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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Analytical Science and Technology
Journal Basic Information
Journal DOI :
The Korean Society of Analytical Science
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Volume & Issues
Volume 14, Issue 6 - 00 2001
Volume 14, Issue 5 - 00 2001
Volume 14, Issue 4 - 00 2001
Volume 14, Issue 3 - 00 2001
Volume 14, Issue 2 - 00 2001
Volume 14, Issue 1 - 00 2001
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Review : Pretreatment Method for the Analysis of platinum Group Metals
Kim, Byeong-Hui ; Kim, Yeong-Sang ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 109~109
A study on the pretreatment of egg and dried pork for determination of selenium using ICP/MS
Park, Kyung-Su ; Kim, Sun-Tae ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 465~470
A pretreatment procedure was performed to improve recovery of selenium from enriched egg and dried pork. Samples were digested with only
in beaker at
for 3 hrs, and Se was determined by ICP-MS. Recovery of selenium was 94.2%, and its C.V. value was 2.48%. The analytical results of Se by this method were 0.13 - 2.71 mg/kg for egg and 0.36 - 4.19 mg/kg for dried pork.
Determination of DBCP and n-Butylbenzene using SPME with GC-MS
Park, Hyun-Mee ; Kim, Young-Man ; Lee, Dai-Woon ; Lee, Kang-Bong ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 471~475
Solid phase microextraction(SPME) with
-polyacrylate (PA) and
-polydimethylsiloxane(PDMS) fibers, coupled to gas chromatography-mass spectrometry was used to determine 1,2-dibromo-3-chloropropane(DBCP) and n-butylbenzene in water. The conditions affecting the SPME process(i.e, extraction time, injection length, injection temperature, desorption time and temperature) were optimized. The linearity of the calibration curve (correlation coefficient, R) was over 0.99 and the limits of detection of the method were between 1.5 and
. Repeatability of the method was between 10.4 and 14.4 %.
A provenance study of roof tiles from the late Korea dynasty using Neutron Activation Analysis
Chung, Kwang-Yong ; Kim, Myung-Jin ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 476~485
Both concave and convex roof-end tiles having same style and shape are excavated in Yongjangsung castle at Jindo and Burnhwasa temple at Wando in Jeollanam-Do that are the Sambyulcho's resistance sites against Mongolia in the late Koryo dynasty. Obtained data by NAA have been used to classify the equality of a raw materials' porvenance by multiple correlation analysis(MCA) and discriminant analysis. The results of MCA has shown that there are very high correlation for [La : Sm], and [Lu : Yb]. Exactly pottery site at Chungdo, roof tile site at Chungyang, Yongjangsung castle and Bumhwasa temple and Chunghaejin site at Jangdo were distributed for four trace elements, Cr, Sc,
(Lu, Yb)) and Eu by discriminant analysis, and their accuracy is above 95%. This means that Yongjangsung castle and Bumhwasa temple have same raw material's provenance.
Effect of Surface Charging on the SIMS Depth Profile of Bismuth Titanate Thin Film
Kim, Jae Nam ; Lee, Sang Up ; Kwun, Hyug Dae ; Shin, Kwang Soo ; Chon, Uong ; Park, Byung Ok ; Cho, Sang Hi ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 486~493
The effect of SIMS analysis conditions such as mesh grid, offset voltage and ion species on the in-depth profile for bismuth titanate thin film was examined in terms of charging effect and detection limit. The results shows that the use of offset voltage -40 V reduces the charging effect and the detection limit. The employment of mesh grid in sample preparation leads to the reduction of the charging effect in small amount, but deteriorate the detection limit. Utilization of primary
ion for SIMS analysis of bismuth titanate thin film showed almost the same effect as using offset voltage -40 V. However, it takes approximately triple acquisition time than using
ion due to the poor beam current of the source in the experiment.
Surface Characterization of Al Coated Steel Treated with Cerium Nitrate
Lee, Do-Hyung ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 494~498
In this study, cerium nitrate was used as an alternative to chromate for the surface-treatment of Al coated steel to improve the corrosion resistance. The surface of Al coated steel was characterized by means of a X-ray photoelectron spectroscopy(XPS). It was found that cerium on the surface of Al coated steel had a mixture of oxidation states such as Ce(+4) and Ce(+3), and the relative concentration of each state was 57 % and 43 %, respectively. The surface film consisting of these cerium compounds played an important role for achieving the corrosion resistance of Al coated steel.
Determination of bisphenol-A using GC/MS in Can Materials
Kim, Ki-Cheol ; Kim, Yang-Hee ; Choi, Ok-Kyung ; Ko, Hoan-Uck ; Yim, Jun-Rae ; Choi, Kyo-Hong ; Cho, Hyun-Woo ; Kim, Hye-Young ; Kim, Myungsoo ; Myung, Seung-Woon ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 499~503
A new simple, rapid and sensitive gas chromatographic technique for the determination of bisphenol-A in can materials, which is the major material of epoxy resin and polycarbonate polymer, is proposed. This method is characterised by derivatization of the bisphenol-A with a acylating reagent forming the acetate derivative to optimize the chromatographic property. The detection of bisphenol-A is performed based on GC/MS (gas chromatography/mass spectrometry). Several beverages were analyzed by the proposed method for the determination of bisphenol-A Bisphenol-A was assayed the range of
from the can materials.
The Concentrations and TEQ Levels of PCDFs and PCDDs in Human Adipose Tissue and First Breast Milk of Korean
Kim, Yunje ; Lee, Sun Young ; Han, Soon Young ; Park, Kui Lea ; Kil, Kwang Sup ; Yang, Kyu Hwan ; Kim, Eun Kyung ; Kim, Myungsoo ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 504~509
The concentrations and TEQ levels of PCDFs/PCDDs in human aipose tissue and first breast milk were analyzed by high resolution gas chromatography/high resolution mass spectrometry. The human adipose tissue samples measured in this study have been collected at hospital in Seoul. The total concentration and TEQ level of PCDFs were showed 5.812 pg/g and 1.485 pgTEQ/g. The total concentration and TEQ level of PCDDs were showed 26.648 pg/g and 1.176 pgTEQ/g, respectively. This paper also reported dioxin levels in 20 breast milks of Korean mothers from hospital in Seoul National University. Total concentration and TEQ levels of PCDFs were showed 7.019 pg/mL and 0.177 pgTEQ/mL, respectively. Total concentrations and TEQ levels of PCDDs were showed 14.224 pg/mL and 0.693 pgTEQ/mL, respectively. According to the contribution of dioxin congeners in samples, PCDDs was higher than PCDFs. And OCDD had the highest concentration.
The Determination of Dissolved Total Fe by Flow Injection Analysis in Environmental Samples
Kim, Do Hoon ; Takeda, Kazuhiko ; Sakugawa, Hiroshi ; Lee, Jin Sik ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 510~515
There has been an increasing need for analytical methods of dissolved total iron (tFe) that are highly sensitive, rapid, inexpensive and simple for environmental samples. A sensitive flow injection analysis (FIA) method for determining the concentration of tFe in environmental samples was developed. The proposed method required 10 minutes and only
of sample for and analysis. The standard deviation was 5.0% at
(n=6), and the detection limit was
. The developed method was applied to environmental samples such as tap water, mineral water, rain, snow and cloud water. Since this FIA system was free form interferences of coexisting ions commonly found in samples, sub-
level of tFe could be easily determined without further preconcentration and separation.
Study for Reducing of Hazardous metals in Bottom Ash from Municipal Solid Waste Combustors(MSWC) of Korea
Chung, David ; Yun, Youog-Ja ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 516~521
This research was for reducing leachated concentration of hazardous pollutants in bottom ash from municipal solid waste combustors(200 tons/day) of Korea. Lead and copper compounds were selected as main pollutants. For reducing of leachated level, optimal conditions were observed using air oxidation for lead compounds and water washing method for copper compounds. and it was observed stable pH range of bottom ash from analyzing lechated level by pH variation.
Generation of Carbon Monoxide from Saccharides
Kim, Nam Yee ; Seo, Joong Seok ; Park, Sung Woo ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 522~529
Carbon monoxide was generated when the saccharides which contained aldehyde group were added to alkali solution (NaOH solution) at
. When the milk was added to 1.0 M NaOH solution at
and to 0.01 M NaOH solution at
, carbon monoxide was generated. The carbon monoxide gas which was generated by 20 mL of 0.1 M lactose or 0.1 M xylose and 2 mL of 1.0 M NaOH solution at
for 2days was bubbled through 2 mL of fresh blood. The carboxyhemoglobin concentrations of both conditions were 31%. However, when the carbon monoxide gas which was generated by 30 mL of milk and 2 mL of 1.0 M NaOH at
for 2days or 3days was bubbled through 2 mL of fresh blood, the carboxyhemoglobin concentration was 32% or 42% respectively.
A Study on the Desorption Behaviors of Some Heavy Metals on Duolite GT-73 Chelating Resin
Kim, Sook-Young ; Lee, Jae-Suk ; Kim, Young-Man ; Choi, Beom-Suk ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 530~534
Effect of stripping solutions on the Duolite GT-73 chelating resin for ten elements, Ag(I), Al(III), Ca(II), Cd(II), Cu(II), Fe(II), Hg(II), Mn(II), Pb(II), and Zn(II), was investigated. Relation between affinities of the metal ions and solubility products of metal sulfides was studied. The smaller the solubility product of metal sulfideis, the larger the affinitie with the ionsis. The ions which have the solubility products larger than
could be effectively desorbed with nitric acid. Complexation with chloride ion enhanced the desorption efficiencies of the ions having moderately strong affinity with the resin. The ions which have very strong affinity by the chelating resin can be desorbed by complextion with thiourea and hydrochloric acid.
Synthesis and Structural Characterization of the One-Dimensional Cadmium(II) Complex with Thiocyanate and 4-Methylimidazole Ligands
Moon, Hyoung-Sil ; Kim, Chong-Hyeak ; Lee, Sueg-Geun ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 535~539
One-dimensional coordination polymer of cadmium(II) complex,
, has been prepared and characterized by X-ray single crystallography. Structure analysis reveals that each cadmium(II) atom is six-coordinated in distorted octahedral fashion with
composition contains two S and two N atoms from four thiocyanates and tow N atoms from two 4-methylimidazole ligands. Central cadmium(II) atoms are run in parallel to the a-axis and are doubly bridged with neighboring cadmium(II) atoms by the thiocyanate and isothiocyanate ligands. Thus, this complex has a one-dimensional polymer structure in which the 4-methylimidazole is in the trans conformation.
Determination of Cyanide Ion by Adsorptive Stripping Voltammetry
Cha, Ki-Won ; Ko, Su-Jin ; Kim, Jea-Kyun ;
Analytical Science and Technology, volume 14, issue 6, 2001, Pages 540~544
Determination of cyanide ion has been studied by adsorptive stripping voltammetry using hanging mercury electrode. Cyanide ion complexed with copper ion is adsorpbed on the electrode and oxidised at the positive potential scan. Optimal conditions of CN determination were found to be ; supporting electrolyte solution ; 0.1 M NaCl of ammonium buffer at pH 10, accumulation potential; -800 mV vs Ag/AgCl, accumulation time ; 300 s, scan rate ; 50mV/s. The linear concentration of cyanide ion was observed in the range
. The detection limit(n/s=3) was
) with 3.5% RSD.