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Silica nature

Pressure (psi) Saturation temperature (°F) Dissolved solids Suspended solids (note 1) Total alkalinity (note 2) Silica Natural Synthetic Residual phosphate Residual sulfite Residual hydrazine... [Pg.598]

A. Katz and M. E. Davis, Molecular imprinting of bulk, micro-porous silica, Nature, 2000, 403, 286. [Pg.204]

The 2003 ACGIH proposed threshold limit value-time-weighted average (TLV-TWA) for amorphous silica, natural diatomaceous earth, is lOmg/m for the inhalable particulate and 3mg/m for respirable dust containing no asbestos and <1% quartz. [Pg.626]

Katz A, Davis ME. Molecular imprinting of bulk, microporous silica. Nature 2000 403 286-289. [Pg.423]

Figure 8.5—Effect of the nature of the capillary inner wall on migration velocities If the inner wall has not been treated (glass or silica naturally have a negative polyanionic layer) the liquid is pumped from the anodic towards the cathodic reservoir. This is called the electro-osmotic flow. Thus an anion can move towards the cathode. Between pH 7 and 8. vE0S can increase by 35%. However, if the wall is coated with a nonpolar film (e.g. octadecyl) this flow does not exist. Figure 8.5—Effect of the nature of the capillary inner wall on migration velocities If the inner wall has not been treated (glass or silica naturally have a negative polyanionic layer) the liquid is pumped from the anodic towards the cathodic reservoir. This is called the electro-osmotic flow. Thus an anion can move towards the cathode. Between pH 7 and 8. vE0S can increase by 35%. However, if the wall is coated with a nonpolar film (e.g. octadecyl) this flow does not exist.
Yang, H., Coombs, N., Ozin, G. A., Morphogenesis of shapes and surface patterns in mesoporous silica. Nature 1997, 386, 692-695. [Pg.966]

For instance, H.Yang, N. Coombs, G.A. Ozin, Morphogenesis of shapes and surface patterns in mesoporous silica, Nature 386 (1997) 692-695 N. Bowden, A. Ter-fort, J. Carbeck, G. Whitesides, Self-assembly of mesoscale objects into ordered two-dimensional arrays, Science TIB (1997) 233-235. [Pg.270]

Maschmeyer, T., Rey, F., Sankar, G. and Thomas, J. M. Heterogeneous catalysts obtained by grafting metallocene complexes onto mesoporous silica, Nature, 1995,378,159-162. [Pg.35]

F. J. Norton, Permeability of Gaseous Oxygen through Vitreous Silica, Nature, 4789, 701 (1961). [Pg.301]

Katz A, Davis ME (2000) Molecular imprinting of bulk, microporous silica. Nature 403 286 Bass JD, Anderson SL, Katz A (2003) The effect of outer-sphere acidity on chemical reactivity in a synthetic heterogeneous base catalyst. Angew Chem Int ed 42 5219... [Pg.491]

Barium sulfide solutions are obtained by reduction of low silica natural heavy spar with coke or coal in rotary kilns at ca. 1250°C and leaching with water. Since all the heavy metal sulfides remain in the residue, the filtered solution can be directly used for the precipitation of the zinc salt. [Pg.559]

G.S. Attard, J.C. Glyde, and C.G. Goltner, Liquid-Crystalline Phases as Templates for the Synthesis of Mesoporous Silica. Nature (London), 1995, 378, 366-368. [Pg.586]

T. Maschmeyer, F. Rey, G. Sankar, and J.M. Thomas, Heterogeneous Catalysts Obtained by Grafting Metallocene Complexes onto Mesoporous Silica. Nature (London), 1995,378,159— 162. [Pg.586]

N.K. Mai, M. Fujiwara, and Y. Tanaka, Photocontrolled Reversible Release of Guest Molecules from Coumarin-modified Mesoporous Silica. Nature (London), 2003, 421, 350-353. [Pg.601]

Attard, G.S. Glyde, J.C. Goltner, C.G. Liquid crystalline phases as templates for the synthesis of mesoporous silica. Nature 1995, 378, 366-368. [Pg.1823]

High Purity Quartz Type 31/90, Type P, Starsil Spherical Silica - natural silica of different sizes and purity... [Pg.144]

Mesoporous MSU-X silica was synthesized with a two-step pathway, that allowed us to get a high control degree on both the final material shape and the porous size distribution. These materials were developed and tested for separating applications, including HPLC chromatography and ultrafiltration membranes. Both applications show that the specific structure of the Micellar Templated Structures exhibits a new behavior in the separation applications, compared with other materials. They are explained by the combined effect of the silica nature and the specific cylindar pore shape. [Pg.179]

Mai NK, Fujiwara M, Tanaka Y. 2003a. Photocontrolled reversible release of guest molecules from coumarinmodified mesoporous silica. Nature 421 350 353. [Pg.506]

Types silica natural and synthetic, aluminosilicate, ethylene N,N -bis-stearamide ... [Pg.64]

Tsuchida, Y. and Yagi, T. (1989) A new, post stishovite high pressure polymorph of silica Nature 340, 217-220. [Pg.78]

See other pages where Silica nature is mentioned: [Pg.369]    [Pg.625]    [Pg.317]    [Pg.90]    [Pg.35]    [Pg.172]    [Pg.761]    [Pg.46]    [Pg.569]    [Pg.180]    [Pg.593]    [Pg.559]    [Pg.74]    [Pg.433]    [Pg.534]    [Pg.150]    [Pg.150]    [Pg.151]    [Pg.860]    [Pg.35]    [Pg.225]   
See also in sourсe #XX -- [ Pg.264 , Pg.266 , Pg.268 , Pg.269 ]



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