Search Results:　 1-20 of 264

1

Effect of chelating agents on preconcentration of trace heavy metals in aqueous solutions by thermoresponsive polymer-mediated extraction

田中智一 , Tanaka Tomokazu , 三木義三 , Miki Yoshizo

… This enhancement seems to be due to the decrease in the loss of metal chelates during the measurement of graphite-furnace atomic absorption spectrometry. …

福井工業大学研究紀要, 411-414, 2012-08-02

IR
2

Solid-phase Extraction of Lead and Cadmium in Fresh Water on Hydrotalcite and Their Determination by Graphite Furnace Atomic Absorption Spectrometry [in Japanese]

MINAMISAWA Hiroaki , TAKUBO Taisuke , ASAMOTO Hiromichi , MINAMISAWA Mayumi , SAITOH Kazunori , NAKAGAMA Tatsuro , SHIBUKAWA Masami

ハイドロタルサイト（HT）の有する陽イオン交換能及び塩基性化合物としての特性を活かしたPb(II)及びCd(II)の固相抽出法について検討を行った．その結果，Pb(II)及びCd(II)はいずれも水溶液のpH 4.0～10.0の範囲で良好にHTに吸着された．吸着実験の結果をLangmuir式で検討したところ，Pb(II)はK＝6.11×105（dm3/mol），b＝4.53×10&# …

BUNSEKI KAGAKU 61(4), 311-317, 2012-04-05

J-STAGE CrossRef References (32)
3

Degradation Process of Graphite Furnace Estimated from Atomic Gas Temperature of Iron in Graphite Furnace Atomic Absorption Spectrometry [in Japanese]

ASHINO Tetsuya , SHIMABUKURO Haruki , WAGATSUMA Kazuaki

日本金屬學會誌 76(2), 129-133, 2012-02-01

References (21)
4

Effects of Antioxidant Supplementation on Duodenal Se-Met Absorption in Ethanol-exposed Rat Offspring In Vivo

NOGALES Fatima , OJEDA M. Luisa , DELGADO M. Josefa , JOTTY Karick , DIAZ CASTRO Javier , MURILLO M. Luisa , CARRERAS Olimpia

… In order to improve our knowledge about selenium (Se) distribution in pups exposed to ethanol, the present study evaluated the effect of this drug on intestinal development and determined its action on duodenal absorption of selenomethionine (Se-Met). …

Journal of Reproduction and Development 57(6), 708-714, 2011-12-01

J-STAGE Ichushi Web CrossRef References (36)
5

Preconcentration of trace heavy metals in aqueous solutions by thermoresponsive polymer-mediated extraction for the analysis of natural water

田中智一 , Tanaka Tomokazu , 穴田博之 , Anada HiroyukI

… In the preconcentration of trace heavy metals in aqueous solutions with poly(N-isopropylacrylamide) (PNIPAAm), the synthetic method of PNIPAAm was investigated to reduce the dissolution time of precipitated polymer phase with N,N-dimethylmethanamide (DMF) and to improve the measurement reproducibility of graphite-furnace atomic absorption spectrometry (GF-AAS). …

41, 360-363, 2011-08-04T03:57:43Z

IR
6

Separation of dissolved iron from the aqueous system with excess ligand

Hasegawa Hiroshi , Rahman Ismail M. M. , Kinoshita Sanae , Maki Teruya , Furusho Yoshiaki

… Dissolved iron that was 'captured' by the MRT gel was eluted using hydrochloric acid and subsequently determined by graphite furnace atomic absorption spectrometry. …

Chemosphere 82(8), 1161-1167, 2011-02-08

IR CrossRef
7

Lead and Cadmium Concentrations in Winter Rain, Fresh Snow, Rime and Glaze Collected on the Top of Mt. Kajigamori, Kochi Prefecture in Shikoku Island, Japan [in Japanese]

IMAI Shoji , KUROTANI Isao , ITO Satoshi , YAMAMOTO Takashi , YAMAMOTO Hiroshi

… Lead and cadmium in the rain, snow, rime and glaze were analyzed by graphite furnace atomic absorption spectrometry together with the ionic components (Na+, NH4+, K+, Mg2+, Ca2+, F－, Cl－, NO2－, Br－, NO3－, PO43－, SO42－) by ion chromatography, and pH, E.C. …

BUNSEKI KAGAKU 60(2), 179-190, 2011-02-05

J-STAGE CrossRef References (26)
8

Separation of dissolved iron from the aqueous system with excess ligand

Hasegawa Hiroshi , Rahman Ismail M. M. , Kinoshita Sanae , Maki Teruya , Furusho Yoshiaki

… Dissolved iron that was 'captured' by the MRT gel was eluted using hydrochloric acid and subsequently determined by graphite furnace atomic absorption spectrometry. …

Chemosphere 82(8), 1161-1167, 2011-02-00

IR CrossRef
9

Separation of dissolved iron from the aqueous system with excess ligand

Hasegawa Hiroshi , Rahman Ismail M. M. , Kinoshita Sanae , Maki Teruya , Furusho Yoshiaki

… Dissolved iron that was 'captured' by the MRT gel was eluted using hydrochloric acid and subsequently determined by graphite furnace atomic absorption spectrometry. …

Chemosphere 82(8), 1161-1167, 2011-02-00

IR CrossRef
10

Test Method for Lead in Metal Utensils for Food Contact Use [in Japanese]

MUTSUGA Motoh , YOTSUYANAGI Michiyo , KAWAMURA Yoko

金属製品の材質中鉛試験法を確立した．測定法としてフレーム-原子吸光分析(AAS)法，フレームレス-原子吸光分析(GFAA)法，誘導結合プラズマ発光分析(ICP)法および蛍光X線分析(XRF)法の比較を行い，試験溶液の調製法についても検討を行った．試料 100 mg を精秤し，塩酸・硝酸(3 : 1)混酸(チタンは塩酸)を 2.5 mL 加えて溶解した．これに水を加えて 50 mL としたものを試験 …

Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 52(1), 10-17, 2011

Japanese Agricultural Sciences Index J-STAGE Ichushi Web CrossRef
11

Removal of the Iron Matrix by Cloud-Point Extraction with Ammonium Thiocyanate for the Analysis of Iron Metals [in Japanese]

Matsumiya Hiroaki , Kuromiya Masahiro , Hiraide Masataka

… The trace elements were determined by graphite-furnace atomic absorption spectrometry. …

Tetsu-to-Hagane 97(2), 61-64, 2011

J-STAGE CrossRef
12

Separation and Preconcentration of Bismuth, Lead, and Antimony in Steel-digested Solution by Ion-exchange Adsorption Followed by Ion-pair Elution [in Japanese]

Uehara Nobuo

… Subsequently, the concentrates were analyzed by graphite furnace atomic absorption spectrometry. …

Tetsu-to-Hagane 97(2), 54-60, 2011

J-STAGE CrossRef
13

Comparative Measurement of Gas Temperature in a Graphite Atomizer by a Two-line Method of Iron and Nickel Spectral Lines in Graphite Furnace Atomic Absorption Spectrometry

ASHINO Tetsuya , MORIMOTO Syun , WAGATSUMA Kazuaki

Analytical Sciences 26(12), 1301-1304, 2010-12-10

References (14)
14

Determination of Silver in Environmental Samples by Electrothermal Atomic Absorption Spectrometry after Preconcentration with Protein [in Japanese]

EGUSA Kiyoyuki , KANECO Satoshi , KONDOU Yoshimasa , KATSUMATA Hideyuki , SUZUKI Tohru , OHTA Kiyohisa

タンパク質を用いたバイオソープション前濃縮法と黒鉛炉原子吸光分析法を組み合わせ，環境水中の銀の定量を行った．タンパク質には，ヌトロース（カゼインナトリウム）を用いた．試料溶液のpH，撹拌時間，ヌトロース量，灰化温度，原子化温度，マトリックス元素などの影響を調べ，前濃縮条件を最適化した．最適な灰化温度と原子化温度は，それぞれ350℃ と1400℃ であった．本法による銀の濃縮倍率は15.5倍であった …

BUNSEKI KAGAKU 59(12), 1113-1117, 2010-12-05

J-STAGE CrossRef References (16)
15

Degradation Process of Graphite Furnace Estimated from the Atomic Gas Temperature of Iron in Graphite Furnace Atomic Absorption Spectrometry

ASHINO Tetsuya , SHIMABUKURO Haruki , WAGATSUMA Kazuaki

Materials Transactions 51(12), 2215-2219, 2010-12-01

References (20)
16

Role of a Binary Metallic Modifier in the Determination of Cadmium in Graphite Furnace Atomic Absorption Spectrometry

MORIMOTO Syun , ASHINO Tetsuya , WAGATSUMA Kazuaki

Analytical Sciences 26(7), 809-813, 2010-07-10

References (15) Cited by (2)
17

Highly Sensitive Determination of Cadmium and Lead in Leached Solutions from Ceramic Ware by Graphite Furnace Atomic Absorption Spectrometry Coupled with Sequential Injection-based Solid Phase Extraction Method

UEDA Minoru , TESHIMA Norio , SAKAI Tadao , JOICHI Yasutaka , MOTOMIZU Shoji

Analytical Sciences 26(5), 597-602, 2010-05-10

References (27)
18

The basic study on determination of ytterbium in natural apatite minerals by solvent extraction-graphite furnace atomic absorption spectrometry [in Japanese]

山野江梨奈 , 藤野治 , 前川雅彦

… The ytterbium in the natural apatite minerals were determined by graphite furnace atomic absorption spectrometry. … 10μl of the organic phase was injected directly in the graphite furnace atomizer of atomic absorption spectrometry. …

Science and technology (22), 27-33, 2010-02-00

IR
19

Preparation of Calibration Curves for the Direct Determination of Trace Level of Zinc in High Purity Iron and Steel Samples by Graphite Furnace Atomic Absorption Spectrometry Using Solid Sampling Technique [in Japanese]

TSUSHIMA Shinya , YAMAOKA Shingo , BAI Junling , MINAMI Hirotsugu , TAKAHASHI Nobuo , INOUE Sadanobu , ATSUYA Ikuo

… The preparation of calibration curves using an aqueous standard solution was studied for the direct determination of trace levels of zinc in high-purity iron and steels by graphite furnace atomic absorption spectrometry (GF-AAS) using solid sampling technique. …

BUNSEKI KAGAKU 58(8), 771-775, 2009-08-05

J-STAGE CrossRef References (21)
20

Speciation Analysis for Chromium(III) and Chromium(VI) after Micro Solvent Extraction with in situ Extractant Formation Method [in Japanese]

AKUTSU Tetsuya , SHIMIZU Tokuo , UEHARA Nobuo

in situ抽出剤生成法とミクロ溶媒抽出法を組み合わせた水試料中のクロム（III）とクロム（VI）の分別法を開発した．試料水25 mLに，モル比を1 : 2とした二硫化炭素とピロリジンを3 v/v％含むキシレンの混合溶媒を500 μL加え，ミクロ溶媒抽出して50倍濃縮を行った．有機相を分取し，黒鉛炉原子吸光測定した．pH 3.0においてクロム（VI）は，系内で生成したピロリジンジチオカルバミン …

BUNSEKI KAGAKU 58(8), 693-698, 2009-08-05

J-STAGE CrossRef References (18)

Search Results:　 1-20 of 264

Related Authors

Related Journals

Search Results: 1-20 of 264

Related Authors

Related Journals

Search Results:　 1-20 of 264