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Putri, Noni Khaisha
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Chemistry

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LITERATURE REVIEW: ANALYSIS OF WEAKNESS AND INHIBITING FACTORS IN THE IMPLEMENTATION OF THE MERDEKA CURRICULUM Akbar, Muhammad; Putri, Noni Khaisha; Febriani, Sarah; Abunoya, Juleha Ilfri; Sukemi, Sukemi
PROSIDING SEMINAR KIMIA Vol 2 No 1 (2023): Prosiding SNK 2023
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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The Merdeka Curriculum issued by the Ministry of Education, Culture, Research and Technology is expected to be a program that is able to overcome educational problems due to the Covid-19 Pandemic. This curriculum offers three functions, namely project-based learning characterized by the Pancasila Student Profile, study of subject matter and a more flexible curriculum structure. An application of the curriculum has weaknesses and inhibiting factors. This literacy study was conducted to examine the weaknesses and inhibiting factors in implementing the Merdeka Curriculum. The method used is a narrative literature review with a literature search using keywords in the range of 2019 to March 2023 and 30 relevant articles were found. Weaknesses and inhibiting factors found in the implementation of the Merdeka Curriculum, namely teacher unpreparedness, lack of training related to the Merdeka Curriculum, lack of facilities and infrastructure, and a less than optimal learning system. The results of this literature review indicate that it is necessary to analyze and evaluate the Merdeka Curriculum so that solutions are found and actions that can overcome weaknesses and inhibiting factors that ultimately it is hoped that the implementation of the Merdeka Curriculum can run well. Keywords: Pancasila Student Profile, Merdeka Curriculm, Inhibiting factor
KOMPOSIT HIDROKSIAPATIT DARI CANGKANG TELUR DENGAN TiO2 SEBAGAI KATALIS DALAM PROSES ADSORPSI METHYLEN BLUE Lutfiana, Ayu; Cahyadi, Setiawan; Luthfiyah, Luthfiyah; Qolbiah, Iftatun; Jelsy, Jelsy; Putri, Noni Khaisha; Widiyowati, Iis Intan
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Hydroxyapatite (HAp) is an inorganic compound composed of calcium (Ca) and phosphate (PO43-). This compound is useful for removing colored liquid waste and becomes an environmentally friendly adsorbent. HAp sources are very abundant and have high economic value, one of which is eggshells. Eggshells contain 94% calcite compound, this compound contributes to the mechanical properties and strength of HAp. HAp has unique properties of high ion exchange and adsorption, high thermal stability, and non-toxicity, but there are shortcomings of HAp namely poor mechanical properties and brittleness. A way to improve the mechanical strength of HAp is to composite it with metals. This study was designed to determine the adsorption ability of hydroxyapatite (HAp/TiO2) composite from eggshell against methylene blue. In this study, the synthesis of HAp using hydrothermal method with eggshell material through the calcination process with a temperature of 1000°C obtained the results of CaO which will be synthesized into pure HAp and the results of HAp will be composited with TiO2 metal. The results of HAp/TiO2 are used to adsorb methylene blue with several variations, namely mass, pH, concentration, and time. From the various variations obtained results for the optimum mass variation of 0.125 grams, the optimum contact time at 4 hours, and for the optimum concentration with pH 9, and at a concentration of 100 ppm provides maximum adsorption results against methylene blue. Keywords : Hydroxyapatite; Composite; Adsorption; Methylene Blue
Co-Authors Abunoya, Juleha Ilfri Cahyadi, Setiawan Febriani, Sarah Iis Intan Widiyowati Jelsy, Jelsy Lutfiana, Ayu Luthfiyah Luthfiyah Qolbiah, Iftatun RR. Ella Evrita Hestiandari Sukemi Sukemi