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All Journal AMMA : Jurnal Pengabdian Masyarakat Jurnal Akademika Kimia
Sri Mulyani
Universitas Tadulako
Humanities Chemistry Education Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing

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Desiminasi Hasil Kajian Likuefaksi di Desa Lolu astri rahayu; Ida Sri Oktaviana; Agus Dwijaka; Ajeng Listianti; Ramsy Madyan Munde; Aldi Wahyudi; Sri Mulyani; , Muhammad Ilham
AMMA : Jurnal Pengabdian Masyarakat Vol. 1 No. 11 (2022): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

  Abstrak−Gempa bumi yang berkekuatan 7,4 MW di Sulawesi Tengah tepatnya di kota Palu, Kabupaten Sigi dan Kabupaten Donggala pada tanggal 28 September 2018, memicu terjadinya likuefaksi di beberapa lokasi, salah satu lokasi yang mengalami likuefaksi yaitu di Desa Lolu kabupaten Sigi. Likuefaksi yang terjadi menyebabkan lateral spreading yang berakibat rusaknya  prasarana  berupa  jalan dan perumahan, sehingga melatarbelakangi peneliti untuk melakukan penelitian pada Desa Lolu. Penelitian ini bertujuan untuk mengetahui dan membandingkan properties tanah terdampak dan tidak terdampak likuefaksi, serta mengetahui potensi likuefaksi di lokasi Desa Lolu. Penelitian terdiri dari 2 metode pengujian, yaitu pengujian lapangan dan pengujian laboratorium. Pengujian lapangan menggunakan alat uji Swedish Weight Sounding dan Geolistrik, pengujian laboratorium meliputi analisa saringan dan batas-batas Atterberg. Klasifikasi tanah terdampak dan tidak terdampak adalah pasir berlanau yang bergradasi buruk (SP-SM). Hasil uji lapangan diperoleh bahwa desa Lolu memiliki potensi likuefaksi yang tinggi Hasil penelitian ini dipandang perlu untuk didesiminasikan kepada masyarakat sekitar khususnya mereka yang berada di lokasi Lolu, sehingga masyarakat setempat mendapatkan informasi yang memadai tentang kondisi wilayah tempat tinggal mereka. Dengan memahami potensi bahaya alam (likuefaksi), maka masyarakat dapat mempersiapkan diri untuk mitigasi bencana di kemudian hari. Olehnya kegiatan pengabdian ini difokuskan kepada penyebarluasan hasil penelitian pada masyarakat sasaran tempat penelitian dilakukan.
Misconceptions Reduction of Science High School Students on Buffer through Remedial Using Conceptual Change Anna Kurnia; Tri Santoso; Ijirana Ijirana; Sri Mulyani; Kasmudin Mustapa
Jurnal Akademika Kimia Vol. 10 No. 3 (2021)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2021.v10.i3.pp159-166

Abstract

This study aimed to analyze the results of the reduction of misconceptions among SMA Negeri 5 Palu students on the buffer material using the conceptual change learning strategy. This research is a type of pre-experimental research with a research design that is One group pretest-posttest design. This study contained one experimental group, namely students whose learning outcomes did not reach the minimum completeness criteria (MCC), then given a pre-test to determine the initial state of the experimental group, then given treatment, and given a post-test. Testing student misconceptions data using CRI. The results showed that the average percentage of students, who knew the concept (KC), did not know the concept (DKC), and misconceptions (MC) before the application of conceptual change learning strategies were 38.1%, 45.2%, and 16, respectively. 6% and the percentage of students knowing the concept (TC), not knowing the concept (NKC), and misconception (MC) after the application conceptual change learning strategies respectively 87.4%, 12.6%, and 0%. In conclusion, the average percentage reduction in misconceptions of grade XI IPA SMA Negeri 5 Palu on the buffer through remedial using the conceptual change learning strategy was 16.6%
Proximate Composition Study of Biscuits from Durian (Durio Zibethinus Murr.) Seed Flour as Food Innovation Andi C. D. Pati; Irwan Said; Purnama Ningsih; Sitti Aminah; Sri Mulyani
Jurnal Akademika Kimia Vol. 14 No. 2 (2025)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2025.v14.i2.pp97-102

Abstract

Biscuits are one of the most popular snacks for the public, with the primary raw material being wheat flour. However, the high dependence on wheat flour encourages the need to find alternative ingredients that are more diverse and have high nutritional value. This study aims to analyze the proximate content (carbohydrate, protein, and fat) of biscuits made from durian seed flour (TBD), which is compared with cornstarch (TM) and wheat flour (TT). Proximate analysis methods included UV-Vis spectrophotometry for carbohydrate analysis, the Kjeldahl protein method, and Soxhlet fat extraction. The formulations used consisted of: F1 (100% TBD), F2 (100% TM), F3 (50% TBD:50% TM), and F4 (50% TT:50% TM). The results showed that the highest carbohydrate content was found in F1 at 70.07%, while the highest protein content in F4 at 13.65%. The highest fat content was found in F2 at 21.69%. The best formulation was obtained in F3 (50% TBD:50% TM) because it has a balanced nutritional composition and potential as a functional food product, especially for people with diabetes. In addition, this biscuit product has the potential as a contextual learning medium in food science and nutrition, especially in introducing proximate concepts and utilizing tropical fruit seed waste.
Co-Authors , Muhammad Ilham Agus Dwijaka Ajeng Listianti Aldi Wahyudi Andi C. D. Pati Anna Kurnia astri rahayu Ida Sri Oktaviana Ijirana Irwan Said Kasmudin Mustapa Purnama Ningsih Ramsy Madyan Munde Sitti Aminah Tri Santoso