Article Per Year (5 Year)
p-Index From 2021 - 2026
4.57
P-Index
This Author published in this journals
All Journal Jurnal Penelitian Saintek Jurnal Ilmiah Farmasi JURNAL KIMIA SAINS DAN APLIKASI POSITRON Jurnal Kimia Khatulistiwa Jurnal Sains dan Teknologi Kimia The Journal of Pure and Applied Chemistry Research Jurnal Riset Kimia Jurnal Kelautan Tropis Jurnal Al-Qardh Jurnal Kimia Mulawarman Jurnal Fitofarmaka Indonesia Al-Kimia ALCHEMY Jurnal Penelitian Kimia Indonesian Journal of Chemistry Indonesian Journal of Pure and Applied Chemistry Chemistry Indonesian Journal of Chemical Research CHEESA: Chemical Engineering Research Articles Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat Jurnal Kewarganegaraan Jurnal Abdimas ADPI Sains dan Teknologi Jurnal Teknologi Lingkungan Lahan Basah Jurnal Akademika Kimia Arus Jurnal Psikologi dan Pendidikan Molekul: Jurnal Ilmiah Kimia Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat
Endah Sayekti
Jurusan Kimia FMIPA Universitas Tanjungpura
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

Published : 42 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 42 Documents
Search

 1   2   3   4   5 
Characteristics of Chlorella sp Biomass Immobilized on Chitosan (Chlo-Kit) for Adsorption of Chromium(III) Solution Titin Anita Zaharah; Anis Shofiyani; Endah Sayekti
ALCHEMY Jurnal Penelitian Kimia Vol 11, No 1 (2015): March
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.11.1.102.15-28

Abstract

Properties of biosorbent prepared from biomass of Chlorella sp immobilized on chitosan (Chlo-Kit) have been studied for adsorption of Chromium(III). Chlo-Kit adsorbent prepared by following steps: dissolving chitosan to get hydrogel form, immobilization of biomasson chitosan hydrogel, beads formation and crosslinkingthe adsorbent beads using epichlorohydrin reagent.Characterization using FT-IR spectrophotometry  and SEM showed that mechanism of biomass immobilization on chitosan involves electrostatic interactions between the functional groups of such both materials. Biomass immobilized on chitosan (Chlo-Kit) showed the higher stability in acid medium than un-immobilized biomass. Adsorption of Cr(III) metal ion on Chlo-Kit occured at optimum pH of 4-5 and followed well the Langmuir adsorption isotherm model. The adsorption capacity of Cr(III) on Chlo-Kit was 68.965 mg/g, about 91% higher than that on Chlorella biomass
Substitution Reaction of Hydroxy of Citronellol with Chloride Using A Mixture of Ammonium Chloride and Sulphuric Acid Endah Sayekti; Imelda H Silalahi; Titin Anita Zaharah
ALCHEMY Jurnal Penelitian Kimia Vol 11, No 2 (2015): September
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.11.2.720.135-146

Abstract

Substitution reaction of hydroxy of citronellol with chloride using a mixture of ammonium chloride (NH4Cl) and sulphuric acid (H2SO4) has been conducted. The citronellol was obtained from the reduction of citronellal using sodium borohydride (NaBH4) at room temperature for 30 minutes. Substitution of hydroxy of citronellol with chloride ion was carried out at 80 oC and molarity ratio of citronellol and NH4Cl 1:1, 1:2; 1:3; and 1:4 respectively. Identification of the product by gas chromatography-mass spectrometry (GC-MS) showed that the substitution reaction produced 2-isopropyl-5-methyl-1-chlorocyclohexane compound with rendemen 64,49 % in mol ratio of 1:4. The infra red (IR) analysis showed that there was a vibration at wave number 763 cm-1 which is a typical C-Cl vibrations.
Co-Authors Ade Mariadi Aderiya Munika Adhitiyawarman, Adhitiyawarman Agus Wibowo Agustiawan, Deri Ajuk Sapar Alimunddin, Andi Hairil Andi Hairil Alimuddin Andi Hairil Alimuddin Anggelita Anggelita Anim Rahmayati Anis Shofiyani Anis Shofiyani Anjarsari, Nita Ari Widiyantoro Aritonang, Anthoni Batahan Asniati, Asniati Azhar, Annisa Sylvania Dewi Dwi Purwati Ditya Marissa Diva Feraldy Dwi Siswanta Elvi Rusmiyanto P.W. Elvi Rusmiyanto Pancaning Wardoyo, Suci Lestari, Mukarlina, Emy Awalliah Eviva, Nur Fabiani, Verry A. Fathurrahman, Rizal Fitriani Fitriani Gusrizal Gusrizal Hafidz Kamarul Hadj Hasanuddin Hasanuddin Hidayati, Isnaini Nur Imelda Hotmarisi Silalahi Irma Nirmala Jumina Jumina Lestari, Titiek Lia Destiarti Masyita Masyita Muhardi Mustofa Mustofa Narsito Narsito Nelly Wahyuni Nurfitri Imroah Nurlina, Nurlina Pertiwi, Imanda Firmantyas Putri Prayitno, Dwi Imam Puji Ardiningsih Radianti, Sri Rahayu, Warsi Kurnia Ramadhan, Aditya Nur Ratnasari, Popon Reny Puspita Sari Risa Nofiani Risa Nofiani Rosidah, Sofiatun Rudiyansyah Rudiyansyah Rudiyansyah Rudiyansyah Rudiyansyah Salatiana Salatiana Shofiyani, Anis Sri Juari Santosa Sri Noegrohati Sukal Minsas Syah, Nur Rikswan Tariz Zharfan ME Thamrin Usman Thamrin Usman Titik Lestari Titin Anita Zahara Titin Anita Zahara Titin Anita Zahara, Titin Anita Titin Anita Zaharah Tria Susanti Uci Pradina Warsi Kurnia Rahayu Warsidah Warsidah Wibowo, M. Agus Wibowo, Muhamad Agus Widiyananta, Surya Winda Rahmalia Yamin, Bohari Mohd. Yoga Pratama Yudhi Zaharah, Titin Anita