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Zeitschriftenartikel zum Thema „Lead silicate“

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Veröffentlicht am 25. Mai 2024

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1

Li, Bofu, Benjamin F. Trueman, Javier M. Locsin, Yaohuan Gao, Mohammad Shahedur Rahman, Yuri Park und Graham A. Gagnon. „Impact of sodium silicate on lead release from lead(ii) carbonate“. Environmental Science: Water Research & Technology 7, Nr. 3 (2021): 599–609. http://dx.doi.org/10.1039/d0ew00886a.

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Sodium silicate has been used to control lead levels in drinking water, but there is little theoretical support for this practice. We find that sodium silicate is not effective in controlling lead release from lead(ii) carbonate.

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2

Dunn, Pete J. „The lead silicates from Franklin, New Jersey: occurrence and composition“. Mineralogical Magazine 49, Nr. 354 (Dezember 1985): 721–27. http://dx.doi.org/10.1180/minmag.1985.049.354.12.

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AbstractThe lead silicate minerals from Franklin, New Jersey, occurred in two separate assemblages. One of these is characterized by esperite associated with hardystonite and occasional larsenite. The second assemblage can be considered as two parts: one consists of margarosanite, barysilite, nasonite, and ganomalite; the other contains roeblingite and hancockite, together with a number of highly hydrated phases. Chemical analyses indicate that these species conform to their theoretical compositions. There are no simple lead silicates at Franklin; all are compound silicates of Pb with Mn, Zn, and Ca.

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3

Zhang, Z., und R. G. Reddy. „Viscosities of lead silicate slags“. Mining, Metallurgy & Exploration 19, Nr. 1 (Februar 2002): 37–42. http://dx.doi.org/10.1007/bf03402899.

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4

Lehman, Richard L. „Lead-Ion Stability in Soda-Lime Lead Silicate Glasses“. Journal of the American Ceramic Society 75, Nr. 8 (August 1992): 2194–99. http://dx.doi.org/10.1111/j.1151-2916.1992.tb04483.x.

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5

M. Al-Nasrawy, Dunia K. „Microstructure properties of lead silicate glasses“. Iraqi Journal of Physics (IJP) 13, Nr. 28 (04.02.2019): 91–99. http://dx.doi.org/10.30723/ijp.v13i28.246.

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In the present work, lead silicate glasses have been prepared withdifferent amount of lead oxide content. Structure properties such asX-ray diffraction, AFM, and FTIR analyses have been done. Theexceeding of PbO content more than 25wt% revealed a decreasing indensity. The X- ray revealed that the strongest peak related toHexagonal silica dioxide and the other crystal phases formed wererelated to silica oxide (SiO2) and lead oxide (PbO). Growth anddecayed phases in X-ray have been observed with changing leadoxide content. Homogeneous surface was obtained using AFManalyzer with an average diameter around 100 nm. Infrared spectrumis characterized by the presence of large absorption band between1200 and 900cm-1 and have its maximum at 1080 cm-1 which istypical to stretching vibrations of Si–O–Si bonds, another bandsnoticed were attributed to Pb–O–Pb, Pb–O–Si, [AlO4]-tetrahedron,and to Si–O–Al bond.

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6

Long, X. C., und S. R. J. Brueck. „Large photosensitivity in lead–silicate glasses“. Applied Physics Letters 74, Nr. 15 (12.04.1999): 2110–12. http://dx.doi.org/10.1063/1.123772.

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7

Wang, Pengfei, Jonathan Ward, Yong Yang, Xian Feng, Gilberto Brambilla, Gerald Farrell und Síle Nic Chormaic. „Lead-silicate glass optical microbubble resonator“. Applied Physics Letters 106, Nr. 6 (09.02.2015): 061101. http://dx.doi.org/10.1063/1.4908054.

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8

Stefanovskii, S. V., A. A. Minaev und F. A. Lifanov. „Lead-silicate glasses with sodium sulfate“. Glass and Ceramics 46, Nr. 4 (April 1989): 142–45. http://dx.doi.org/10.1007/bf00676457.

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9

Liu, Liping. „Infrared spectroscopy on lead silicate glass“. Zeitschrift f�r Physik B Condensed Matter 90, Nr. 4 (Dezember 1993): 393–99. http://dx.doi.org/10.1007/bf01308818.

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10

Crichton, S. N., und C. T. Moynihan. „Structural relaxation of lead silicate glass“. Journal of Non-Crystalline Solids 102, Nr. 1-3 (Juni 1988): 222–27. http://dx.doi.org/10.1016/0022-3093(88)90134-2.

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11

Woszczynski, Meghan, John Bergese, Sarah Jane Payne und Graham A. Gagnon. „Comparison of sodium silicate and phosphate for controlling lead release from copper pipe rigs“. Canadian Journal of Civil Engineering 42, Nr. 11 (November 2015): 953–59. http://dx.doi.org/10.1139/cjce-2015-0235.

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This study compared sodium silicate and zinc orthophosphate for their ability to decrease lead and copper release from pilot-scale premise plumbing in low alkalinity (<5 mg/L CaCO3) water. The study used pipe loops (to age the water) connected to copper pipe rigs. The copper pipe rigs were constructed using 50:50 lead:tin solder, which provided the only source of lead. Three different treatments were compared, using the same source water: phosphate (0.8 mg-PO4/L at pH 7.3), sodium silicate with pH control (18 mg-Si/L at pH 7.3), and sodium silicate (18 mg-Si/L at pH 6.3). Lead and copper levels (both total and dissolved) were measured following the copper pipe rig after two different stagnation times (24 h, 30 min). The phosphate treatment consistently resulted in significantly lower lead release compared to sodium silicate at the same pH of 7.3. The phosphate treated pipe rigs released 12 μg/L and 2 μg/L lead following the 24 h and 30 min stagnation times, respectively. The sodium silicate with pH control system released 46 μg/L and 6.7 μg/L lead following 24 h and 30 min stagnation time, respectively. The sodium silicate treated pipe rigs released 27.4 and 4.6 μg/L lead following the 24 h and 30 min stagnation time, respectively. The phosphate treatment also consistently released less copper than both the sodium silicate with pH control treatment and the sodium silicate treatment. However, more lead particles were observed in the phosphate treatment compared to either of the sodium silicate treatments. The difference in performance between the sodium silicate corrosion inhibitor at two different pH levels, suggests that the performance of sodium silicate could be further optimized.

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12

Hawthorne, Frank C., Yulia A. Uvarova und Elena Sokolova. „A structure hierarchy for silicate minerals: sheet silicates“. Mineralogical Magazine 83, Nr. 1 (09.11.2018): 3–55. http://dx.doi.org/10.1180/mgm.2018.152.

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AbstractThe structure hierarchy hypothesis states that structures may be ordered hierarchically according to the polymerisation of coordination polyhedra of higher bond-valence. A hierarchical structural classification is developed for sheet-silicate minerals based on the connectedness of the two-dimensional polymerisations of (TO4) tetrahedra, where T = Si4+ plus As5+, Al3+, Fe3+, B3+, Be2+, Zn2+ and Mg2+. Two-dimensional nets and oikodoméic operations are used to generate the silicate (sensu lato) structural units of single-layer, double-layer and higher-layer sheet-silicate minerals, and the interstitial complexes (cation identity, coordination number and ligancy, and the types and amounts of interstitial (H2O) groups) are recorded. Key aspects of the silicate structural unit include: (1) the type of plane net on which the sheet (or parent sheet) is based; (2) the u (up) and d (down) directions of the constituent tetrahedra relative to the plane of the sheet; (3) the planar or folded nature of the sheet; (4) the layer multiplicity of the sheet (single, double or higher); and (5) the details of the oikodoméic operations for multiple-layer sheets. Simple 3-connected plane nets (such as 63, 4.82 and 4.6.12) have the stoichiometry (T2O5)n (Si:O = 1:2.5) and are the basis of most of the common rock-forming sheet-silicate minerals as well as many less-common species. Oikodoméic operations, e.g. insertion of 2- or 4-connected vertices into 3-connected plane nets, formation of double-layer sheet-structures by (topological) reflection or rotation operations, affect the connectedness of the resulting sheets and lead to both positive and negative deviations from Si:O = 1:2.5 stoichiometry. Following description of the structural units in all sheet-silicate minerals, the minerals are arranged into decreasing Si:O ratio from 3.0 to 2.0, an arrangement that reflects their increasing structural connectivity. Considering the silicate component of minerals, the range of composition of the sheet silicates completely overlaps the compositional ranges of framework silicates and most of the chain-ribbon-tube silicates.

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13

Shrikhande, V. K., T. Mirza, B. B. Sawant, A. K. Sinha und G. P. Kothiyal. „Micro hardness measurements on lead silicate glass“. Bulletin of Materials Science 21, Nr. 6 (Dezember 1998): 493–97. http://dx.doi.org/10.1007/bf02790352.

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14

Wang, P. W., L. P. Zhang, N. Borgen und K. Pannell. „Radiation effects on lead silicate glass surfaces“. Journal of Materials Science 31, Nr. 11 (Juni 1996): 3015–20. http://dx.doi.org/10.1007/bf00356017.

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15

Eremina, A. F., O. R. Archegova, R. S. Esenov und A. T. Nakusov. „Reducibility of PbO in Lead Silicate Glasses“. Technical Physics 63, Nr. 7 (Juli 2018): 1073–78. http://dx.doi.org/10.1134/s1063784218070125.

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16

Zatsepin, A. F., A. I. Kukharenko, E. A. Buntov, V. A. Pustovarov und S. O. Cholakh. „Low-temperature luminescence of lead silicate glass“. Glass Physics and Chemistry 36, Nr. 2 (April 2010): 166–70. http://dx.doi.org/10.1134/s1087659610020033.

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17

Tong, Guoqing, Wentao Song, Luis K. Ono und Yabing Qi. „From film to ring: Quasi-circular inorganic lead halide perovskite grain induced growth of uniform lead silicate glass ring structure“. Applied Physics Letters 120, Nr. 16 (18.04.2022): 161604. http://dx.doi.org/10.1063/5.0085137.

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Polycrystalline properties of perovskites can induce the growth of different nanostructures, thanks to their facile fabrication. In this work, the CsPb2Br5 perovskite grains were used as templates to induce the growth of the ring-like structures on a SiO2/Si substrate. Owing to the oxidation of the volatile PbBr2 originated from the decomposition of CsPb2Br5, the grain boundaries of perovskites are prone to reaction with SiO2, which leads to the formation of Pb-silicate glass at high temperatures. The quasi-circular grain structure of CsPb2Br5 defines the final dimension of the Pb-silicate glass ring-like structures. X-ray photoelectron spectroscopy (XPS) measurement results reveal the formation and composition of the Pb-silicate glass ring-like structures converting from the halide perovskite film on the SiO2/Si substrate. Furthermore, these ring-like structures can extend to the field of display and pulsed-laser by combining existing techniques.

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18

Mishrra, Anushka, Ziqi Wang, Vicky Sidorkiewicz und Daniel E. Giammar. „Effect of sodium silicate on lead release from lead service lines“. Water Research 188 (Januar 2021): 116485. http://dx.doi.org/10.1016/j.watres.2020.116485.

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19

Zahra, A. M., C. Y. Zahra und B. Piriou. „DSC and Raman studies of lead borate and lead silicate glasses“. Journal of Non-Crystalline Solids 155, Nr. 1 (März 1993): 45–55. http://dx.doi.org/10.1016/0022-3093(93)90470-i.

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20

Ashkhotov, O. G., und I. B. Ashkhotova. „INVESTIGATION OF THE INTERACTION OF LEAD-SILICATE GLASSES WITH BARIUM HYDROXIDE“. Steklo i Keramika, Nr. 2 (2022): 8–11. http://dx.doi.org/10.14489/glc.2022.02.pp.008-011.

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The effect of alkaline treatment on the destruction process and some surface characteristics of mechanically processed glass discs of lead-silicate glasses C87-2 and C78-4 has been studied. It is shown that the interaction of these glasses with barium hydroxide leads to the removal of silicic acid from the gel surface, which in turn improves the water wettability and optical transparency of the glasses. It is proposed in the production technology of electric vacuum devices, where lead-silicate glasses are used, to use washing with barite water for rapid coagulation of silica gel, which eliminates the appearance of foreign particles on the surface of the glasses.

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21

Sava, Bogdan Alexandru, Adriana Diaconu, Luminita Daniela Ursu, Lucica Boroica, M. Elisa, Cristiana Eugenia Ana Grigorescu, Ileana Cristina Vasiliu et al. „Ecological Silicate Glasses“. Advanced Materials Research 39-40 (April 2008): 667–70. http://dx.doi.org/10.4028/www.scientific.net/amr.39-40.667.

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The investigated ecological glasses with no toxic compounds, such as BaO, PbO, As2O3, As2O5, fluorine, CdS and CdSe in their composition are located in ternary and quaternary oxide systems: ZnO-SiO2-TiO2 and SiO2-R'2O-R''O-R'''O2, where R' is Na or K, R'' is Ca or Mg and R''' is Zr or Ti. The first system contains P2O5, ZnO and TiO2 in order to obtain opal glasses, without fluorine compounds. The second system replaces the barium oxide and lead oxide with potassium, magnesium, zirconium and titanium oxides, for materials like lead free crystals. The raw materials can be replaced by silicate or borosilicate glass waste. The advantages of borosilicate glass waste are: bringing valuable components into recipes (B2O3, CaO, Al2O3), saving raw materials and energy, creating an ecological environment The characteristic temperatures (vitreous transition point, low and high annealing points, softening point) and the thermal expansion coefficient of the glass are presented. The FTIR and Raman spectroscopy provided structural data, such as characteristic vibration maxima for silicon and titanium oxide, and revealed the role of zinc oxide in the vitreous network. The refraction index and UV-VIS transmission are discussed.

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22

INANO, Hiroyuki, Keiichi TOMITA, Tatsumi TADA und Naoki HIROYOSHI. „Lead generation and separation mechanisms from lead silicate glass by reduction-melting“. Journal of the Ceramic Society of Japan 126, Nr. 8 (01.08.2018): 595–601. http://dx.doi.org/10.2109/jcersj2.18090.

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23

Mizuno, Megumi, Masahide Takahashi, Taigo Takaishi und Toshinobu Yoko. „Leaching of Lead and Connectivity of Plumbate Networks in Lead Silicate Glasses“. Journal of the American Ceramic Society 88, Nr. 10 (Oktober 2005): 2908–12. http://dx.doi.org/10.1111/j.1551-2916.2005.00508.x.

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24

Wang, Paul W., und Lipeng Zhang. „Structural role of lead in lead silicate glasses derived from XPS spectra“. Journal of Non-Crystalline Solids 194, Nr. 1-2 (Januar 1996): 129–34. http://dx.doi.org/10.1016/0022-3093(95)00471-8.

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25

Newhouse, M. A., D. L. Weidman und D. W. Hall. „Enhanced-nonlinearity single-mode lead silicate optical fiber“. Optics Letters 15, Nr. 21 (01.11.1990): 1185. http://dx.doi.org/10.1364/ol.15.001185.

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26

SHAMIM, A., K. M. KHAN, A. AHMAD, M. SULEMAN, A. MATEEN und A. NASEEM. „Optical band gap determination in lead silicate glasses“. International Journal of Electronics 67, Nr. 2 (August 1989): 235–42. http://dx.doi.org/10.1080/00207218908921075.

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27

Shakhmin, A. L., und S. V. Murashov. „Electron structure of three-component lead-silicate glasses“. Technical Physics Letters 26, Nr. 3 (März 2000): 208–10. http://dx.doi.org/10.1134/1.1262793.

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28

Swiler, Daniel R., ARUN K. VARSHNEYA und Patricia Carville. „Strength of Lead Silicate Glass After H2 Reduction“. Journal of the American Ceramic Society 70, Nr. 4 (April 1987): C—75—C—77. http://dx.doi.org/10.1111/j.1151-2916.1987.tb04990.x.

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29

DUTTA, BIPRODAS, ROBERT H. MAGRUDER, ROBERT A. WEEKS und DONALD L. KINSER. „Electrical Condultion and Polarization in Lead Silicate Glasses“. Journal of the American Ceramic Society 71, Nr. 12 (Dezember 1988): 1100–1103. http://dx.doi.org/10.1111/j.1151-2916.1988.tb05798.x.

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30

Schultz-Münzenberg, C., W. Meisel und P. Gütlich. „Changes of lead silicate glasses induced by leaching“. Journal of Non-Crystalline Solids 238, Nr. 1-2 (September 1998): 83–90. http://dx.doi.org/10.1016/s0022-3093(98)00580-8.

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31

Zatsepin, А. F., I. S. Zhidkov, A. I. Kukharenko, D. А. Zatsepin, М. P. Andronov und S. О. Cholakh. „An intrinsic luminescence in binary lead silicate glasses“. Optical Materials 34, Nr. 5 (März 2012): 807–11. http://dx.doi.org/10.1016/j.optmat.2011.11.012.

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32

Pagonis, V., S. Mian, R. Mellinger und K. Chapman. „Thermoluminescence kinetic study of binary lead-silicate glasses“. Journal of Luminescence 129, Nr. 5 (Mai 2009): 570–77. http://dx.doi.org/10.1016/j.jlumin.2008.12.016.

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33

Capobianco, J. A., G. Prevost, P. P. Proulx, P. Kabro und M. Bettinelli. „Upconversion properties of Er3+ doped lead silicate glasses“. Optical Materials 6, Nr. 3 (September 1996): 175–84. http://dx.doi.org/10.1016/0925-3467(96)00031-6.

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34

Sartorelli, Emilio, Francesco Loi und Roberto Gori. „Lead silicate toxicity: A comparison among different compounds“. Environmental Research 36, Nr. 2 (April 1985): 420–25. http://dx.doi.org/10.1016/0013-9351(85)90035-0.

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35

Alekseeva, I. P., O. V. Atonen, V. V. Golubkov und A. A. Onushchenko. „Morphology of silicate glasses with lead sulfide nanocrystals“. Glass Physics and Chemistry 33, Nr. 6 (Dezember 2007): 527–34. http://dx.doi.org/10.1134/s1087659607060016.

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36

Chybicki, M., J. Liwo und K. Trzebiatowski. „Electrical surface conductivity modifications of lead-silicate glasses“. Physica Status Solidi (a) 115, Nr. 2 (16.10.1989): K185—K189. http://dx.doi.org/10.1002/pssa.2211150245.

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37

Cai, Hua, Yong Sun, Xian Zhang, Lei Zhang, Hui Liu, Qing Li, Tiezhu Bo, Dongzhan Zhou, Chen Wang und Jiao Lian. „Reduction Temperature-Dependent Nanoscale Morphological Transformation and Electrical Conductivity of Silicate Glass Microchannel Plate“. Materials 12, Nr. 7 (11.04.2019): 1183. http://dx.doi.org/10.3390/ma12071183.

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Lead silicate glasses are fundamental materials to a microchannel plate (MCP), which is a two dimensional array of a microscopic channel charge particle multiplier. Hydrogen reduction is the core stage to determine the electrical conductivity of lead silicate glass MCP multipliers. The nanoscale morphologies and microscopic potential distributions of silicate glass at different reduction temperatures were investigated via atomic force microscope (AFM) and Kelvin force microscopy (KFM). We found that the bulk resistance of MCPs ballooned exponentially with the spacing of conducting islands. Moreover, bulk resistance and the spacing of conducting islands both have the BiDoseResp trend dependence on the hydrogen reduction temperature. Elements composition and valence states of lead silicate glass were characterized by X-ray photoelectron spectroscopy (XPS). The results indicated that the conducting island was an assemblage of the Pb atom originated from the reduction of Pb2+ and Pb4+. Thus, this showed the important influence of the hydrogen temperature and nanoscale morphological transformation on modulating the physical effects of MCPs, and opened up new possibilities to characterize the nanoscale electronic performance of multiphase silicate glass.

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38

Mocioiu, Catalina, Georgeta Jitianu und Maria Zaharescu. „Thermal and structural characterization of the vitreous samples in the SiO2 - PbO - Na2O system“. Acta Periodica Technologica, Nr. 37 (2006): 89–95. http://dx.doi.org/10.2298/apt0637089m.

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Lead-containing glasses have been used from the ancient time. Recently, due to the possible application in optics, electronics, nuclear techniques, wastes inactivation. the interest in these types of glasses has been renewed. For lead waste inactivation, glasses with high amount of PbO in the composition are required, those exhibiting at the same time a high chemical and thermal stability. Thermal behavior of lead-silicate glasses was examined by differential thermal analysis (DTA). Infrared spectroscopy was used to investigate the structure of the glasses. The spectra were interpreted in terms of the structures of silicate group by comparison with the spectra of other silicate crystals. The DTA and infrared data were correlated with the chemical stability tests.

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39

Ahmed, Fathy M. M., Khaled A. Falous und Moktar M. Aburzeza. „Removal of Arsenic, Fluoride, and Lead from Wastewater Using Novel Polyinorganic Coagulants“. مجلة علوم البحار والتقنيات البيئية 1, Nr. 1 (30.06.2015): 1–10. http://dx.doi.org/10.59743/jmset.v1i1.135.

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The present study highlights to the removal of some dangerous pollutants such as lead, arsenic, and fluoride from wastewater. Treatment using a novel polyinorganic coagulants, the eight novel polyinorganic coagulants were prepared, and characterized namely, poly aluminum chloride (PACl) polyaluminum chloride silicate (PAClSi), polyaluminum hydroxy sulphate (PAHS), polyaluminum hydroxy sulphate silicate (PAHSSi), polyferric chloride (PFeCl), polyferric chloridesilicate (PFeClSi), polyaluminum ferric chloride (PAlFeCl), and polyaluminum ferric chloride silicate (PAlFeClSi). The application was carried out for the removal of pollutants from wastewater using these novel polyinorganic coagulants. It was found that the maximum percentages of removal of Pb2+, AS3+, and F- ions from wastewater reached 99.98, 97, and 99%, using novel polyinorganic coagulants PAHSSi, PAlFeClSi, and PAlFeClSi respectively. Therefore, polyinorganic coagulant impregnated with silica was considered as a good coagulant for wastewater treatment due to its low cost and good efficiency in this application, as well as it will solve the problem of water shortage and to sustains a non-conventional water resource.

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40

Mendiratta, Sushil Kumar. „Electrical Conduction Mechanism in Lead Borate and Lead Silicate Glasses Containing Fe Ions“. physica status solidi (a) 93, Nr. 1 (16.01.1986): 293–98. http://dx.doi.org/10.1002/pssa.2210930136.

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41

Kouznetsova, T. F., A. I. Ivanets und V. S. Komarov. „Low-temperature synthesis of mesoporous M41S metal-silicates and their adsorption and capillary-condensation properties“. Proceedings of the National Academy of Sciences of Belarus, Chemical Series 55, Nr. 3 (13.09.2019): 338–44. http://dx.doi.org/10.29235/1561-8331-2019-55-3-338-344.

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Low-temperature synthesis of the mesoporous silicates containing d-metals is carried out. The measured isotherms of low-temperature nitrogen adsorption-desorption by chrome, vanadium and zirconium silicate adsorbents belong to Type IV (b) of sorption isotherms on IUPAC classification. Such isothermal curves are inherent in mesoporous systems with the M41S type of ordering of the making elements. Increasing рН of sedimentation and metal content lead to amorphization of samples and distortion of a supramolecular lattice with uniform regular geometry and a long-range ordering.

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42

علي, سلام حسين, رولا عبد الخضر عباس und سجى اياد كاظم. „Study the Properties of Sodium Silicate Composite as a Barrier Separating Between the Internal Oil Distillation Towers and Chemical Fumes of Crude Oil“. Journal of Engineering 22, Nr. 7 (01.07.2016): 38–56. http://dx.doi.org/10.31026/j.eng.2016.07.14.

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The study of surface hardness, wear resistance, adhesion strength, electrochemical corrosion resistance and thermal conductivity of coatings composed from sodium silicate was prepared using graphite micro-size particles and carbon nano particles as fillers respectively of concentration of (1-5%), for the purpose of covering and protecting the oil distillation towers. The results showed that the sodium silicate coating reinforced with carbon nano-powder has higher resistance to stitches, mechanical wear, adhesive and thermal conductivity than graphite/sodium silicate composite especially when the ratio 5% and 1%, the electrochemical corrosion test confirmed that the coating process of stainless steel 304 lead to increasing the corrosion resistance, where the reinforcing of sodium silicate lead to a significant improvement in the corrosion resistance, the corrosion resistance behavior change depending on the type of reinforcement material, this is consistent with the field test results.

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Liu, Shijie, Suping Cui, Hongxia Guo, Yali Wang und Yan Zheng. „Adsorption of Lead Ion from Wastewater Using Non-Crystal Hydrated Calcium Silicate Gel“. Materials 14, Nr. 4 (10.02.2021): 842. http://dx.doi.org/10.3390/ma14040842.

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In order to obtain low-cost and excellent adsorption materials, this paper used calcium acetate and water glass as raw materials to synthesis hydrated calcium silicate gel by precipitation method. The performance and structure of hydrated calcium silicate gel were systematically studied by X-ray photoelectron spectroscopy, fourier transform infrared spectroscopy, specific surface area analyzer and scanning electron microscope. Studies have shown that, non-crystal hydrated calcium silicate gel (CSH) were successfully prepared, and the removal rate of lead ion using CSH reached more than 90%. The adsorption process is consistent with the pseudo-second-order kinetic model and Langmuir adsorption isotherm model, and the limit adsorption capacity reaches 263.17 mg·g−1. The acid treatment experiment proved that the adsorption capacity of lead ion using CSH was satisfactory, and the adsorption rate remained at >60% after 5 cycles. The research may provide a low-cost, high-efficiency and high stability adsorbent.

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Ashkhotov, O. G., I. B. Ashkhotova und T. T. Magkoev. „Interaction of Lead-Silicate Glasses with Caustic Soda Solutions“. Glass and Ceramics 77, Nr. 9-10 (Januar 2021): 405–6. http://dx.doi.org/10.1007/s10717-021-00316-w.

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Mocioiu, Ana-Maria, und Oana Cătălina Mocioiu. „Thermal behavior of lead silicate vitreous materials for sealants“. Manufacturing Review 8 (2021): 4. http://dx.doi.org/10.1051/mfreview/2021002.

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The objective of our investigations consists in the thermal characterization of SiO2-PbO-Na2O vitreous materials in order to establish their properties for applications mainly as sealants. In order to evaluate the vitreous material − metal adherence, the thermal expansion coefficients (α) from experimental and theoretic data were determined. The differential thermal analysis of studied materials give the information about temperatures characteristic to glass transition, crystallization and melting. Dilatometer measurements were performed in air atmosphere in order to establish thermal coefficients of the materials. Softening and flowing characteristic of the vitreous materials were established by heating microscope measurements. The difference between thermal expansion coefficient (α) of the vitreous materials (10.2 × 10−6K−1 and 17.6 × 10−6K−1) and thermal expansion coefficient of the steel substrate OL 38 (10.8 × 10−6K−1) is under 37%. This value is fit for a good adherence between materials.

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Dung, Tran Thanh, Truong Duc Quynh, Nguyen Van Yen, Mai Van Dung, Nguyen Manh Tuan und Le The Vinh. „The microstructure of liquid Lead Silicate under PbO content“. Journal of Physics: Conference Series 1706 (Dezember 2020): 012019. http://dx.doi.org/10.1088/1742-6596/1706/1/012019.

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47

Seol, Daehee, Hiroki Taniguchi, Jae-Yeol Hwang, Mitsuru Itoh, Hyunjung Shin, Sung Wng Kim und Yunseok Kim. „Strong anisotropy of ferroelectricity in lead-free bismuth silicate“. Nanoscale 7, Nr. 27 (2015): 11561–65. http://dx.doi.org/10.1039/c5nr03161c.

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48

Wang, Pengfei, Ganapathy Senthil Murugan, Timothy Lee, Xian Feng, Yuliya Semenova, Qiang Wu, Wei Loh, Gilberto Brambilla, James S. Wilkinson und Gerald Farrell. „Lead silicate glass microsphere resonators with absorption-limited Q“. Applied Physics Letters 98, Nr. 18 (02.05.2011): 181105. http://dx.doi.org/10.1063/1.3586771.

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Nikonorov, N. V., E. V. Kolobkova, V. A. Aseev, A. Yu Bibik, Ya A. Nekrasova, Yu V. Tuzova und A. I. Novogran. „Inorganic phosphors in lead–silicate glass for white LEDs“. Optics and Spectroscopy 121, Nr. 3 (September 2016): 379–83. http://dx.doi.org/10.1134/s0030400x16090162.

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50

Qiu, Sun-jie, Feng Zhou, Xian Feng, Fei Xu und Yan-qing Lu. „Lead silicate fiber-based, refractive index-independent temperature sensor“. Journal of Modern Optics 60, Nr. 10 (Juni 2013): 851–53. http://dx.doi.org/10.1080/09500340.2013.816383.

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