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Journal articles on the topic 'Trapping of hydride forming elements'

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Published: 4 June 2021

Last updated: 4 February 2022

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1

Matusiewicz, H., and R. E. Sturgeon. "Atomic spectrometric detection of hydride forming elements following in situ trapping within a graphite furnace." Spectrochimica Acta Part B: Atomic Spectroscopy 51, no. 4 (March 1996): 377–97. http://dx.doi.org/10.1016/0584-8547(95)01419-5.

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2

Tsalev, D. L., and P. B. Mandjukov. "Electrothermal atomic absorption spectrophotometric determination of hydride-forming elements after simultaneous preconcentration by hydride generation and trapping hydrides in cerium(iv)-potassium iodide absorbing solution." Microchemical Journal 35, no. 1 (February 1987): 83–93. http://dx.doi.org/10.1016/0026-265x(87)90202-5.

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3

Alp, Orkun, and Nusret Ertaş. "In-situ trapping arsenic hydride on tungsten coil and comparing interference effect of some hydride forming elements using different types of atomizers." Microchemical Journal 128 (September 2016): 108–12. http://dx.doi.org/10.1016/j.microc.2016.03.021.

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4

Murphy, James, Gerhard Schlemmer, Ian L. Shuttler, Phil Jones, and Steve J. Hill. "Simultaneous multi-element determination of hydride-forming elements by “in-atomiser trapping” electrothermal atomic absorption spectrometry on an iridium-coated graphite tube." J. Anal. At. Spectrom. 14, no. 10 (1999): 1593–600. http://dx.doi.org/10.1039/a904468j.

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5

Dočekal, Bohumil, Seref Gücer, and Anna Selecká. "Trapping of hydride forming elements within miniature electrothermal devices: part I. investigation of collection of arsenic and selenium hydrides on a molybdenum foil strip." Spectrochimica Acta Part B: Atomic Spectroscopy 59, no. 4 (April 2004): 487–95. http://dx.doi.org/10.1016/j.sab.2003.11.004.

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6

Krejčí, Pavel, Bohumil Dočekal, and Zuzana Hrušovská. "Trapping of hydride forming elements within miniature electrothermal devices. Part 3. Investigation of collection of antimony and bismuth on a molybdenum foil strip following hydride generation." Spectrochimica Acta Part B: Atomic Spectroscopy 61, no. 4 (April 2006): 444–49. http://dx.doi.org/10.1016/j.sab.2006.03.006.

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7

Dočekal, Bohumil. "Trapping of hydride forming elements within miniature electrothermal devices. Part 2. Investigation of collection of arsenic and selenium hydrides on a surface and in a cavity of a graphite rod." Spectrochimica Acta Part B: Atomic Spectroscopy 59, no. 4 (April 2004): 497–503. http://dx.doi.org/10.1016/j.sab.2004.01.007.

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8

Matusiewicz, Henryk, and Mariusz Kopras. "Simultaneous determination of hydride forming elements (As, Bi, Ge, Sb, Se) and Hg in biological and environmental reference materials by electrothermal vaporization–microwave induced plasma-optical emission spectrometry with their in situ trapping in a graphite furnace." J. Anal. At. Spectrom. 18, no. 12 (2003): 1415–25. http://dx.doi.org/10.1039/b309359j.

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9

Barth, P., V. Krivan, and R. Hausbeck. "Cross-interferences of hydride-forming elements in hydride-generation atomic absorption spectrometry." Analytica Chimica Acta 263, no. 1-2 (June 1992): 111–18. http://dx.doi.org/10.1016/0003-2670(92)85432-6.

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10

Wang, Yu, Kailai Xu, Xiaoming Jiang, Xiandeng Hou, and Chengbin Zheng. "Dual-mode chemical vapor generation for simultaneous determination of hydride-forming and non-hydride-forming elements by atomic fluorescence spectrometry." Analyst 139, no. 10 (2014): 2538–44. http://dx.doi.org/10.1039/c4an00066h.

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11

Nakatsuka, K., M. Yoshino, H. Yukawa, and M. Morinaga. "Roles of the hydride forming and non-forming elements in hydrogen storage alloys." Journal of Alloys and Compounds 293-295 (December 1999): 222–26. http://dx.doi.org/10.1016/s0925-8388(99)00423-5.

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12

Zhang, Wang-bing, Xin-an Yang, and Xiang-feng Chu. "Electrochemical hydride generation for the determination of hydride forming elements by atomic fluorescence spectrometry." Microchemical Journal 93, no. 2 (November 2009): 180–87. http://dx.doi.org/10.1016/j.microc.2009.07.001.

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13

Teichert, Johannes F., and Lea T. Brechmann. "Catch It If You Can: Copper-Catalyzed (Transfer) Hydrogenation Reactions and Coupling Reactions by Intercepting Reactive Intermediates Thereof." Synthesis 52, no. 17 (July 13, 2020): 2483–96. http://dx.doi.org/10.1055/s-0040-1707185.

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The key reactive intermediate of copper(I)-catalyzed alkyne semihydrogenations is a vinylcopper(I) complex. This intermediate can be exploited as a starting point for a variety of trapping reactions. In this manner, an alkyne semihydrogenation can be turned into a dihydrogen-mediated coupling reaction. Therefore, the development of copper-catalyzed (transfer) hydrogenation reactions is closely intertwined with the corresponding reductive trapping reactions. This short review highlights and conceptualizes the results in this area so far, with H2-mediated carbon–carbon and carbon–heteroatom bond-forming reactions emerging under both a transfer hydrogenation setting as well as with the direct use of H2. In all cases, highly selective catalysts are required that give rise to atom-economic multicomponent coupling reactions with rapidly rising molecular complexity. The coupling reactions are put into perspective by presenting the corresponding (transfer) hydrogenation processes first.1 Introduction: H2-Mediated C–C Bond-Forming Reactions2 Accessing Copper(I) Hydride Complexes as Key Reagents for Coupling Reactions; Requirements for Successful Trapping Reactions 3 Homogeneous Copper-Catalyzed Transfer Hydrogenations4 Trapping of Reactive Intermediates of Alkyne Transfer Semihydrogenation Reactions: First Steps Towards Hydrogenative Alkyne Functionalizations 5 Copper(I)-Catalyzed Alkyne Semihydrogenations6 Copper(I)-Catalyzed H2-Mediated Alkyne Functionalizations; Trapping of Reactive Intermediates from Catalytic Hydrogenations6.1 A Detour: Copper(I)-Catalyzed Allylic Reductions, Catalytic Generation of Hydride Nucleophiles from H2 6.2 Trapping with Allylic Electrophiles: A Copper(I)-Catalyzed Hydroallylation Reaction of Alkynes 6.3 Trapping with Aryl Iodides7 Conclusion

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14

Lin, Yu Fang, Dongliang Zhao, and Xin Lin Wang. "Alloying Effect on the Electronic Structure of LaNi₅-Based Hydrogen Storage Alloys." Materials Science Forum 475-479 (January 2005): 3123–26. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3123.

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Employing the first principles discrete variational method(DVM), we investigated the electronic structure of LaNi5 hydrogen storage alloys containing various alloying elements, M=Mn,Fe,Co. The results showed that s electrons of H mainly interact with s electrons of hydride-non-forming element Ni, though hydride forming element La have stronger affinity to hydrogen atom. And alloying elements strengthened the bond between B-H, so decreased the capacity of doped-system.

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15

Corns, Warren T., Peter B. Stockwell, Les Ebdon, and Steve J. Hill. "Development of an atomic fluorescence spectrometer for the hydride-forming elements." Journal of Analytical Atomic Spectrometry 8, no. 1 (1993): 71. http://dx.doi.org/10.1039/ja9930800071.

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16

Benzo, Z., M. N. Matos-Reyes, M. L. Cervera, and M. de la Guardia. "Simultaneous determination of hydride and non-hydride forming elements by inductively coupled plasma optical emission spectrometry." Journal of the Brazilian Chemical Society 22, no. 9 (September 2011): 1782–87. http://dx.doi.org/10.1590/s0103-50532011000900022.

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17

Pohl, Pawel, and Ralph E. Sturgeon. "Simultaneous determination of hydride- and non-hydride-forming elements by inductively coupled plasma optical emission spectrometry." TrAC Trends in Analytical Chemistry 29, no. 11 (December 2010): 1376–89. http://dx.doi.org/10.1016/j.trac.2010.07.015.

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18

Mergemeier, Steffen, and Fritz Scholz. "Application of the photoionization detector for single determinations of hydride forming elements." Fresenius' Journal of Analytical Chemistry 350, no. 12 (1994): 659–61. http://dx.doi.org/10.1007/bf00323659.

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19

Bolea, E., F. Laborda, J. R. Castillo, and R. E. Sturgeon. "Electrochemical hydride generation for the simultaneous determination of hydride forming elements by inductively coupled plasma-atomic emission spectrometry." Spectrochimica Acta Part B: Atomic Spectroscopy 59, no. 4 (April 2004): 505–13. http://dx.doi.org/10.1016/j.sab.2004.01.005.

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20

Chanvaivit, Sirirat, and Ian D. Brindle. "Matrix independent determination of hydride-forming elements in steels by hydride generation-inductively coupled plasma atomic emission spectrometry." J. Anal. At. Spectrom. 15, no. 8 (2000): 1015–18. http://dx.doi.org/10.1039/b002263m.

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21

Matusiewicz, Henryk, and Mariusz Ślachciński. "Ultrasonic Nebulization, Multimode Sample Introduction System for Simultaneous Determination of Hydride-Forming, Cold Vapor, and Non-Hydride-Forming Elements by Microwave-Induced Plasma Spectrometry." Spectroscopy Letters 47, no. 6 (April 2014): 415–26. http://dx.doi.org/10.1080/00387010.2013.804421.

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22

Dittrich, K., T. Franz, and R. Wennrich. "Simultaneous determination of hydride forming elements by furnace atomic nonthermal excitation spectrometry (FANES)." Spectrochimica Acta Part B: Atomic Spectroscopy 50, no. 13 (November 1995): 1655–67. http://dx.doi.org/10.1016/0584-8547(95)01373-3.

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23

Welz, Bernhard, and Patrick Stauss. "Interferences from hydride-forming elements on selenium in hydride-generation atomic absorption spectrometry with a heated quartz tube atomizer." Spectrochimica Acta Part B: Atomic Spectroscopy 48, no. 8 (July 1993): 951–76. http://dx.doi.org/10.1016/s0584-8547(05)80002-3.

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24

Wang, Xiaoru, and Ramon M. Barnes. "A mathematical model for continuous hydride generation with inductively coupled plasma spectrometry—II. pH dependence of hydride forming elements." Spectrochimica Acta Part B: Atomic Spectroscopy 42, no. 1-2 (January 1987): 139–56. http://dx.doi.org/10.1016/0584-8547(87)80057-5.

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25

Guo, Xiao-wei. "Automatic determination of mercury, arsenic, and other hydride-forming elements by atomic-fluorescence spectrometry." Laboratory Robotics and Automation 12, no. 2 (2000): 67–73. http://dx.doi.org/10.1002/(sici)1098-2728(2000)12:2<67::aid-lra3>3.0.co;2-v.

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26

Matusiewicz, Henryk, and Mariusz Ślachciński. "Analytical Evaluation of an Integrated Ultrasonic Nebulizer-hydride Generator System for Simultaneous Determination of Hydride and Non-hydride Forming Elements by Microwave Induced Plasma Spectrometry." Spectroscopy Letters 43, no. 6 (August 17, 2010): 474–85. http://dx.doi.org/10.1080/00387010903360040.

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27

Tian, Xiao-Dan. "Movable reduction bed hydride generator coupled with inductively coupled plasma optical emission spectrometry for the determination of some hydride forming elements†." Analyst 123, no. 4 (1998): 627–32. http://dx.doi.org/10.1039/a707098e.

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28

Petrick, K., and V. Krivan. "Interferences of hydride forming elements and of mercury in the determination of antimony, arsenic, selenium and tin by hydride-generation AAS." Fresenius' Zeitschrift für analytische Chemie 327, no. 3-4 (January 1987): 338–42. http://dx.doi.org/10.1007/bf00491838.

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29

Parisis, Nicolaos E., and Aubin Heyndrickx. "Method for improving the sensitivity and reproducibility of hydride-forming elements by atomic absorption spectrometry." Analyst 111, no. 3 (1986): 281. http://dx.doi.org/10.1039/an9861100281.

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30

Cermak, J., and L. Kral. "Alloying of Mg/Mg2Ni eutectic by chosen non-hydride forming elements: Relation between segregation of the third element and hydride storage capacity." Journal of Power Sources 197 (January 2012): 116–20. http://dx.doi.org/10.1016/j.jpowsour.2011.09.045.

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31

Hassler, J., R. Matschat, S. Richter, P. Barth, A. K. Detcheva, and H. J. Waarlo. "Determination of 22 trace elements in high-purity copper including Se and Te by ETV-ICP OES using SF6, NF3, CF4and H2as chemical modifiers." J. Anal. At. Spectrom. 31, no. 3 (2016): 642–57. http://dx.doi.org/10.1039/c5ja00240k.

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Experiments with SF₆, NF₃, CF₄and H₂as new modifier gases for the matrix studied were performed. Pre-treatment steps of sub-samples (e.g., roasting) can now be omitted; the scope of application was enlarged to Au and hydride forming elements (such as Se, Te).

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32

Kamegawa, Atsunori, Ryoichi Namba, and Masuo Okada. "Effects of Additional Elements on Hydrogen Storage Properties for Vanadium Alloys." Materials Science Forum 879 (November 2016): 885–90. http://dx.doi.org/10.4028/www.scientific.net/msf.879.885.

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The effects of effects of additional elements on hydrogen storage properties and crystal structures for vanadium alloys and their hydrides were investigated in order to obtain high hydrogen capacity. With increasing Cr content in V-xCr binary alloys, fully hydrogen content of the alloys slightly decreased until less than 9 at.%Cr. A clear distinction of the PC isotherm curves between the 15 at.%Cr alloy and the other alloys is observed. V alloys with an excessive Cr addition would come not to form gamma hydride (dihydride). This led the drastic decrement of the hydrogen content in the alloys. Meanwhile, the Cr addition in V alloys was effective to low hydrogen concentration in unstabilizing the beta hydride phases. In addition, it was found that the addition of X elements in V-Cr alloys (X=Al. Mo, Ti, W) was effective to expand the gamma-phase forming range of Cr amounts. As the results, high reversible hydrogen-capacity, 2.68mass% H was obtained in a V-18Cr-2Ti-0.5Al alloy.

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33

Overduin, Sarah D., and Ian D. Brindle. "Determination of hydride-forming elements in high purity coppers by inductively coupled plasma atomic emission spectrometry." Journal of Analytical Atomic Spectrometry 16, no. 3 (2001): 289–92. http://dx.doi.org/10.1039/b007377f.

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34

Eid, M. A., H. R. Moustafa, E. A. Al Ashkar, and S. S. Ali. "Application of a wall-stabilized argon plasma arc for the determination of some volatile hydride-forming elements." Spectrochimica Acta Part B: Atomic Spectroscopy 61, no. 4 (April 2006): 450–53. http://dx.doi.org/10.1016/j.sab.2005.11.010.

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35

Benzo, Zully, Domingo Maldonado, José Chirinos, Eunice Marcano, Clara Gómez, Manuelita Quintal, and Janeth Salas. "Performance of a Dual Sample Introduction System with Conventional Concentric Nebulizers for Simultaneous Determination of Hydride and Non-Hydride Forming Elements by ICP-OES." Instrumentation Science & Technology 36, no. 6 (October 27, 2008): 598–610. http://dx.doi.org/10.1080/10739140802448275.

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36

Ek, Paul, Stig-Göran Huldén, and Ari Ivaska. "Sequential injection analysis system for the determination of hydride-forming elements by direct current plasma atomic emission spectrometry." J. Anal. At. Spectrom. 10, no. 2 (1995): 121–26. http://dx.doi.org/10.1039/ja9951000121.

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37

Khyzhnyak, V. G., A. I. Dudka, I. I. Bilyk, O. V. Khyzhnyak, and M. V. Arshuk. "Protective Coatings on Steel Tytanoalitovani 40X13." Фізика і хімія твердого тіла 16, no. 3 (September 15, 2015): 593–98. http://dx.doi.org/10.15330/pcss.16.3.593-598.

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Past studies on application to the surface of steel 40X13 multi tytanoalitovanyh coatings in containers of consumable shutter using a mixture of powders of titanium, aluminum; titanium hydride; tytanoalituvannya steel 40X13 with pre-deposited TiN layer; tytanoalituvannya pre-nitrided steel among ammonia. The possibility of forming coatings on steel 40X13 involving compounds Ti4Fe2O, FeTiAl, TiN, TiC and transition zone. Established distribution of chemical elements and microhardness thickness diffusion coatings. The maximum microhardness detected for layers Tees - 31,0-34,0 GPa; TiN layers for - 19,5-22,5 GPa; for the zone Ti4Fe2O, FeTiAl - 5,0-7,0 GPa.

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38

FUNG, Y. S., E. S. F. CHEUNG, and S. L. K. TSANG. "Trace Analysis of Hydride-Forming Metallic Elements and Heavy Metals Using Graphite Furnace Capacitively Coupled Plasma-Atomic Emission Spectrometry." Analytical Sciences 13, Supplement (1997): 379–82. http://dx.doi.org/10.2116/analsci.13.supplement_379.

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39

Yabutani, Tomoki, Shan Ji, Fumihiko Mouri, Akihide Itoh, Koichi Chiba, and Hiroki Haraguchi. "Simultaneous Multielement Determination of Hydride- and Oxoanion-Forming Elements in Seawater by Inductively Coupled Plasma Mass Spectrometry after Lanthanum Coprecipitation." Bulletin of the Chemical Society of Japan 73, no. 4 (April 2000): 895–901. http://dx.doi.org/10.1246/bcsj.73.895.

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40

Ribeiro, Anderson Schwingel, Mariana Antunes Vieira, and Adilson José Curtius. "Determination of hydride forming elements (As, Sb, Se, Sn) and Hg in environmental reference materials as acid slurries by on-line hydride generation inductively coupled plasma mass spectrometry." Spectrochimica Acta Part B: Atomic Spectroscopy 59, no. 2 (February 2004): 243–53. http://dx.doi.org/10.1016/j.sab.2003.12.016.

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41

Seyed Reza Yousefi and Ehsan Zolfonoun. "A Novel Online Hydride Generation Technique for the Simultaneous Determination of Ultra Trace Amounts of Hydride Forming Elements in Water Samples by Inductively Coupled Plasma Optical Emission Spectrometry." Journal of Analytical Chemistry 75, no. 5 (May 2020): 595–99. http://dx.doi.org/10.1134/s1061934820050196.

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42

de La Calle-GuntiN̄as, M. B., R. Torralba, Y. Madrid, M. A. Palacios, M. Bonilla, and C. Cámara. "A study of hydride forming elements in the determination of As by hydride generation atomic absorption spectrometry and minimization of Sb and Se interference by α-hydroxyacids and KI." Spectrochimica Acta Part B: Atomic Spectroscopy 47, no. 10 (September 1992): 1165–72. http://dx.doi.org/10.1016/0584-8547(92)80109-t.

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43

Song, Myoung Youp, Young Jun Kwak, and Hye Ryoung Park. "Influences of the Addition of Hydride-Forming Elements and Oxide and HydridingDehydriding Cycling on the Hydriding and Dehydriding Characteristics of Mg." Korean Journal of Metals and Materials 50, no. 5 (May 5, 2010): 375–81. http://dx.doi.org/10.3365/kjmm.2012.50.5.375.

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44

Maher, William, Frank Krikowa, Jason Kirby, Ashley T. Townsend, and Peter Snitch. "Measurement of Trace Elements in Marine Environmental Samples using Solution ICPMS. Current and Future Applications." Australian Journal of Chemistry 56, no. 3 (2003): 103. http://dx.doi.org/10.1071/ch02203.

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The strengths and weaknesses of using inductively coupled plasma mass spectrometer (ICPMS) measurements of samples in solution for marine environmental analyses using real world examples is discussed. ICPMS can detect nanogram per litre concentrations of trace elements but suffers from polyatomic interferences generated from the sample matrix. Most of the routine trace elements measured in marine biological tissue and sedimentdigests, with the notable exceptions of iron, chromium, vanadium, and selenium, are not subject to severe interferences. Low recoveries of trace elements from sediments are due to the inability of extraction acids to remove trace elements such as chromium and nickel from sediment matrices. The use of ICPMS offers the advantage that elements such as phosphorus, which previously required elaborate digestion procedures and a colorimetric determination, can be rapidly determined using nitric acid digestion alone. The use of flow injection coupled with ICPMS allows on-line preconcentration of trace metals and metalloids using chelation by ion-exchange resins or hydride generation and trapping as well as separation from matrix elements. Thus, the routine determination of trace elements and inorganic and methylated arsenic, antimony, mercury, and germanium species in open-ocean waters is possible. The coupling of HPLC and GC to ICPMS allows the measurement of metal and metalloid species in biological and sediment extracts. However, extraction of unaltered species from matrices presents a challenge. Many of the species found in the environmental samples are not known and analytical standards are not available. The concurrent use of HPLC-MS is needed to confirm these species.

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45

Mohrbacher, Hardy. "Martensitic Automotive Steel Sheet - Fundamentals and Metallurgical Optimization Strategies." Advanced Materials Research 1063 (December 2014): 130–42. http://dx.doi.org/10.4028/www.scientific.net/amr.1063.130.

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Martensitic sheet steel is increasingly being used in advanced car body construction, especially in areas where high crash loads are expected. Using such steels appropriately the weight of individual components can be reduced by up to 20 percent. Martensitic steel sheet is commercially available in the strength range of 1200 to 1900 MPa, either as cold forming or hot stamping grade. Whereas the strength of such martensitic steels is practically only a function of the carbon content, other properties such as ductility, toughness, bendability and delayed cracking resistance are severely influenced by other alloying elements and the particular thermal processing route. The paper discusses the influence of various key-alloying elements such as Nb, Mo and B on these properties and suggests routes to optimize the steel’s behavior with respect to the manufacturing and application related aspects.Keywords Martensite, prior austenite grain size, delayed cracking, grain boundary segregation, hydrogen trapping, niobium, molybdenum

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46

Stockwell, P. B., and W. T. Corns. "The role of atomic fluorescence spectrometry in the automatic environmental monitoring of trace element analysis." Journal of Automatic Chemistry 15, no. 3 (1993): 79–84. http://dx.doi.org/10.1155/s1463924693000136.

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Considerable attention has been drawn to the environmental levels of mercury, arsenic, selenium and antimony in the last decade. Legislative and environmental pressure has forced levels to be lowered and this has created an additional burden for analytical chemists. Not only does an analysis have to reach lower detection levels, but it also has to be seen to be correct. Atomic fluorescence detection, especially when coupled to vapour generation techniques, offers both sensitivity and specificity.Developments in the design of specified atomic fluorescence detectors for mercury, for the hydride-forming elements and also for cadmium, are described in this paper. Each of these systems is capable of analysing samples in the part per trillion (ppt) range reliably and economically. Several analytical applications are described.

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47

Bings, Nicolas H., Zsolt Stefánka, and Sergio Rodrı́guez Mallada. "Flow injection electrochemical hydride generation inductively coupled plasma time-of-flight mass spectrometry for the simultaneous determination of hydride forming elements and its application to the analysis of fresh water samples." Analytica Chimica Acta 479, no. 2 (March 2003): 203–14. http://dx.doi.org/10.1016/s0003-2670(02)01526-x.

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48

Matusiewicz, Henryk, and Mariusz Ślachciński. "Simultaneous determination of hydride forming (As, Bi, Ge, Sb, Se, Sn) and Hg and non-hydride forming (Ca, Fe, Mg, Mn, Zn) elements in sonicate slurries of analytical samples by microwave induced plasma optical emission spectrometry with dual-mode sample introduction system." Microchemical Journal 86, no. 1 (June 2007): 102–11. http://dx.doi.org/10.1016/j.microc.2006.12.002.

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49

Matusiewicz, Henryk, and Mariusz Ślachciñski. "Simultaneous determination of hydride forming elements (As, Sb, Se, Sn) and Hg in sonicate slurries of biological and environmental reference materials by hydride generation microwave induced plasma optical emission spectrometry (SS-HG-MIP-OES)." Microchemical Journal 82, no. 1 (January 2006): 78–85. http://dx.doi.org/10.1016/j.microc.2005.08.001.

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50

Tsalev, Dimiter L., Alessandro D'Ulivo, Leonardo Lampugnani, Marco di Marco, and Roberto Zamboni. "Thermally stabilized iridium on an integrated, carbide-coated platform as a permanent modifier for hydride-forming elements in electrothermal atomic absorption spectrometry. Part 2. Hydride generation and collection, and behaviour of some organoelement species." Journal of Analytical Atomic Spectrometry 11, no. 10 (1996): 979. http://dx.doi.org/10.1039/ja9961100979.

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