption method. The adsorbents used are activated carbon and porous polymer composite carbon Cu(TAC). in liquid waste, one of which is Cu metal. This is evidenced by the existence of data showing the efficiency of activated carbon and porous polymer composite carbon Cu(TAC) above 90%. In addition, activated carbon and porous polymer composite carbon Cu(TAC) have an adsorption isotherm equation that is suitable for Cu(II) adsorption is the Langmuir isotherm with linear regression values of 0.9045 and 0.8912
Adsorption Of Soluble Ammoniac Using A Porous Polymer Composite Cu-(TAC) And Activated Carbon Empty Fruit Palm Oil Rissah Maulina; Rini Selly; Hafni Indriati Nasution; Jasmidi Jasmidi; Moondra Zubir; Siti Rahmah; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 2 (2023): JULY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i2.49375

Abstract

This study aims to determine the stages in the process of making activated carbon, synthesis of porous polymer composites Cu(TAC) and activated carbon composites (KA-Cu(TAC) for adsorption of dissolved ammonia (NH4OH). To know the characterization results of activated carbon and KA- Cu(TAC), as well as knowing the optimum mass, concentration, and contact time of activated carbon KA-Cu(TAC) for the adsorption of dissolved ammonia. The research stages started from Empty Oil Palm Bunches (EFB) used as biosorbents for carbon production at 500oC. The resulting product was activated with H3PO4, then modified with porous polymer Cu(TAC) to make a composite. The KA-Cu(TAC) composite was synthesized by reflux method. Then MOFs, activated carbon and KACu(TAC) composite were characterized by BET. The BET characterization results showed that the successfully synthesized KA-Cu(TAC) composite experienced an increase in surface area.In the NH4OH adsorption process the optimum mass efficiency on activated carbon still increased at 8 grams while the KA-Cu(TAC) composite obtained an efficiency of 36, 6% and optimally at a mass of 4 g. At variations in concentration, the efficiency of the two samples still decreased. And the optimum time efficiency obtained in the NH4OH adsorption process with activated carbon was 70% and the KA-Cu(TAC) composite was 86.6%, both samples were equally optimal at 75 minutes.
Synthesis of Cu-(TAC) Composite with Oil Palm Empty Fruit Bunch Waste Activated Carbon Through the Adsorption Mechanism of βCarotene Lidia Mutia Sari; Jasmidi Jasmidi; Hafni Indriati Nasution; Moondra Zubir; Siti Rahmah; Rini Selly; Putri Faradilla
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 6, No 2 (2023): JULY 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v6i2.49371

Abstract

This study aims to determine the adsorption and desorption abilities of activated carbon and Cu-(TAC) composites in the β-carotene adsorption process on Crude Palm Oil (CPO). Oil Palm Empty Fruit Bunches (EFB) are used as activated carbon and modified with MOFs Cu-(TAC). Activated carbon and Cu-(TAC) composites were characterized by XRD, SEM-EDX, and BET. The concentration of β-carotene absorbed during the adsorption process was analyzed using a UV-Vis spectrophotometer. The variations used to determine the optimum conditions for absorption of β-carotene were the mass variation of the adsorbent and the variation in the contact time between the adsorbent and adsorbate. The results of the characterization of activated carbon showed a sharp absorption in the presence of O-H, C-H and C-O groups indicating the presence of cellulose. Activated carbon is amorphous and the Cu-(TAC) composite has a crystal structure and its pore size is mesoporous. The optimum conditions for the use of activated carbon for β-carotene adsorption were the mass variation of 8 grams with 0.495 ppm of β-carotene and contact time at 120 minutes with 2.605 ppm of β-carotene. The optimum condition of the Cu-(TAC) composite in the β-carotene adsorption process was at 4 gram mass variation with 1.026 ppm β-carotene content and optimum contact time at 60 minutes with 6.384 ppm β-carotene content. The ability of desorption can be seen from the percentage of desorption showing activated carbon in the 150th minute with 96.252% while in the Cu-(TAC) composite in the 30th minute with 88.188%.
Pelatihan Pembuatan Hand Sanitizer Berbasis Ekstrak Daun Jelatang (Urtica dioica L.) di MTsN 3 Medan Ahmad Nasir Pulungan; Junifa Layla Sihombing; Putri Faradilla; Dwy Puspita Sari; Zuhairiah Nasution; Mutiara Agustina Nasution; Haqqi Annazili Nasution; Ida Duma Riris; Mhd Fahmi; Nia Veronika; Nurul Hidayah
Jurnal Pengabdian Kepada Masyarakat (JPKM) TABIKPUN Vol. 4 No. 2 (2023)
Publisher : Faculty of Mathematics and Natural Sciences - Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpkmt.v4i2.117

Abstract

Pelatihan pembuatan hand sanitizer dengan ekstrak daun jelatang (Urtica dioica L.) dilakukan dalam rangka mendukung gerakan madrasah sehat di MTsN 3 Medan melalui program perilaku hidup bersih dan sehat (PHBS). PHBS dianggap mampu menciptakan lingkungan sekolah yang sehat. Salah satu cara menjaga kebersihan yang paling dasar adalah menjaga kebersihan tangan yang banyak menjadi akses penularan bakteri. Penggunaan hand sanitizer merupakan upaya yang paling sederhana, efektif dan efisien. Penambahan bahan alami seperti ekstrak daun jelatang (Urtica Dioica L.) dapat dimanfaatkan sebagai anti bakteri. Metode yang dilakukan pada kegiatan ini berupa penyuluhan serta pelatihan secara langsung pembuatan produk hand sanitizer dengan ekstrak daun jelatang (Urtica dioica L.). Setelah adanya kegiatan PKM ini, peningkatan pemahaman kelompok mitra terhadap PHBS dan produksi hand sanitizer mengalami peningkatan sekitar 2,86 – 37,90%.