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All Journal Cakrawala Pendidikan JPMS (Jurnal Pendidikan Matematika dan Sains) Jurnal Penelitian Saintek INOTEKS : Jurnal Inovasi Ilmu Pengetahuan, Teknologi, dan Seni Jurnal Sains Dasar Alchemy Jurnal Penelitian Kimia Indonesian Journal of Chemistry SPIN: Jurnal Kimia & Pendidikan Kimia Indonesian Journal of Chemistry and Environment Jurnal Elemen Kimia Jurnal Riset Pembelajaran Kimia
Susila Kristianingrum
Universitas Negeri Yogyakarta
Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Energy Environmental Science Materials Science & Nanotechnology Mathematics

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The Application of Carbon-Chitosan Composite Imprinted Cu in the Wastewater Treatment Annisa Fillaeli; Susila Kristianingrum; S. Sulistyani; Bella Fatmala; Ilham Fauzi
Indonesian Journal of Chemistry and Environment Vol 4, No 1 (2021): JUNE 2021
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (540.204 KB) | DOI: 10.21831/ijoce.v4i1.48357

Abstract

This research aimed at determining the effect of chitosan in synthesizing imprinted Cu carbon-chitosan composite properties, the effect of imprinting Cu in carbon-chitosan composites to the adsorption efficiency and adsorption capacity of Cu in electroplating waste via batch methods, and the regeneration pattern of the composite. Composites were characterized using FTIR and SEM-EDX. In FTIR spectra, the addition of Cu caused the reduction of -OH and -NH functional groups intensity as the active site of Cu chemical bonding in 3448.72 cm-1. SEM-EDX analysis showed that the carbon-ionic imprinted chitosan composites after desorption contains the element of C = 60.17%, O = 38.8%, Cu = 0.83% and Na = 0.85%. The optimizations of Cu adsorption were studied from the concentration pattern of its variable, measured with Atomic Absorption Spectroscopy (AAS). The results showed that an optimum concentration for adsorption of Cu was 75 mg / L and an optimum contact time for adsorption of Cu was 24 hours with adsorption efficiency of 98.54% and adsorption capacity of 2.62 mg/g respectively. The adsorption yield of electroplating waste showed the adsorption efficiency of 31.62% and adsorption capacity of 367,79 mg/g respectively. Regeneration test was investigated from adsorption-recovery-reactivation (A-Rcov-RAct) steps. This regeneration test was carried out in three cycles. Recovery test was carried out using EDTA 0.05 M and 0.1 M HCl solutions. The efficiency of reactivation was identified from adsorption ability after activated with 0.1 M NaOH from two routes of recoveries. The results showed that recover agents do not influence the adsorption percentage, while to the recovery percentage progress, HCl 0.1M EDTA 0.05M. All routes of reactivation showed the similar results in average 99%
The Effectiveness of Active Carbon Adsorbent of Cassava Peel (Manihot Esculenta Cranzts) in Reduce Level of Chromium Metal in Tannery Liquid Waste Susila Kristianingrum; S. Sulistyani; Annida Rifka Larastuti
Indonesian Journal of Chemistry and Environment Vol 5, No 2 (2022): DECEMBER 2022
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v5i2.18813

Abstract

This study aims to determine the characteristics, the effect of mass variation, the percentage of adsorption effectiveness of cassava peel activated carbon activated with 0.5 M HCl and activated with 0.5 M H2SO4 on the adsorption of Cr metal in leather tanning wastewater and its morphology. The subject of this research is the adsorbent of cassava peel before it is asctivated, activated by chloric acid 0,5 M, and activated by sulfuric acid 0,5 M. meanwhile the object of this research is the effectiviness of cassava peel adsorbeny in reduscing chromium metal content in tannery liquid waste. Cassava pell was carbonized at 500 oC for 1 hour. The cassava peel carbon was characterized according to SNI 06-3730-1995. The adsorption process is performed by batch method. Analysis was performed by Atomic Adsorption Spectrophotometer, PSA, and SEM-EDX. The result of the characterization of cassava peel carbon showed that the moisture content, ash content, adsorption capacity of I2 met SNI, meanwhile the carbon contenr and volatile matter conten did not met SNI. The adsorption efficiency of kromium metal is 95.97% for carbon before activated, 95.33% for carbon activated by chloroc acid, and 96.65% for carbon activated by sulfuric acid. The result of PSA size of cassava peel adsorbent before activated by chloric acid and sulfuric acid were 34.484 µm, 42.504 µm, and 37.059 µm respectively. Cassave peel adsorbent has a Langmuir adsorption type. The SEM-EDX result showed that the adsorbent from cassava peel had a dissimiliar pore shape
Treatment of Industrial Wastewater and Household Waste Using Electrocoagulation Method with Aluminum Electrode S. Suyanta; S. Sunarto; Susila Kristianingrum; Regina Tutik Padmaningrum; Derifasay Salsabilla; K. Karlinda
Indonesian Journal of Chemistry and Environment Vol 5, No 2 (2022): DECEMBER 2022
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v5i2.58394

Abstract

The treatment of industrial wastewater and household waste using the electrocoagulation method with aluminum electrodes aims to determine the optimal time and voltage to reduce iron content, manganese content, and TDS from industrial wastewater and household waste. The method used in this study was the electrocoagulation method with aluminum electrodes. The object of this research was the reduction of iron content, manganese content and TDS of industrial wastewater and household waste. The optimization test of electric voltage and electrocoagulation time was carried out at variations of electric voltage of 5, 10, and 15 volts and time variations of 1, 3, 6, 9, and 12 hours. Then the samples were analyzed using Atomic Absorption Spectroscopy (AAS), pH meter and TDS meter. The results showed that the optimal time and voltage to reduce iron content, manganese content, and TDS of industrial wastewater and household waste was 12 hours and 15 volts. After the electrocoagulation process, the iron content was reduced by 95.37%, the manganese content was reduced by 100%, the TDS value was reduced by 43.66%, and the pH value increased by 26.73%.
MODIFIKASI ABU KELUD 2014 SEBAGAI BAHAN ADSORBEN ION LOGAM TEMBAGA(II) DAN NIKEL(II) DENGAN ASAM FORMAT Karyanto Karyanto; Susila Kristianingrum
Jurnal Elemen Kimia Vol 5, No 5 (2016): Volume 5, No 5 Edisi 5 Tahun 2016
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini bertujuan untuk mengetahui konsentrasi maksimum asam format yang menghasilkan adsorben, mengetahui keasaman, kadar air, mengetahui daya dan efisiensi adsorpsi optimum adsorben terhadap ion logam Cu(II) dan Ni(II) serta karakter gugus fungsi dan karakter struktur kristal adsorben hasil sintesis.Sintesis adsorben dilakukan dengan melarutkan 6 gram abu vulkanik dalam 200 mL natrium hidroksida 3M disertai pengadukan dan pemanasan 100 oC selama 1 jam. Filtrat natrium silikat ditambah asam format hingga netral. Variasi asam format yang digunakan adalah 1, 3 dan 5M. Campuran didiamkan selama 24 jam kemudian disaring dan dicuci dengan akuademineralisata hingga netral. Lalu dikeringkan dan digerus. Kemudian adsorben digunakan untuk adsorpsi ion logam Cu(II) dan Ni(II). Adsorben dengan efisiensi adsorpsi optimum dikarakterisasi dengan FTIR dan XRD dan dibandingkan dengan kiesel gel 60G Merck sebagai pembanding.Hasil penelitian menunjukkan bahwa konsentrasi asam format yang maksimum untuk sintesis adalah 5 M dengan efisiensi produksi 9,7%. Nilai keasaman Kiesel gel 60G, AK-HCOOH 1M (adsorben Kelud dengan konsentrasi asam format 1M), AK-HCOOH 3M dan AK-HCOOH 5M berturut-turut 3,8540; 3,9729; 3,6557 dan 3,6557 mmol/g dan kadar air 5; 15; 21 dan 18%. Adsorben Kelud dengan konsentrasi asam format 3M mempunyai daya dan efisiensi adsorpsi optimum. Nilai daya adsorpsi terhadap ion logam Cu(II) dan Ni(II) berturut-turut 1,09390 dan 0,84352 mg/g dengan efisiensi adsorpsi berturut-turut 98,0608 dan 95,7879%. Adsorben mempunyai karakter gugus fungsi dan karakter kristal yang hampir sama dengan silika gel Kiesel 60G E-Merck.
PENGEMBANGAN STOP MOTION CHEMISTRY SEBAGAI MEDIA PEMBELAJARAN AUDIO VISUAL MATERI KOLOID UNTUK PESETA DIDIK SMA/MA Nawang Wulandari; Susila Kristianingrum
Jurnal Riset Pembelajaran Kimia Vol 5, No 4 (2016): Volume 5, No 4 Edisi 4 Tahun 2016
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jrpk.v5i4.3847

Abstract

Tujuan dari penelitian ini adalah untuk membuat dan mengembangkan Stop Motion Chemistry sebagai media pembelajaran audio visual dengan topik koloid dan menentukan kualitasnya. Kualitas Stop Motion Chemistry ditentukan berdasarkan penilaian lima guru kimia SMA/MA sebagai reviewer.Penelitian ini menggunakan model pengembangan prosedural yang meliputi empat tahapan: perencanaan, pengorganisasian, pelaksanaan, dan penilaian produk. Stop Motion Chemistry materi koloid ditinjau dan mendapatkan masukan dari dosen pembimbing, ahli materi, ahli media, dan peer reviewer. Stop Motion Chemistry dinilai oleh lima reviewer yaitu guru kimia SMA/MA. Penilaian dilakukan menggunakan instrumen penilaian berupa angket yang meliputi 5 komponen dengan 25 kriteria.Hasil penelitian berupa produk Stop Motion Chemistry dengan topik koloid yang dikemas dalam CD (Compact Disc) dan data kualitas produk Stop Motion Chemistry. Stop Motion Chemistry terdiri dari empat bagian yaitu: pembukaan, penggolongan materi, isi, dan penutup. Berdasarkan penilaian lima reviewer, Stop Motion Chemistry mempunyai kualitas sangat baik (SB) menurut kriteria penilaian ideal ditinjau dari komponen kelayakan materi dan kelayakan tampilan media dengan skor rata-rata berturut-turut yaitu 30,2 dan 40,2, serta mempunyai kriteria baik (B) ditinjau dari komponen kelayakan bahasa, kelayakan audio media, dan kemanfaatan dengan skor rata-rata berturut-turut yaitu 16,6; 7,6; dan 12,6.
PENGEMBANGAN CHEMISTRY POP UP MATERI BAHAN NON PANGAN SEBAGAI SUMBER BELAJAR MANDIRI ANAK TUNARUNGU Diah Utami; Susila Kristianingrum
Jurnal Riset Pembelajaran Kimia Vol 7, No 5 (2018): Jurnal Pembelajaran Kimia
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jrpk.v7i5.13383

Abstract

AbstrakTujuan penelitian ini yaitu mengembangkan media pembelajaran kimia berbasis buku Pop Up materi bahannon pangan sebagai sumber belajar mandiri untuk anak tunarungu di SLB dan mengetahui kualitas mediapembelajaran bagi anak tunarungu yang disesuaikan dengan kebutuhan peserta didik. Penelitian pengembangan inimenggunakan model ADDIE yang terdiri dari lima tahap yaitu tahap analisis, tahap desain, tahap pengembangan,tahap implementasi, dan tahap evaluasi. Hasil penelitian pengembangan ini berupa Chemistry Pop Up Book materibahan non pangan sebagai media pembelajaran mandiri untuk anak tunarungu. Berdasarkan penilaian reviewer,media pembelajaran Chemistry Pop Up Book termasuk dalam kategori sangat baik (SB) pada setiap aspek. Aspekmateri memperoleh skor rata-rata 27,4 dan persentase keidealan sebesar 91,33%, pada aspek penyajian memperolehskor rata-rata 74,4 dengan persentase keidealan sebesar 93%, serta aspek bahasa dan gambar memperoleh skor ratarata54,4 dengan persentase keidealan sebesar 90,67%.Kata kunci: Chemistry Pop Up Book, bahan non pangan, ADDIE, media pembelajaran mandiri, anak tunarungu
PENGEMBANGAN MEDIA PEMBELAJARAN SPECIAL’S POP-UP BOOK KIMIA PANGAN SEBAGAI SUMBER BELAJAR MANDIRI ANAK TUNARUNGU Andriani Wulansari; Susila Kristianingrum
Jurnal Riset Pembelajaran Kimia Vol 7, No 4 (2018): Jurnal Pembelajaran Kimia
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jrpk.v7i4.13373

Abstract

AbstrakPenelitian ini bertujuan untuk mengembangkan media pembelajaran Special’s Pop up book kimia pangansebagai sumber belajar mandiri untuk anak tunarungu di SLB dan mengetahui kualitas dari mediapembelajaran kimia Special’s Pop up book yang telah disusun. Penelitian Research and Development(RD) mengadaptasi desain pengembangan ADDIE terdiri dari lima tahapan: analyze, design,development, implementation, dan evaluation.. Instrumen berupa angket penilaian media popup untuklima guru, dan angket respon peserta didik terhadap media pop-up. Teknik analisis yang digunakan antaralain konversi skor menjadi nilai skala lima, menghitung rerata skor, mengubah skor rata-rata, menentukannilai produk dan menentukan kualitas Special’s Pop up book. Hasil penelitian ini media pembelajarandikembangkan dengan model ADDIE yaitu analisis, desain, pengembangan, implementasi, dan evaluasi.,dan Kualias media pembelajaran yang telah dikembangkan pada aspek materi memperoleh skor rata-rata27,2 dengan persentase keidealan sebesar 90,67%, pada aspek penyajian memperoleh skor rata-rata 73,8dengan persentase keidealan sebesar 92,25% dan aspek bahasa dan gambar memperoleh skor rata-ratasebesar 53,2 dengan persentase keidealan 88,67%. Seluruh aspek termasuk dalam kategori Sangat Baik(SB).Kata kunci: Special’s Pop Up Book, media pembelajaran, ADDIE, kualitas media pembelajaran.
PENGEMBANGAN STOP MOTION CHEMISTRY SEBAGAI MEDIA PEMBELAJARAN AUDIO VISUAL MATERI LAJU REAKSI UNTUK PESERTA DIDIK SMA/MA Isna Lailatusholihah; Susila Kristianingrum
Jurnal Riset Pembelajaran Kimia Vol 5, No 3 (2016): Volume 5, No 3, Edisi 3 tahun 2016
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jrpk.v5i3.3788

Abstract

Tujuan penelitian ini adalah untuk mengembangkan Stop Motion Chemistry sebagai media pembelajaran audio visual materi laju reaksi dan menentukan kualitasnya. Kualitas Stop Motion Chemistry ditentukan berdasarkan penilaian lima guru kimia SMA/MA sebagai reviewer.Penelitian ini menggunakan model pengembangan prosedural yang meliputi empat tahapan: perencanaan, pengorganisasian, pelaksanaan, dan penilaian produk. Stop Motion Chemistry materi laju reaksi ditinjau dan mendapatkan masukan dari dosen pembimbing, peer reviewer, ahli materi, dan ahli media. Stop Motion Chemistry dinilai oleh lima reviewer yaitu guru kimia SMA/MA. Penilaian dilakukan menggunakan instrumen penilaian berupa angket yang meliputi 5 komponen dengan 25 kriteria.Hasil penelitian berupa produk Stop Motion Chemistry dengan materi pokok laju reaksi yang dikemas dalam CD (Compact Disc) dan data kualitas produk Stop Motion Chemistry. Stop Motion Chemistry terdiri atas empat bagian yaitu: pembukaan, penggolongan materi, isi, dan penutup. Berdasarkan penilaian lima reviewer, Stop Motion Chemistry mempunyai kualitas sangat baik (SB) menurut kriteria penilaian ideal ditinjau dari komponen kelayakan materi dan kelayakan tampilan media dengan skor rata-rata berturut-turut yaitu 29,4 dari skor maksimal 35 dan 40,4 dari skor maksimal 45, serta mempunyai kriteria baik (B) ditinjau dari komponen kelayakan bahasa, kelayakan audio media, dan kemanfaatan dengan skor rata-rata berturut-turut yaitu 16,2 dari skor maksimal 20; 8,4 dari skor maksimal 10; dan 12 dari skor maksimal 15.
INTEGRATION OF SOCIO-SCIENTIFIC ISSUES IN CHEMISTRY LEARNING OUTCOME TESTS TO MEASURE HIGH SCHOOL STUDENTS SCIENTIFIC EXPLANATION SKILLS Hanan, Annida Fadlila; Dra. Susila Kristianingrum, M.Si
SPIN JURNAL KIMIA & PENDIDIKAN KIMIA Vol. 6 No. 2 (2024): July - December 2024
Publisher : UIN Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/spin.v6i2.10179

Abstract

Socio-scientific issues (SSI) are controversial issues related to socio-science. SSI can be integrated into chemistry learning outcome tests to measure students’ scientific explanation skills. This research aimed to develop a socio-scientific issues based test to measure the scientific explanation skills of high school students in acid-base material. The development model used is an exploratory mixed method. Qualitative data were collected through needs analysis, literature studies for references for initial test development, expert feasibility test, and usability feasibility test (qualitative) to obtain input from experts and reviewers. The results of the quantitative test showed that the test developed has an ideal percentage of 87% (Very Good) according to the reviewer and 71% (Good) according to the students. The number of valid items based on the item fit test was 15. A total of 10 questions have the discrimination category very good, 3 questions were good, 1 question was fair, and 1 question was not able to discriminate. The difficulty level test revealed that 26,67% of the questions were very difficult, 26,67% of the questions were difficult, 33,33% of the questions were easy, and 13,33% of the questions were very easy. The Cronbach Alpha reliability value of the test was 0.77, categorized as good.
Effectiveness of corncob-based activated carbon bioadsorbent for reducing iron and bromate levels in mineral water using a continuous method Alfiyatun, Riza; Kristianingrum, Susila
Jurnal Penelitian Saintek Vol 30, No 1 (2025)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jps.v30i1.78144

Abstract

This study aims to determine the characteristics of activated carbon made from corn cobs and its effectiveness as a bioadsorbent in reducing iron and bromate levels in bottled drinking water (AMDK). The carbon was activated using 5% HCl and applied in a continuous column system, where the water flowed by gravity. Variations in adsorbent mass and flow rate were used to observe their influence on adsorption efficiency. Characterization results showed that the corn cob activated carbon met the SNI 06-3730-1995 standard, with a moisture content of 3.62%, ash 0.94%, volatile matter 5.9%, and pure activated carbon 89.8%. The optimum adsorbent mass was 1.3 grams, resulting in a decrease in iron levels from 5 mg/L to 0.0155 mg/L, and bromate from 0.08373 mg/L to 0.0015 mg/L"”both within the limits set by SNI 3553-2015. The removal efficiency (Ep) reached 99.69% for iron ions and 97.61% for bromate at a flow rate of 0.2 mL/min and a contact time of 120 minutes. The column method proved effective for filtering bottled drinking water.
Co-Authors Alfiyatun, Riza Andriani Wulansari Annida Rifka Larastuti Annisa Fillaeli Arief Noviantara Ariyani, Novita Eka Bella Fatmala Delapril Pratiwi, Ajeng Derifasay Salsabilla Devi Heryanti Diah Utami Dwi Siswani, Endang Endang Dwi Siswani Endang Dwi Siswani Endang Dwi Siswani Endang Dwi Siswani Endang Dwi Siswani Endang Dwi Siswani Fatikhah Nur Hidayati P.S. Hanan, Annida Fadlila Handayani, Adelia Fitri Hanifah, Rizka Aulia Hari Sutrisno Ilham Fauzi Isna Lailatusholihah Isnaini Saputri K. Karlinda Karyanto Karyanto Nawang Wulandari Nur Hasna Nafiisah Nurfina Aznam Regina Tutik Padmaningrum Retno Arianingrum Rosa Yuniastuti Rustiah, Wa Ode Sanita Tyas Safitri Siti Marwati Siti Sulastri Siti Sulastri Siti Sulastri SRI ATUN Sri Handayani Suharto . Suharto Suharto Sulistyani Sulistyani Sulistyani Sulistyani Sulistyani Sulistyani Sunarto ' Sunarto Sunarto Sunarto Sunarto Sunarto, Sunarto, Suyanta Suyanta Tohari Tohari