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All Journal Jurnal Pendidikan Indonesia Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) JOIV : International Journal on Informatics Visualization Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Akademika Kimia Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Journal of Applied Science, Engineering, Technology, and Education Jurnal Pengabdian kepada Masyarakat Nusantara Ideguru: Jurnal Karya Ilmiah Guru Jurnal Riset Pendidikan MIPA Mattawang: Jurnal Pengabdian Masyarakat Quantitative Economics and Management Studies Panrannuangku Jurnal Pengabdian Masyarakat Media Eksakta Jurnal Akademika Kimia Jurnal Ilmu Pendidikan Indonesia Jurnal Akademika Kimia Malacca: Journal of Management and Business Development
Purnama Ningsih
Program Studi Pendidikan Kimia, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Tadulako, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Pengaruh Konsentrasi Surfaktan Campuran (Span 80 dan Span 20) dan Rasio Volume Emulsi/Fasa Eksternal terhadap Ekstraksi Ion Kadmium (Cd) Menggunakan Teknik Emulsi Membran Cair Amin, Alif Hidayatullah; Hamzah, Baharuddin; Ningsih, Purnama
Jurnal Akademika Kimia Vol 7, No 4 (2018)
Publisher : Universitas Tadulako

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Abstract

Research on the extraction of cadmium(II) ion has been performed using the emulsion liquid membrane technique. This research used laboratory experimental method using benzoyl acetone as a carrier, kerosene as a membrane, nitric acid solution as an internal phase, span 80 and span 20 as a surfactant, and cadmium(II) solution as a sample. The present study was conducted to determine the optimum conditions of cadmium(II) ion extraction in solutions comprising variations in surfactant concentration of spans 80 and span 20 mixtures (1.5–3.5%) and variations in the ratio of emulsion/external phase (1:5–1:7). Determination of remaining of cadmium(II) ion concentration in the sample was analyzed using UV-Vis spectrophotometer at 519 nm wavelength. The results showed that the concentration of mixed surfactants (span 80 and span 20) which resulted in a maximum percent of extraction was 2.5% with 60.11% extraction percentage. In addition, the volume ratio of the emulsion/external phase gave a maximum extraction percentage at a ratio of 1:5.5 with an extraction percent of 78.03%.
Analysis of Potassium, Magnesium and Sodium Contents in Chayote (Sechium edule Sw.) from Sedoa, North Lore District, Poso Lage, Mersed Djein; Ningsih, Purnama; Sakung, Jamaluddin
Jurnal Akademika Kimia Vol 8, No 1 (2019)
Publisher : Universitas Tadulako

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Abstract

Chayote has minerals such as potassium, magnesium and sodium which are very beneficial for the human body. This study aimed to determine potassium (K), magnesium (Mg) and sodium (Na) in ripe and young chayote extracts as well as old and young chayote seeds extracts by using quantitative analysis method with atomic absorption spectrophotometry. Potassium, magnesium and sodium were analysed at a wavelength of 766.5 nm, 285.2 nm and 589 nm. The results showed that the potassium contents are 80.059 mg/100g in ripe chayote;  45.431 mg/100g in young chayote; 65.287 mg/100g in old chayote seed; and 73.014 mg/100g in young chayote seed. Sodium contents are 61.032 mg/100g in ripe chayote; 49.936 mg/100g in young chayote; 61.101 mg/100g in old chayote seed; and 71.621 mg/100g in young chayote seed. Additionally, magnesium contents are 47.327 mg/100g  in ripe chayote;  74.324 mg/100g in young chayote; 57.658 mg/100g in old chayote seed; and 58.529 mg/100g in young chayote seed.
Analisis Kadar Tanin dalam Ekstrak Daun Mimba (Azadirachta indica a. Juss) dengan Pelarut Air dan Etanol Mihra, Mihra; Jura, Minarni Rama; Ningsih, Purnama
Jurnal Akademika Kimia Vol 7, No 4 (2018)
Publisher : Universitas Tadulako

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Neem plant is a widely used in agriculture as green fertilizer, pesticides and insecticides. People usually use the leaves as for lowering blood sugar, skin diseases, preventing infection, and reducing itching. This study aims to identify and determine tannins levels containing in neem leaves extracts. This study applied extraction by maceration method using 2 different solvents, water and ethanol. Tannin is a metabolite secondary compound belong to phenolic compound groups which oxidized easily by strong oxidization agent (potassium permanganate) so then its determination utilized permanganate method (Lowenthal-Procter). The results showed that neem leaves in 250 mL water solvent contains 0.55% of tannin, while in 250 mL ethanol solvent and concentration of 96% contains 0.27% of tannin. 
Determination of Potassium (K) in Green Coconut (Cocos viridis) from Dolo and Labuan areas using Spectrophotometry Hikmawandari, Hikmawandari; Ningsih, Purnama; Ratman, Ratman
Jurnal Akademika Kimia Vol 8, No 1 (2019)
Publisher : Universitas Tadulako

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Abstract

One of the potential plantations in Dolo and Labuan area is coconut plant. Coconut water as one of the coconut product has not been widely used, even it contains many minerals. Potassium contained in coconut water can be utilized an additional mineral intake for human. This study aimed to determine potassium (K) levels in green coconut (coconut viridis) water from Dolo and Labuan areas using spectrophotometric. The results showed that the average concentration of K in green coconut water samples from Dolo area was 162 ppm, while from Labuan area was 154 ppm. This study concluded that the higher level of potassium is in green coconut water samples from Dolo area.
Purification of Used Cooking Oil Using (Tamarindus indica L.) Seeds Fauzhia, Hariati; Jura, Minarni Rama; Ningsih, Purnama
Jurnal Akademika Kimia Vol 8, No 1 (2019)
Publisher : Universitas Tadulako

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Abstract

Adsorbent has been widely used in the purification of used cooking oil to improve their quality. This study aimed to determine the quality of cooking oil after adsorbing with tamarindus indica L. seeds. Parameters of the oil quality were color, free fatty acid, peroxide number, and moisture levels. The oil color was determined using UV-Vis spectrophotometer, free fatty acid level using acid-base titration method, peroxide number level using iodometric titration method, and moisture level using gravimetric method. Concentration of adsorbent on the adsorption process varied by 1%, 3% and 5% with two types of cooking oil sample namely traditional cooking oil and brand X cooking oil. The results showed that the oil color became brighter by adding adsorbent. Free fatty acid, peroxide number, and moisture levels decreased by increasing the adsorbent concentration. The best result was obtained at 5% adsorbent concentration. Traditional cooking oil decreased in absorbance from 0.2955 to 0.0610, free fatty acid level decreased from 2.7300% to 0.8300%, peroxide number level decreased from 7 meq/kg to 2.4 meq/kg, and moisture level decreased from 1.5191% to 0.1495%. While for the cooking oil of brand X decreased in absorbance from 0.4355 to 0.1860, free fatty acid level decreased from 1.1900% to 0.6600%, peroxide number level decreased from 4 meq/kg to 1.3 meq/kg, and moisture level decreased from 1.4198% to 0.1197%.
Effect of Basil (Ocimum sanctum Linn) Leaf Extract As Repellent Against Mosquito Aedes aegypti Aulia, Nur; Hamzah, Baharuddin; Ningsih, Purnama
Jurnal Akademika Kimia Vol 8, No 2 (2019)
Publisher : Universitas Tadulako

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Abstract

Study on the effect of basil (Ocimum sanctum Linn) leaf extract has been done as a repellent against mosquito (Aedes aegypti). This study aimed to examine the effect of basil leaf extract on Aedes aegypti using an electrical device. This study usedan extraction method with ethanol 96%solvent followed by evaporation to obtain concentrated basil leaf extract. The concentrated extract was diluted to concentrations of 20, 30, 40 and 50% w/v. The results showed that the concentration of basil leaf extract 50% eliminatedmost mosquitoes (Aedes aegypti).
The Analysis of Total Flavonoid Levels In Young Leaves and Old Soursop Leaves (Annona muricata L.) Using UV-Vis Sepctrofotometry Methods A. Makuasa, Dian Anriani; Ningsih, Purnama
Journal of Applied Science, Engineering, Technology, and Education Vol. 2 No. 1 (2020)
Publisher : Yayasan Ahmar Cendekia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.308 KB) | DOI: 10.35877/454RI.asci2133

Abstract

Soursop ( Annona muricata L.) is a type of fruit plant that contains nutrients and is a traditional medicinal ingredient that has multiple properties. This study aims to determine total flavonoid levels in young and old soursop leaf extracts using a UV-Vis spectrophotometry. Extraction of chemical content in young and soursop (Annona muricata L.) leaf extracts was carried out by maceration methos using 96% ehtanol solvent. Determination of total flavonoid levels of sample extracts was carried out through absorpation measurements at a wavelength of 432 nm. The result of the quantitative test were obtained from this study, namely total flavonoid levels in the samples of young soursop leaf extract as much as 410,833 mg/100g, whereas in large soursop leaf extract samples as many as 505,208 mg/100g.
The Influence of Applaying Problem Based Learning Model assisted by Animation Media on Students, Motivation and Learning Outcomes at SMA Negeri 10 Sigi Arfiani, Arfiani; Mustapa, Kasmudin; Ningsih, Purnama
Jurnal Riset Pendidikan MIPA Vol. 2 No. 2 (2018)
Publisher : Universitas Tadulako

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Abstract

The Analysis of Total Flavonoid Levels In Young Leaves and Old Soursop Leaves (Annona muricata L.) Using UV-Vis Sepctrofotometry Methods Dian Anriani A. Makuasa; Purnama Ningsih
Journal of Applied Science, Engineering, Technology, and Education Vol. 2 No. 1 (2020)
Publisher : Yayasan Ahmar Cendekia Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.616 KB) | DOI: 10.35877/454RI.asci2133

Abstract

Soursop ( Annona muricata L.) is a type of fruit plant that contains nutrients and is a traditional medicinal ingredient that has multiple properties. This study aims to determine total flavonoid levels in young and old soursop leaf extracts using a UV-Vis spectrophotometry. Extraction of chemical content in young and soursop (Annona muricata L.) leaf extracts was carried out by maceration methos using 96% ehtanol solvent. Determination of total flavonoid levels of sample extracts was carried out through absorpation measurements at a wavelength of 432 nm. The result of the quantitative test were obtained from this study, namely total flavonoid levels in the samples of young soursop leaf extract as much as 410,833 mg/100g, whereas in large soursop leaf extract samples as many as 505,208 mg/100g.
The Implementation of Demonstration Method to Students Learning Outcomes and Interests on Colloid Materials at Class XI Science of SMA Negeri 1 Kasimbar Megawati Megawati; Suherman Suherman; Purnama Ningsih
Jurnal Akademika Kimia Vol. 9 No. 2 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (270.043 KB) | DOI: 10.22487/j24775185.2020.v9.i2.pp87-92

Abstract

This research aims to examine the demonstration method on chemistry learning through colloid materials to learning achievement and interest of students at class XI Science of SMA Negeri 1 Kasimbar. This research was a true experimental design with pretest-posttest control group design. Sampling was carried out based on special considerations (purposive sampling) with 21 students in class XI science 2 as a sample of experimental class and 21 students of class XI science 1 as control class. This research instruments were a learning achievement test and questionnaire. Data was analyzed through descriptive statistical analysis, namely test questionnaire data, as well as inferential statistical analysis to test the hypothesis using two-party t-test. Analysis of questionnaire data of students’ learning interests showed that the experimental class was in the agree to category with a percentage of 78.05% while the control class was in the agree category with a percentage of 60.63%. Therefore, it can be concluded that the demonstration method in chemistry learning on colloidal material affects the learning achievement learning interest of students class XI Science of SMA Negeri 1 Kasimbar.
Co-Authors A. Makuasa, Dian Anriani Ade P. Maedja Afadil Agussatriana Ahmar, Ansari Saleh Amalia, Maryam Amin, Alif Hidayatullah Amiruddin Kade Anak Agung Gede Sugianthara Andrianto Handojo, Andrianto Anggreni, Afrillia Arfiani, Arfiani Asy’Ari, Qaiyim Azzajjad, Muhammad Fath Baby Melyta Pallar Baharuddin Hamzah Beddu, Amsar T. Boroallo, Paramitha Yemima C. Morokuhi, Yulina Dandi Daud Karel Walanda Dewi Satria Ahmar Dian Anriani A. Makuasa Eksari Ekasari Fardiana, Fardiana Fauzhia, Hariati Fitriani Fitriani Genefefa T., Fulgensia Hardani, Muhammad Fakhrul Hasanah, Fitriyatun Hendrik Kurniawan Hikmawandari, Hikmawandari I Made Subrata, I Made Irwan Irwan Irwan Said Irwan Said Jamaludin M Sakung K. Walanda, Daud Kaipal, Kaipal Kasmudin Mustapa Khair, Fathul Lage, Mersed Djein Leonardo Leonardo Luh Putu Ratna Sundari Magfirah Mardiati Sulistyowati Maryam Maryam Megawati Megawati Mery Napitupulu Miftahul Jannah Mihra, Mihra Minarni Rama Jura Mubarik Mubarik Muh. F. I. Ote Muhammad Zaki Muhammad Zaky Nasution, Annio Indah Lestari NB Prihantini, NB Ningsih, Dwi Arista Nining Prihantini, Nining Nur Hayati Nur wahidah Nurfianti NURLAELA NURLAELA Nurlia L. Radjabani Oktavia, Rini Pathuddin Pati, Andi C. D. Patmasari, Andi Paulus H. Abram Paulus Hengky Abram Poppy Fitra Wahyuni Rahma, Nur Ratman Ratman Ratman Ratman Ratman Ratman Reny, Reny Rezki Rezki Ririen Hardani Riski, Fahrul Satriani, Dewi Singgih Sugeng Santosa Siti Aminah Siti Fatimah Siti S. K. Pandjo Sitti Aminah Sitti Rahmawati Sri Hastuti Virgianti Pulukadang Sri Mulyani Sri Mulyani Sabang Sri Wahyuni Suherman Suherman Sulviana Supriyatman, Supriyatman Tiwow, Vanny Maria Agustina Toyyibah, Nurul Tri Santoso Vivi D. A. Sangkota