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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) JURNAL KIMIA SAINS DAN APLIKASI Jurnal Ilmu Dasar Jurnal Matematika & Sains Indonesian Journal of Chemistry Warta AKAB Jurnal Manusia dan Lingkungan Molekul: Jurnal Ilmiah Kimia International Journal of Applied Research and Sustainable Sciences (IJARSS)

Indra Noviandri

Department Of Chemistry, Institut Teknologi Bandung, Bandung

Author-ID : 286783

Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Education Engineering Environmental Science Materials Science & Nanotechnology Mathematics Social Sciences

Published : 11 Documents Claim Missing Document

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Lanthanum (III) Selective Electrode Based on 1,10-Diaza-4,7, 13,16-Tetraoxacyclooctadecane-N,Nâ-Diacetic Acid (DACDA) as an Ionophore Susanto Imam Rahayu; Buchari Buchari; Indra Noviandri; Suyanta Suyanta
Jurnal Matematika & Sains Vol 11, No 1 (2006)
Publisher : Institut Teknologi Bandung

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

A lanthanum(III) ion selective electrode based on ionophore 1,10-diaza-4,7,13,16-tetraoxacyclooctadecane-N,N-diacetic acid was studied. The electrode was prepared with an inner solution system in a membrane composition that contained an active ionophore 1,10-diaza-4,7-13,16-tetraoxacycloocta decana-N,N-diacetic acid (DACDA), an anionic side potassium tetrakis (4-chlorophenyl) borate (KTCPB), a plasticizer o-nitro phenyl octyl ether (NPOE) and a polyvinyl chloride (PVC) matrix support. A good response was obtained with a slope of 19.53 Â± 1.62 mV/decade and the electrode gave responses with a detection limit of 3.92x10-6 M. The measurement range was wide (10-5-10-1 M) and the responses time was about 27 seconds. The electrode could measure lanthanum ion with a few interfering alkali, earth alkali and transition elements.

Optimasi Pembuatan Elektroda Pasta Karbon Termodifikasi Poli(Metil Jingga) untuk Penentuan Bisphenol A SecaraVoltammetri Puspita, Fitria; Noviandri, Indra
WARTA AKAB Vol 45, No 1 (2021): Warta AKAB
Publisher : Politeknik AKA Bogor

Bisphenol A (BPA) merupakan komponen dasar dalam pembuatan plastik polikarbonat yang sering dimanfaatkan sebagai wadah penyimpanan makanan dan minuman, pipa, mainan anak, dan peralatan medis. Penelitian menunjukkan bahwa molekul-molekul BPA dapat terlepas dari plastik pada kondisi penyimpanan yang tidak memadai sehingga dapat tertelan oleh manusia. Sementara itu, keberadaan BPA berlebih dalam tubuh manusia berbahaya bagi kesehatan. Oleh karena itu, penentuan BPA dalam produk plastik polikarbonat penting untuk dilakukan. Pada penelitian ini telah dikembangkan metode analisis voltammetri menggunakan elektroda pasta karbon (EPK) yang dimodifikasi dengan poli(metil jingga)untuk penentuan BPA. Modifikasi EPK dilakukan melalui proses elektropolimerisasi menggunakan teknik voltammetri siklik CV) pada larutan yang mengandung metil jingga (MJ)dalam larutan buffer fosfat 0,1 M pH 7 sebagai elektrolit pendukung. Selanjutnya, dilakukan studi untuk mengetahui kondisi optimum modifikasi elektroda meliputi konsentrasi larutan MO untuk elektropolimerisasi, jumlah siklus elektropolimerisasi, dan pH larutan analit saat pengukuran.Berdasarkan penelitian yang telah dilakukan, disimpulkan bahwa elektroda pasta karbon termodifikasi poli(metil jingga) dengan konsentrasi 0,5 mM sebanyak 15 siklus menunjukkan kinerja paling baik untuk mengukur BPA pH 3 dalam hal sensitivitas.Kata kunci:BPA; elektroda pasta karbon; poli(metil jingga); voltammetri

Preparation and Characterization of Lanthanum (III) Selective Electrode Based on 1,10-Diaza-4,7,13,16-Tetraoxacyclooctadecane-N,N'-Diacetic Acid as an Ionophore Suyanta Suyanta; Susanto I.R; Buchari Buchari; Indra Noviandri
Jurnal Pendidikan Matematika dan Sains No 1 (2006): Jurnal Pendidikan Matematika dan Sains Tahun XI
Publisher : Faculty of Mathematics and Natural Sciences, Universitas Negeri Yogyakarta

The preparation and characterization of lanthanum (III) ion selective electrode based on the 1,10-diaza-4,7,13,16-tetraoxacyclooctadecane-N,N'-diacetic acid as ionophore was studied. The electrode was prepared with an inner solution system in a membrane composition that contained active DACDA ionophore, the anionic side of KTCPB, the plasticizer of NPOE and a PVC matrix support. The good response was obtained with a slope of 19.53 +- 1.62 mV/decade and a good correlation between potential and lanthanum (III) concentration. Electrode could response with a detection limit of 3.92x10^-6 M and range measurement between 10^-5 M to 10^-1M. Electrode is steady at pH 4-9 and the best condition of inner solution concentration at 10^-3 M. Response time was 27.1 seconds and their life time was 50 day.Kata kunci: lanthanum ion-selective-electrode, PVC membrane, 1,10-diaza-4,7,13,16-tetraoxacyclooctadecane-N,N'-diacetic acid

The Use of Nata de Coco Membrane as Biosensor Material Tri Mulyono; Asnawati Asnawati; Indra Noviandri; Buchari Buchari
Jurnal ILMU DASAR Vol 8 No 2 (2007)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (970.254 KB)

Nata de coco has been characterized as filter toward glucose solutions. Standard nata de coco membrane can not be used as membrane because of variations of thickness. It has unequal weight if it was made thinner. Based on its character, nata de coco had been made in various incubation times. Three days incubation time membrane have passed up 76.84 % glucose, 61.15 Lm -2hr -1 flux/permeability. In Low concentration, it’s produced permeate 87% and decrease in increasing concentration. Structures of membrane morphology showed that existence of bovine serum albumin (BSA) in glucose solution possibility didn't influence determination of glucose in blood.

ELECTROCHEMICAL SYNTHEZIS AND CHARACTERIZATION OF POLYPYRROLE FOR DODECYLSULFATE SENSOR MEMBRANE Abdul Haris Watoni; Suryo Gandasasmita; Indra Noviandri; Buchari Buchari
Indonesian Journal of Chemistry Vol 7, No 3 (2007)
Publisher : Universitas Gadjah Mada

A conducting polymer, polypyrrole, has been electrochemically synthesized from pyrrole monomer using cyclic voltammetry technique in aqueous solution in the presence of HDS dopant and KNO3 supporting electrolyte. The polymer was deposited on the surface of an Au-wire and the modified electrode obtained was then used as dodecylsulfate (DS-) ion sensor electrode. The best performance PPy-DS modified-Au electrode conditioned in the air system without HDS or SDS solution gave linear potential response for the concentration range of 1.0 x 10-5 - 1.0 x 10-3 M, sensitivity of 54.5 mV/decade, detection limit of 1.0 x 10-5 M, and response time of 23 - 30 second. The electrode showed good selectivity towards other anions, therefore can be used to determine SDS concentration in real samples system without any change of the samples matrix.

STUDY OF LYSINE AND ALANINE DELIVERANCE THROUGH POLYPYRROLE MEMBRANE Adhitasari Suratman; Buchari Buchari; Indra Noviandri; Suryo Gandasasmita
Indonesian Journal of Chemistry Vol 4, No 3 (2004)
Publisher : Universitas Gadjah Mada

Electropolymerization processes of pyrrole and the usage of polypyrrole membrane as lysine and alanine deliverance have been studied by cyclic voltammetry technique. Polypyrrole membrane was prepared by electropolymerization processes of pyrrole in water based solvent containing sodium perchlorate as supporting electrolyte. Electropolymerization processes were carried out within potential range of 0-1100 mV vs Ag/AgCl reference electrode and at the scanning rate of 100 mV/s. In this study, lysine and alanine have been used as molecules which could easily be loaded on and released from polypyrrole membrane. The presence of lysine or alanine during electropolymerization process reduced the rate of electropolymerization of polypyrrole. In lysine or alanine transfer processes into polypyrrole membrane, the interaction between polypyrrole and lysine or alanine showed by the curve of E½ oxidation in respect of - log C. It proved that the E½ oxidation shifted to more positive potential showed by the increasing of concentration of lysine or alanine. Beside that, voltammetric responses of lysine and alanine transfered into polypyrrole membrane were found to be Nernstian. The results indicated that polypyrrole could be used as a sensor of lysine and alanine.

STUDY OF ELECTROPOLIMERIZATION PROCESSES OF PYRROLE BY CYCLIC VOLTAMMETRIC TECHNIQUE Adhitasari Suratman; Buchari Buchari; Indra Noviandri; Suryo Gandasasmita
Indonesian Journal of Chemistry Vol 4, No 2 (2004)
Publisher : Universitas Gadjah Mada

Electropolymerization processes and electrochemical properties of polypyrrole as electroactive polymer have been studied by cyclic voltammetric technique. Pyrrole was electropolymerized to form polypyrrole in water-based solvent containing sodium perchlorate as supporting electrolyte in several pH values. The pH of the solutions were varied by using Britton Robinson buffer. The results showed that oxidation potential limit of electropolymerization processes of pyrrole was 1220 mV vs Ag/AgCl reference electrode. It can be seen that cyclic voltammetric respon of polypyrrole membrane that was prepared by electropolymerization processes of pyrrole at the scanning rate of 100 mV/s was stable. While the processes of pyrrole electropolymerization carried out at the variation of pH showed that the best condition was at the pH range of 2 - 6.

Electrocoating Polypyrrole on Gold-Wire Electrode as Potential Mediator Membrane Candidate for Anionic Surfactant Electrode Sensor Abdul Haris Watoni; Indra Noviandri; Muhammad Nurdin; La Ode Ahmad Nur Ramadhan
Jurnal Kimia Sains dan Aplikasi Vol 23, No 5 (2020): Volume 23 Issue 5 Year 2020
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

The development of polypyrrole as a potential mediator membrane candidate for sodium dodecyl sulfate (SDS) sensor electrode has been investigated. The polypyrrole membrane was synthesized electrochemically from the pyrrole and coated at the surface of a 1.0 mm diameter of the gold-wire electrode. Electropolymerization of pyrrole and coating of the polypyrrole produced was performed by cyclic voltammetry technique in the electrochemical cell containing supporting electrolyte of 0.01 M NaClO4 with an optimum potential range of -0.9 V–1.0 V, the scanning rate of 100 mV/s, an electric current of 2 mA, and running of potential scanning of 10 cycles. By using the similar optimal parameters of cyclic voltammetry, electropolymerization of 0.01 M pyrrole solution containing 0.001 M SDS also produces a polypyrrole membrane coated at the gold-wire electrode surface. These coated electrodes have the potential response-ability toward DS- anions in the concentration range of 10-7 M–10-5 M with a limit of detection of 10-7 M and sensitivity of electrode of 9.9 mV/decade. This finding shows that the SDS solution’s role is as supporting electrolyte and also as a source of DS- dopant during the pyrrole electropolymerization processes. Dopants are trapped in the polymer membrane during the electrochemical formation of polypyrrole and role as ionophores for DS- anion in the analyte solution. A potential response to the electrode phenomena is excellent basic scientific information for further synthesis of conducting polymer and development of conducting polymer-coated wire electrode model, especially in the construction of ion-selective electrode (ISE) for the determination of anionic surfactants with those models.

ANALISIS DIAZINON SECARA DIFERENSIAL PULSA VOLTAMETRI DIBANDINGKAN DENGAN KROMATOGRAFI (Diazinon Analysis with Differential Pulse Voltametry Compared to Chromatography) Pirim Setiarso; Buchari Buchari; Indra Noviandri; Didin Mujahidin
Jurnal Manusia dan Lingkungan Vol 18, No 2 (2011): Juli
Publisher : Pusat Studi Lingkungan Hidup Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jml.18815

ABSTRAKTelah dilakukan penelitian penentuan diazinon dari sampel tanah pertanian di beberapa kecamatan Kabupaten Nganjuk Jawa Timur menggunakan elektroda kerja tembaga amalgam padat (CuSAE) secara diferensial pulsa voltametri (DPV) dibandingkan dengan metode kromatografi. 100 g sampel tanah pertanian yang dihaluskan dengan ukuran 100 mesh diekstraksi menggunakan aseton. Ekstraksi dilakukan menggunakan ekstraktror soxhlet dengan 10 kali sirkulasi. Hasil ekstraksi sebagian ditambahkan surfaktan SDS untuk dianalisis secara voltametri menggunakan elektroda CuSAE dan sebagian dianalisis menggunakan kromatografi cair kinerja tinggi (HPLC). Analisis voltametri dilakukan pada pH 3 dengan elektrolit pendukung CaCl 2 menggunakan standar adisi, sedangkan analisis dengan HPLC menggunakan grafik standar. Berdasarkan data voltamogram dan kromatogram yang telah diolah dengan program origin 7.0 menghasilkan perolehan kembali rata-rata diazinon (97.40 ± 1.02) % pada voltametri dan (100.98 ± 7.10) % pada HPLC. Analisis diazinon kedua metode dibandingkan dengan uji t (t hitung = 0.4785 < t tabel = 2.31) sehingga tidak ada perbedaan hasil antara metode voltametri dan HPLC.ABSTRACTThe research has been done for determination of diazinon in agricultural soil samples from several districts n Nganjuk, East Java . Solid copper amalgam (CuSAE) used as a working electrode using differential ulse voltammetry (DPV) compared with chromatographic method. Around 100 g sample of agricultural soil ith a size 100 mesh was extracted using 100 ml acetone. The extraction was done using extractor oxhlet with 10 times the circulation. A part of the extraction yield was added SDS surfactant for analysis by DPV, and another part analyzed by using high performance liquid chromatography (HPLC). Voltammetric analysis carried out at pH 3 with CaCl2 as a supporting electrolyte using standard addition method, while the analysis by HPLC using calibration curve (standard graphic).Based on the data from voltammograms and chromatograms after processing data using Origin 7.0 programme, the average of recovery of diazinon found to be 97.40 ± 1.02 % and 100.98 ± 7.10 % using voltammetry and HPLC methods, respectively. The results from both of methods compared using t test (t count = 0.4785 < ttable = 2.31). Therefore, there is no difference between the results from voltammety method compared with HPLC method.

Voltammetric Determination of Paracetamol with Carbon Paste Electrode Modified with Molecularly Imprinted Electropolymer I Wayan Tanjung Aryasa; Indra Noviandri
Molekul Vol 17 No 1 (2022)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2022.17.1.5595

Paracetamol is a commom analgesic and antipyretic drug which used for reliefing fever and head ache. The determination of paracetamol dose in pharmaceuticals is very important, becauce an overdose can cause fulminating hepatic necrosis and other toxic effects. Therefore, it is necessary to measure the dose of paracetamol for the patient with precision to avoid harm. Many analytical methodologies have been proposed for determination of paracetamol dose. One of the methods was developed in the past two decades. Generally, electroanalytical approach especially voltammetry method is particularly design for determination of paracetamol dose especially in modifying electrode. This study aims to modified carbon paste electrode with molecularly imprinted polymer (MIP). Significant advantages of using MIP are the superior stability, low cost and ease of preparation. The poly (3-aminiophenol) film was prepared by cyclic voltammetry method and 3-aminophenol monomer in supporting electrolyte (HClO4) with and whitout presence of paracetamol molecule. The effect of paracetamol was seen at cyclic voltammogram was founded, where oxidation peak potential of poly (3-aminophenol) shifted to more cathodic potentials from 0.948 to 0.780 V, in presence of paracetamol. The Ipa showed a good linear relationship with concentration in the range 0.01–0.1 mM, and the detection limit was 4,63 μM.

Co-Authors Abdul Haris Watoni Abdul Haris Watoni Abu Masykur Adhitasari Suratman Asnawati Asnawati Buchari Buchari Didin Mujahidin Didin Mujahidin Husain Sosidi I Wayan Tanjung Aryasa La Ode Ahmad Nur Ramadhan Muhammad Nurdin Pasaribu, Regina Pirim Setiarso Pirim Setiarso Puspita, Fitria Suryo Gandasasmita Susanto I.R Susanto Imam Rahayu Suyanta Suyanta Tri Mulyono

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