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All Journal Jurnal Bioterdidik: Wahana Ekspresi Ilmiah Jurnal Riset Kimia Jurnal Pendidikan Kimia Universitas Riau Jurnal Fisika FLUX Al-Kimia Orbital: Jurnal Pendidikan Kimia Jurnal Pengabdian Pada Masyarakat Konfigurasi : Jurnal Pendidikan Kimia dan Terapan Jurnal Pendidikan Kimia (JPKim) Jurnal Redoks Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia Jurnal Katalisator JKPK (Jurnal Kimia dan Pendidikan Kimia) Fullerene Journal of Chemistry JEDCHEM (JOURNAL EDUCATION AND CHEMISTRY) Jurnal Abdidas Jurnal Pengabdian UNDIKMA Humanism : Jurnal Pengabdian Masyarakat Hydrogen: Jurnal Kependidikan Kimia Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Community Education Engagement Journal Journal Of Research and Education Chemistry (JREC) J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat) Jurnal Edukasi Pengabdian Masyarakat: EDUABDIMAS DIDAKTIKA
Putri Ade Rahma Yulis
Universitas Islam Riau
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Nursing Physics Public Health Social Sciences Other

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Kajian Kualitas Air Tanah Ditinjau dari Parameter pH, Nilai COD dan BOD pada Desa Teluk Nilap Kecamatan Kubu Babussalam Rokan Hilir Provinsi Riau Putra, Arief Yandra; Yulia, Putri Ade Rahma
Jurnal Riset Kimia Vol 10, No 2 (2019): September
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v10i2.337

Abstract

Based on a preliminary study that has been carried out, Teluk Nilap Village, Kubu Babussalam District, Rokan Hilir was affected by the disposal of waste from oil company. The waste partly seeps into the residents' water sources which are used for domestic activities. It was because the location of the water sources close to the location of the waste oil disposal. The sampling technique in this study used the observation point technique (pumping test). Sampling refers to the point of waste oil flow (upstream, middle, downstream) and dug well water taken randomly (random sampling). The results showed pH values ranged from 2.8 to 6.6; BOD values range from 0.42 to 141.1 mg / L; COD values range from 20 to 291 mg / L. Ground water quality at some point in Teluk Nilap Village exceeded quality standard limits allowed and included in heavy pollution category.
EKSTRAK ETANOL LIMBAH KULIT BUAH KAKAO (THEOBROMA CACAO L.) SEBAGAI BAHAN BAKU BERPOTENSI OBAT Herman Herman; Indica Septriyanti; T Rahmat Ramadhani; Putri Ade Rahma Yulis; Arief Yandra Putra
JEDCHEM (JOURNAL EDUCATION AND CHEMISTRY) Vol 2 No 2 (2020): Jurnal Ilmu Pendidikan, Ilmu Kimia dan Pendidikan Kimia
Publisher : LEMBAGA PENELITIAN DAN PENGABDIAN MASYARAKAT (LPPM) UNIKS

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Abstract

Cocoa fruit is one of the fruits with local wisdom that can benefit Indonesia. But its used still limited to the fruit, while the peel of the cocoa fruit is only discarded so that it becomes a waste that will have an impact on the surrounding environment. We can minimize the amount of waste from the peel of the cocoa fruit is to make something useful that is a potential drug raw material. In this study a qualitative test was conducted to determine the secondary metabolite content of the cocoa plant. Flavonoid test results have positive results that indicate a change in color. The results of phenolic and tannin testing have positive results that indicate the formation of bluish black or green. Saponin test results have positive results that indicate the formation of foam. Triterpenoid test results did not show positive results. Based on the results of the study, cocoa peel waste has the potential to be used as an alternative to potentially medicinal raw materials.
Aktivitas Antioksidan Kulit Pisang Muli (Musa acuminata linn) dan Kulit Pisang Kepok (Musa paradisiaca formatypica) Putri Ade Rahma Yulis; Yelfira Sari
Al-Kimia Vol 8 No 2 (2020): DECEMBER
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v8i2.15543

Abstract

This study examined the content of banana peel. The research began with an extraction  process then continued with phytochemical tests.  Qualitatively result showed banana peel contain quite complex secondary metabolites including flavonoids, saponins, phenolics, tannins, steroids and triterpenoids for Muli banana peels and flavonoids, saponins, phenolics, tannins, and triterpenoids for Kepok banana peels. Qualitative tests were conducted to detect total phenolic and flavonoid content using Microplate Reader.  Flavonoids averaged 19.797 mg QE / g for  Muli banana peel and for Kepok banana peel 15, 529 mg QE / g. The measurement results of the total phenolic content  of Muli banana peel was 108.336 mg GAE / g and for Kepok banana 32, 496 mg GAE / g. Antioxidant activity for Muli banana peels has an IC50 value of 27, 56 µg / ml which means it belongs to a group with high antioxidant activity and Kepok banana 479.77 µg / ml which is classified as a low antioxidant activity but still within the range of potential values as antioxidant. From this research, it is known that both  of types banana peels have the potential as raw material for developing products with high antioxidant levels  Keywords: Banana peels, antioxidants, secondary metabolites
Uji Kadar Logam Merkuri Dan pH Pada Limbah Aktivitas Penambangan Emas Tanpa Izin Di Riau Putri Ade Rahma Yulis; Desti Desti
Jurnal Bioterdidik: Wahana Ekspresi Ilmiah Vol 6, No 6 (2018): Jurnal Bioterdidik
Publisher : Universitas Lampung

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Abstract

Previous studies about condition of rivers in Kuantan Singingi Regency showed high pollution rate that exceed the allowed quality standard. One of pollution source is from illegal gold mining (PETI). The result showed that pH value from PETI waste were about 8.85-9.4 while the value for quality standard is about 6-9. It can be concluded that pH of PETI waste have exceeded the allowed quality standard and must be removed or reduced before being disposed to the river. Result showed that mercury metal concentration from PETI waste were about 0.4052-0.4252 ppm while the value for quality standard is 0.002 ppm. It can be concluded that mercury metal concentration of PETI waste have exceeded the allowed quality standard and moreover included as harmful condition.  Keadaan sungai di Kabupaten Kuantan Singingi berdasarkan beberapa hasil penelitian sebelumnya menunjukan angka pencemaran yang cukup tinggi melebihi angka baku mutu yang diperbolehkan. Adapun sumber dari pencemaran salah satunya adalah adanya aktivitas Penambangan Emas Tanpa Izin (PETI) di perairan tersebut. Hasil penelitian menunjukkan nilai derajat keasaman (pH) limbah PETI berkisar dari 8,85-9.4 sementara angka baku mutu limbah untuk nilai pH diantara 6-9, sehingga dapat disimpulkan bahwa pH limbah PETI sudah melampaui angka baku mutu yang diizinkan dan harus dilakukan removal terhadap limbah tersebut agar mencapai kadar yang aman ketika sampai ke perairan. Dari pengujian yang dilakukan didapatkan kadar logam merkuri pada limbah PETI berkisar dari 0,4052- 0,4252 ppm (mg/L) sementara angka baku mutu limbah hanya mengizinkan logam merkuri sebesar 0,002 ppm (mg/L) artinya konsentrasi merkuri pada limbah PETI tersebut sangat pekat dan sangat berbahaya bila sampai ke perairan. Kata Kunci : limbah PETI, logam, merkuri
Analisis Kadar DO, BOD, dan COD Air Sungai Kuantan Terdampak Penambangan Emas Tanpa Izin Putri Ade Rahma Yulis; Desti Desti; Asyti Febliza
Jurnal Bioterdidik: Wahana Ekspresi Ilmiah Vol 6, No 3 (2018): Jurnal Bioterdidik
Publisher : Universitas Lampung

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Abstract

Kuantan Singingi Regency (Kuansing) is a developing region which affected by multidimentional problems. Those problems are appeared in mining sector that cause by the increasing of PETI. Therefore, this research, conducted to analysis levels of DO, BOD, and COD of Kuantan River especially in the Village of Bandar Alai Kari District, Kuantan Singingi Regency. This research  used survey method with purposive sampling based on the location of  PETI activity. The results obtained value of DO (Dissolved Oxygen) (6.61-6.79 ) mg/L, BOD (Biological Oxygen Demand) (0.22 - 1.18) mg/L and COD (Chemical Oxygen Demand)  (8-12) mg/L.  From the results, the river in Bandar Alai Kari village was included  of polluted category,  from low to middle contamination. For DO levels was still available in the permitted quality standard  while for BOD and COD levels had exceeded the permitted quality standard. Kabupaten Kuantan Singingi (Kuansing) merupakan kawasan berkembang yang ditandai dengan munculnya berbagai permasalahan yang multidimensi. Permasalahan tersebut dihadapi oleh sektor pertambangannya. Hal ini ditandai dengan semakin maraknya aktivitas PETI. Oleh karena itu pada penelitian kali ini dilakukan analisis kadar DO, BOD, dan COD air Sungai Kuantan. Metode penelitian ini menggunakan metode survei dengan penentuan titik sampling secara purposive berdasarkan lokasi maraknya aktivitas PETI. Dari hasil penelitian didapatkan data nilai DO (Dissolved Oxygen) berkisar dari 6,61-6,79 ppm (mg/L), nilai BOD berkisar dari 0,22 ppm – 1,18 ppm dan nilai COD (Chemical Oxygen Demand) berkisar dari 8 ppm - 12 ppm (mg/L) Dari hasil beberapa paramater ini perairan di Desa Bandar Alai Kari termasuk kedalam kategori tercemar, mulai dari tingkat pencemaran ringan hingga pencemaran sedang. Untuk kadar DO masih dalam ambang batas baku mutu yang diizinkan, sementara untuk kadar BOD dan COD sudah melampaui angka baku mutu yang diizinkan. Kata kunci: analisis kadar air, limbah PETI, oksigen terlarut
ANALISIS GERMANE COGNITIVE LOAD SISWA PADA MATERI SIFAT KOLIGATIF LARUTAN DIMASA PANDEMI COVID-19 Herman Herman; Putri Ade Rahma Yulis
Jurnal Pendidikan Kimia Universitas Riau Vol 7, No 1 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan (FKIP), Universitas Riau (UNRI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33578/jpk-unri.v7i1.7817

Abstract

Penelitian ini bertujuan untuk mendeskripsikan bagaimana germane cognitive load siswa pada materi sifat koligatif larutan dimasa pandemi covid-19. Penelitian ini dilakukan secara deskriptif dengan pendekatan kuantitatif. Teknik pengambilan sampel menggunakan purposive sampling sehingga didapatkan sampel dalam sebanyak 30 siswa kelas XII MIA 3. Hasil penelitian menunjukkan bahwa 2 siswa memiliki germane cognitive load yang sangat tinggi, 14 siswa memiliki germane cognitive load yang tinggi, 11 siswa memiliki germane cognitive load yang cukup tinggi, dan 3 siswa memiliki germane cognitive load yang baik, sehingga didapatkan  rata-rata nilai siswa pada tes dalam menaganalis germane cognitive load siswa pada materi sifat koligatif larutan sebesar 54,72. Nilai rata-rata tersebut masuk dalam kategori kurang. Hal ini berarti bahwa siswa kelas XII MIA 3 memiliki germane cognitive load yang tinggi pada materi sifat koligatif larutan. Semakin rendah nilai siswa maka semakin besar germane cognitive load siswa yang artinya siswa tersebut merasa kesulitan dalam mengerjakan soal sifat koligatif larutan tersebut.
Kepok Banana Peels as Biosorbent for Mercury Sorption from Artificial Wastewater Putri Ade Rahma Yulis; Yelfira Sari
JKPK (Jurnal Kimia dan Pendidikan Kimia) Vol 7, No 1 (2022): JKPK (Jurnal Kimia dan Pendidikan Kimia)
Publisher : Program Studi Pendidikan Kimia FKIP Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jkpk.v7i1.56353

Abstract

The present study used adsorbents from Kepok banana peel to remove Hg (II) from artificial wastewater. Kepok banana peels are the most abundant waste from several products bananas processed. One of the ways to reduce that waste is by using it as an adsorbent. This study utilizes the adsorbent from kepok banana peels to remove Hg (II) from artificial wastewater. This is because Hg(II) is a heavy metal that is harmful A previous study showed a high amount of Hg(II) in Kuantan River, one of the River in Riau Province. The effect of initial metal concentration, adsorbent mass, and contact time was investigated to evaluate the maximum removal percentage and adsorption capacity of Kepok banana peels. The adsorption parameters studied were initial Hg (II) concentration [6.84, 7.02,8.38, and 10.05 mg/L],  adsorbent mass [10,20,30 and 40 g], and contact time variations (3,5,7 and 9 hours) where the operating conditions were 250 ml of Hg metal solution was added to each adsorbent. FTIR spectra of adsorbent showed hydroxyl, carboxylic, and amine groups in Kepok banana peels. The adsorption process found that the metal concentration variation under 6.84 mg/L initial Hg (II) concentration conditions gave the highest removal percentage of 99.7 %  and the highest adsorption capacity of 0,0758 mg/g under the condition of 10.05 mg/L  initial Hg (II) concentration. Then at adsorbent mass variation, the highest removal percentage was 94.8 % with 40 grams adsorbent mass, and the highest adsorption capacity was 0.1587 mg/g when using 10 grams adsorbent. The contact time variations gave the highest removal percentage, 95.2 %, and the highest adsorption capacity, 0.0542 mg/g, during contact for 5 hours. This study showed that Kepok banana peels had good potential for removing Hg (II) ions and could be used as a good adsorbent for removing the Hg (II) from wastewater. . 
Uji Efektivitas Beberapa Pelarut Pada Proses Identifikasi Metabolit Sekunder Kulit Pisang (Musa Paradisiaca) Secara Kualitatif Putri Ade Rahma Yulis; Yelfira Sari; Desti Desti
Jurnal Kimia Fullerene Vol 5 No 2 (2020): Fullerene Journal of Chemistry
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37033/fjc.v5i2.196

Abstract

Kulit pisang mengandung komponen aktif yang dapat dijadikan bahan baku pengembangan produk berpotensi antioksidan, selain itu dapat mengatasi pencemaran limbah kulit pisang. Pada penelitian ini dilakukan uji efektivitas beberapa jenis pelarut polar dan non polar dalam mengidentifikasi metabolit sekunder pada simplisia kulit pisang .Dengan tujuan menjadi landasan bagi penelitian lainnya dalam proses ekstraksi kulit pisang, sehingga akan didapatkan kandungan senyawa aktif dalam jumlah maksimal jika pelarut yang digunakan dapat menarik komponen aktif dengan optimal. Penelitian ini menggunakan empat jenis pelarut yakni etanol, metanol, etanol dicampur aseton, dan n-heksan. Kemudian keefektifan nya dilihat dari kemampuannya dalam mengidentifikasi metabolit sekunder pada simplisia kulit pisang. Hasil penelitian ini menunjukan ketiga jenis pelarut yakni, metanol, etanol dan campuran etanol dan aseton dapat mengidentifikasi metabolit sekunder kulit pisang , namun pelarut n-heksan tidak dapat mengidentifikasi metabolit sekunder kulit pisang. Kemudian dari ketiga pelarut tersebut yang mempunyai efektivitas paling besar adalah metanol. Metanol dapat mengidentifikasi empat jenis metabolit sekunder yakni flavonoid, fenolik, tanin dan saponin dengan lebih cepat dan menunjukan perubahan warna yang lebih signifikan. Berdasarkan hasil ini dapat dikatakan bahwa simplisia kulit pisang berpotensi antioksidan karena positif mengandung beberapa metabolit sekunder dan untuk mendapatkan ekstrak yang maksimal dapat digunakan metanol sebagai pelarut untuk proses ekstraksi
ANALISIS KADAR LOGAM MERKURI (Hg) DAN (pH) AIR SUNGAI KUANTAN TERDAMPAK PENAMBANGAN EMAS TANPA IZIN (PETI) Putri Ade Rahma Yulis
Orbital: Jurnal Pendidikan Kimia Vol 2 No 1 (2018): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v2i1.2167

Abstract

Semakin maraknya aktivitas Penambangan Emas Tanpa Izin (PETI) di Kabupaten Kuantan Singingi mengakibatkan munculnya beragam permasalahan, terutama pencemaran air Sungai Kuantan yag menjadi lokasi aktivitas penambangan . Oleh karena itu pada penelitian kali ini dilakukan analisis kualitas air Sungai Kuantan khususnya di Desa Bandar Alai Kari Kecamatan Kuantan Tengah Kabupaten Kuantan Singingi yang meliputi derajat keasaman ( pH) dan kadar Hg atau logam merkuri yang kita ketahui sangat berbahaya bagi tubuh yang merupakan hasil limbah dari pengolahan emas secara amalgamasi. Metode yang digunakan dalam penelitian ini yaitu metode survei dengan penentuan titik sampling secara purposive berdasarkan lokasi maraknya aktivitas PETI. Pengambilan sampel dilakukan pada 3 titik mulai dari daerah hulu, tengah dan hilir. Dari hasil penelitian didapatkan nilai pH berkisar diatas pH 6 antara 6,46 - 6,50, nilai ini masih memenuhi angka baku mutu yang ditetapkan, kemudian untuk kadar logam berat merkuri 12,67 ppb - 13,60 ppb (µg/L) dan kadar merkuri ini sudah melampaui angka baku mutu yang diizinkan. Kata Kunci : Limbah PETI, analisis kadar air, logam berat
Sosialisasi dan Edukasi Pemanfaatan Limbah Kulit Pisang sebagai Masker Wajah Alami Kaya Antioksidan di Kecamatan Marpoyan Damai, Pekanbaru Putri Ade Rahma Yulis; Yelfira Sari; Desti Desti
Jurnal Pengabdian Pada Masyarakat Vol 4 No 4 (2019)
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (543.489 KB) | DOI: 10.30653/002.201944.195

Abstract

SOCIALIZATION AND EDUCATION ON THE UTILIZATION OF BANANA SKIN WASTE AS ANTIOXIDANT-RICH NATURAL FACE MASKS IN MARPOYAN DAMAI DISTRICT, PEKANBARU. The fact at this time is the increasing level of consumer consumption of beauty products. It does not only occur among adult women but also teenager. But the consumptive level not accompanied by purchasing power of quality products. Based on interviews with residents of the village of East Sidomulyo, most of the citizens are among adult women and teenagers that they mostly use ready-made masks that are sold in the market because it is more practical and faster in the process of use without considering the possibility of its contents which are harmful to skin health. The problem of the partners is to encourage service in the form of socialization and education to the local community to be able to take advantage of the banana peel waste that is widely available in the environment because it is now became popular a variety of processed banana products, but in terms of waste has not been utilized at all. This education is based on several studies that banana peels contain high antioxidants so it is very good if it can be processed as a mask for a facial skin care. In addition, the utilization of waste will be able to reduce pollution that might occur in the environment due to banana peels that are not treated. The existence of this activity was very welcomed by residents, this can be seen from the enthusiasm of residents asking questions regarding the problems presented and the impression of some residents who want this activity to be carried out continuously, so that more people feel the benefits and they are very enthusiastic to directly apply the knowledge.
Co-Authors Affriyani Gunita aisyah meiysa putri Anasthasia oca muham Arief Yandra Putra Asnawi Asnawi Asyti Febliza Asyti Febliza Asyti Febliza Desti Desti Desti Desti Desti Desti Desti Desti Dwi Novelia Dwi Novelia Evi Pamayanti Febrina Dafit Febrina Dafit, Febrina Fitriani Fitriani Fitriani Giavani Giavani Hana Monica Hana Monica Hermalia, Rosa Herman Herman Herman Herman Indica Septriyanti Lara Julia Trisantika Lara Julia Trisantika Latif, Latif Lingga, Leny Julia Maylani, Kasih mellisa Nurhuda Nurhuda Nurhuda Nurhuda Nurhuda Nurhuda Nurkhairo Hidayati Nurul Fauziah Oktariani, Oktariani Prilla Amnestya Putri Nabila Ramadani, Alia Safitri, Linda Sari Herlina Sari Widianti SILVIA ANGGRAINI Siti Cholijah siti maisarmah Sukarni Sukarni Suryanti Suryanti T Rahmat Ramadhani Wulan Dari, Asih yelfira sari Yelfira Sari Yundari, Yundari