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I Wayan Sutapa
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INDONESIA
Chemistry Indonesian Journal of Chemical Research
  • Indonesian Journal of Chemical Research (Indones.
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Published by Universitas Pattimura
ISSN : 23385359     EISSN : 26142627     DOI : 10.30598//ijcr.2021.-irm
Core Subject : Science, Social, Engineering,
Biochemistry, Genetics & Molecular Biology Chemistry Engineering Environmental Science
Indo. J. Chem. Res. is a journal that regularly publishes primary articles covering all branches of chemistry and its sub-disciplines. Published articles consist of complete research, short communication, and review articles. The scope of published articles is not limited to inorganic chemistry, physical chemistry, organic chemistry, analytical chemistry, and biochemistry. Editors can invite articles review of authors that includes the latest developments in the field of interest of certain chemicals. A contribution is open to researchers from all countries.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 303 Documents
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The Characterization Of Clays From Latuhalat Village Activated Using Ammonium Nitrate Latupeirissa, Jolantje; Fransina, Eirene G.
Indonesian Journal of Chemical Research Vol 1 No 2 (2014): Edisi Bulan Januari (Edition For January)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.1-jol

Abstract

Research on characterization clays from Latuhalat village before and after the activation using ammonium nitrate has been carried out. The brick was grinded, washed with aquadest and filtered. The clays was dried for 4 h in oven at 120°C, then it was soaked in HCl 1M for 30 min and was filtered. The clays in oven at 110°C for 5 h. The clays were sieved and activated using ammonium nitrate solution 700 ppm for 5 hours followed by filtration and heating in a furnace with temperature 5000C for 4 hours. The results of this research show that the adsorption of Pb2+ metal ions by ammonium nitrate salts, activated clays occur at pH 7 with 4 hours of contact time at concentrations of 100 ppm and heavy absorbent 0.15 g. Next clays are not activated NH4NO3 and activated NH4NO3 are characterized by SEM, FT-IR, and XRD. After the adsorption clays are characterized also by FT-IR. SEM micrograph with results on samples of clay before and after activated with magnification 10.000x showed a huge difference. Porosity clay before activation is relatively small compared to clay after activated. Sample after sample surface showed that activated the typical micro-structure is clearly visible in the shape of the flat, and slightly layered hexagonal. FT-IR analysis of clay before and after activation, activation and after adsorption showed the results did not very much. On clay prior to activation with NH4NO3 on the uptake about 900 cm-1 is the functional group montmorilonite. For the clays after adsorption showed the existence of ties between clay particles with metal. For metal uptake there are areas around 425 cm-1. The result analysis of x-ray diffraction of clays before and after activation of NH4NO3 indicates the result value of 2θ in a row is 26,65470 and 26,87750 which is area with indication of quartz SiO2.
Extraction And Identification Of Sulfated Polysaccharide From Gracilaria sp. Malle, Dominggus; Fransina, Eirene G.; Jansen, Feky
Indonesian Journal of Chemical Research Vol 1 No 2 (2014): Edisi Bulan Januari (Edition For January)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.1-dom

Abstract

Polysaccharide from Gracilaria sp (locally known as “Sayur Karang”) was extracted using hot alkaline solutions (NaOH and KOH). Fractionation using DEAE-Sepharose Fast Flow column showed that the polysaccharide discharged after being eluted with 0.5 – 1.0 M NaCl. Spectroscopic analysis using FTIR showed that the polysaccharide contained hydroxyl (3420 cm-1 (NaOH frcation) dan 3446 cm-1 (KOH frcation)), carbonyl (1642 cm-1 (NaOH frcation) and 1644 cm-1 (KOH frcation)) and sulphate (1271 cm-1 (NaOH frcation) and 1262 cm-1 (KOH frcation)) groups proving that the polysaccharide is a sulphated polysaccharide. A further study is needed to elucidate the structure of the sulphated polysaccharide as well as physiochemical properties of the polysaccharide.
Application Of Spons Callispongia Sp Origin Of Halong Water (Ambon Bay) As Biomonitoring Contamination Trace Metals Pb,Cr,Cr And Zn Siahaya, Antho Netty; Noor, Alfian; Soekamto, Nunuk H.
Indonesian Journal of Chemical Research Vol 1 No 2 (2014): Edisi Bulan Januari (Edition For January)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.1-ant

Abstract

The purpose of research it is cycles how knowing cycle trace metals Pb, Cd, Cr and Zn in Callispongia Sp, sediment and water. Techniques of the analysis of trace metals use ICP-OES ((Inductively Coupled Plasma Optical Emission Spectroscopy). Analysis dramatic of the relationship between sponge significant sediment and water show that highest trace metal is Zn to Callispongia sp (6.250 mg/kg dry weight), sediment (0.750 ppm and water 0.790 ppm)
Base Activated Clay And Its Application As Cation Exchanger To Reduce The Mg2+ AND Ca2+ Ions Concentration In The Well Bijang, Catherina M.; Sekewael, Serly J.; Koritelu, J. A.
Indonesian Journal of Chemical Research Vol 1 No 2 (2014): Edisi Bulan Januari (Edition For January)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.1-cat

Abstract

The research about base activated clay and its application as cation exchanger to reducing the concentration of ions Mg2+ and Ca2+ in the well water has been caried out. Base solution used for clay activation was NaOH with variation of concentration at, 0.5 M, 1 M, and 1.5 M. Particle size of clay also have been variated at 40 mesh, 60 mesh, and 80 mesh. The result of this research shown that the best cation exchanging for Mg2+ was found in clay with 60 mesh particle sizes and concentration of NaOH 0.5 M, whereas for Ca2+ was found in clay with 80 mesh particle sizes and concentration of NaOH was 1.5 M.
Effects of Contamination Detergent (Las) On The Expression Of iNOS In Kidney Common Carp (Cyprinus carpio L.) Borut, Ruku R.
Indonesian Journal of Chemical Research Vol 1 No 2 (2014): Edisi Bulan Januari (Edition For January)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.1-ruk

Abstract

This research aims to know the expression of iNOS in the kidney of fish contamination of LAS (linear alkylbenzene sulfonat). Expression of iNOS observations of renal cells cranial common carp by using immunohistochemical methods show that distribution in the cytoplasma and iNOS cell nucleus. Expression of iNOS in the head kidney tissue distribution carp tubules and other networks is uneven. Expression of iNOS on a network of tubules occurs in cells on the outside. On other network distribution unevenly iNOS expression. Expression of iNOS in the head kidney tissues of common carp found in the control group and treatment group LAS contamination during 48 hours of observation. Expression of iNOS in the control group or normal ranges from 4.25-5.5 % of cells, treatment A (0,01 mg/L LAS) 10.5-15.75 % cell, treatment B (0,02 mg/L LAS) 9.75-22.25 % cell, treatment C (0,03 mg/L LAS) 10.75-21.00 %, treatment D (0,04 mg/L LAS) 14.5-18.00 % cell and treatment E (0,05 mg/L LAS) 13.00-18.00 % cell. Standard deviation on the control ranges from 2,08 up 3.4 while in group treatment ranged 1 to 1.25
Adsorption of Tartrazine Dye By Active Carbon from Mahagony (Swietenia Mahagoni Jacq) Rind Tanasale, Matheis F.J.D.P.; Latupeirissa, Jolantje; Letelay, Riwana
Indonesian Journal of Chemical Research Vol 1 No 2 (2014): Edisi Bulan Januari (Edition For January)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.1-mat

Abstract

The adsorption of tartrazine dye on active carbon of mahagony (Swietenia mahagoni Jacq) rind has been done. Through acquired active carbon carbonations process, where was that rind at entry into furnace on temperature 500oC for 1 hour, afterwards is cooled and sieved to 50 mesh. Activation process was done through charcoal soaking in 4 M HCl solution for 15 hours and be dried on ovens at 110o C for 1 hour. After that, by the calcinations process in furnace at 450o C was streamed to gas N2 for 2 hours then analysed by X-ray diffraction (XRD) to charcoal before activation, after activation and after calcinations. Adsorption process to tartrazina dye utilize UV-Vis spectrophotometer was been done. Result of research are gotten optimum condition of active carbon which is on adsorben’s weight 1.0 g, contact time 40 minutes, pH = 3 and concentration of tartrazine dye on 30 ppm. Adsorption of tartrazine dye on the active carbon fits Freundlich's isotherm at the value correlation coefficient (r 2 ), value K F , and value n which is 98%; 0.015 and 1.186 respectively.
Oleanan Derivate Compounds From Melochia umbellata (Houtt) Stapf var. Degrabrata K Bark And Their Bioactivity Usman, Usman; Soekamto, Nunuk H.; Usman, Hanapi; Ahmad, Ahyar
Indonesian Journal of Chemical Research Vol 2 No 1 (2014): Edisi Bulan Juli (Edition For July)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.2-usm

Abstract

Oleanan derivated 3-acetyl-12-oleanen-28-oat has been isolated from the n-hexane fraction of M. umbellata(Houtt) Stapf var. degrabrata K. bark. The molecular structure were determined by IR spectroscopy, 1D and 2DNMR (1H, 13C, DEPT, COSY, HMQC and HMBC) data analysis. Bioactivity tested results indicated that thecompound was toxic to A. salina with LC50 value was 361.93 mg/mL. At the concentration of 1000 mg/mL 3acetyl-12-oleanen-28-oat gave the highest inhibition to bacteria B. subtilis and the fungus C. albicans with the inhibited zone diameter was 15.8 mm and 15.2 mm, res.
Adsorption of Rhodamine B Dye By Active Carbon From Durrian Shell (Durio zibethinus) Tanasale, Matheis F.J.D.P.; Sutapa, I Wayan; Topurtawy, Ronald R.
Indonesian Journal of Chemical Research Vol 2 No 1 (2014): Edisi Bulan Juli (Edition For July)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.2-mat

Abstract

The research about adsorption of Rhodamine B dye by active carbon from Durian shell has been done. The active carbon gained from carbonation process which is shell of Durian put into furnace at 350 oC during 2 hours, and then being cold and sieved with 100 mesh sieves. Next process was calcinations at 450 oC C flowed by N2 gases for 2 hours then characterized with XRD spectrophotometer. Activation process is done through submerge of carbon in 3 M of KOH solution for 15 hours and dried in oven at 110 oC for 1 hour, then characterized with XRD. After that, adsorption process toward Rhodamine B dye and the result was tested using UV-Vis spectrophotometer. The results show that optimum condition from active carbon was at adsorbent weight of 0.6 g with contact time 100 minutes at pH 3.0 for adsorbs Rhodamine B concentration of 50 ppm. Adsorption of Rhodamine B dye fitted Freundlich isotherm with correlation coefficient (R2), K and n value were 97.3 %, 21.542 mg/g, and 0.405 respectively.
Synthesis Of 1-phenyl-4-(3’, 4’-dimethoxy phenyl)-1-Buten-3-on From Eugenol Tahya, Candra Y.; Sohilait, Hanoch J.; Sekewael, Serly J.
Indonesian Journal of Chemical Research Vol 2 No 1 (2014): Edisi Bulan Juli (Edition For July)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.2-can

Abstract

The synthesis of 1-phenyl-4-(3’, 4’-dimethoxy phenyl)-1-buten-3-one from eugenol has been done through four reaction steps. The metilation of eugenol with dimethyl sulphate yields 81.81% of methyl eugenol. Oxymercuration-demercuration of methyl eugenol with mercury acetate yields 67.27% of methyl eugenyl alcohol. Oxidation of methyl eugenyl alcohol with pyridinium chloro chromate (PCC) yields 45.31% of methyl eugenyl ketone. Aldol condensation reaction of methyl eugenyl ketone with benzaldehide catalyzed by potasium hydroxyde yields 7.38% of 1-phenyl4-(3’,4’-dimethoxyphenyl)-1-buten-3-one. The purity of compounds was tested by GC and LC. The Elucidation of structure was analyzed by FTIR, GC-MS, LC-ESI-MS, and H-NMR.
Effect Of Tamarind (Tamarindus indica L.) Extract To Histamine Content In Bullet Tuna (Auxis rochei) Hattu, Nikmans; Latupeirissa, Jolantje; Fransina, Eirene G.; Seumahu, Cecelia A; Latupeirissa, Astrid
Indonesian Journal of Chemical Research Vol 2 No 1 (2014): Edisi Bulan Juli (Edition For July)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2014.2-nik

Abstract

The research to determine histamine content in bullet of tuna (Auxis rochei) with variation of tamarind (Tamarindus indica L.) extract concentrations and time of marinate has been done. The histamine content is determined quantitatively by using ultraviolet-visible spectrophotometer with the calibration curve method. The result showed that histamine content in bullet tuna marinated in tamarind extract with varied concentrations of 5%, 10%, 15%, and 20% within 10 minutes, are 37.4561, 35.3041, 23.8778, and 22.1186 mg/100 g respectively. While, the concentrations of histamine in bullet tuna marinated in 20% of tamarind extract with variation of 10, 20, 30, 40, and 50 minutes, are 22.2965, 19.7544, 17.6925, 11.5865, and 8.0396 mg/100 g respectively. A qualitatively, visual comparison of colour intensity of samples with reference colour scale of the standard solution concentration can be used to determine concentrations of histamine without the aid of a spectrophotometer.

Page 2 of 31 | Total Record : 303

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