colloidal silica

См. также в других словарях:

• Colloidal silica — Colloidal silicas are suspensions of fine amorphous, nonporous, and typically spherical silica particles in a liquid phase. Contents 1 Properties 2 Manufacture 3 Applications 4 See also …   Wikipedia

• silica gel — n colloidal silica resembling coarse white sand in appearance but possessing many fine pores and therefore extremely adsorbent * * * a purified form of silica (silicon dioxide) obtained by the reaction of sodium silicate with a mineral acid; used …   Medical dictionary

• Colloidal crystal — A colloidal crystal is an ordered array of colloid particles, analogous to a standard crystal whose repeating subunits are atoms or molecules.[1] A natural example of this phenomenon can be found in the gem opal, where spheres of silica assume a… …   Wikipedia

• Silica fume — Not to be confused with fumed silica. Silica fume, 380m²/g Silica fume, also known as microsilica, is a fine grain, thin, and very high surface area silica. It is sometimes confused with fumed silica (also known as pyrogenic silica) and colloidal …   Wikipedia

• silica aerogel — noun : colloidal silica in the form of a fine lightweight powder with grains having minute pores that is made from silica gel and used chiefly as thermal insulation especially at low temperatures (as in refrigerators) …   Useful english dictionary

• silica gel — noun Date: 1919 colloidal silica resembling coarse white sand in appearance but possessing many fine pores and therefore extremely adsorbent …   New Collegiate Dictionary

• Colloïdal — Colloïde Le lait est une solution colloïdale de globules gras dans une solution à base d eau. Un colloïde est une substance sous forme de liquide ou galénique semi solide sous laquelle peuvent se présenter des préparations pharmaceutiques,… …   Wikipédia en Français

• colloidal silicon dioxide — [NF] a submicroscopic fumed silica prepared by the vapor phase hydrolysis of a silicon compound; used as a tablet diluent and as a suspending and thickening agent …   Medical dictionary

• État colloïdal — Colloïde Le lait est une solution colloïdale de globules gras dans une solution à base d eau. Un colloïde est une substance sous forme de liquide ou galénique semi solide sous laquelle peuvent se présenter des préparations pharmaceutiques,… …   Wikipédia en Français

• Silicon dioxide — Silica redirects here. For other uses, see Silica (disambiguation). Silicon dioxide …   Wikipedia

• Nanoparticle — In nanotechnology, a particle is defined as a small object that behaves as a whole unit in terms of its transport and properties. Particles are further classified according to size[1] : in terms of diameter, coarse particles cover a range… …   Wikipedia