specific surface area

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• Specific surface area — is a material property of solids which measures the total surface area per unit of mass [http://goldbook.c60.kiev.ua/S05806.pdf IUPAC Compendium of Chemical Terminology 2nd Edition (1997)] , solid or bulk volume… …   Wikipedia

• Surface area — is the measure of how much exposed area an object has. It is expressed in square units. If an object has flat faces, its surface area can be calculated by adding together the areas of its faces. Even objects with smooth surfaces, such as spheres …   Wikipedia

• Specific surface energy — specific surface energy, also known as surface free energy, is the amount of increase of free energy when the area of surface increases by every unit area. It can be calculate using Stefan s formula. Specific surface energy is the same as surface …   Wikipedia

• specific surface — noun : the ratio of the total surface of a substance (as an adsorbent) to its volume : surface area (as of a finely divided powder) per unit mass …   Useful english dictionary

• Cation-exchange capacities and specific surface areas of clay minerals — ▪ Table Cation exchange capacities and specific surface areas of clay minerals mineral cation exchange capacity at pH 7 (milliequivalents per 100 grams) specific surface area (square metre per gram) kaolinite 3–15 5–40 halloysite (hydrated) 40–50 …   Universalium

• Air permeability specific surface — The air permeability specific surface of a powder material is a single parameter measurement of the fineness of the powder. The specific surface is derived from the resistance to flow of air (or some other gas) through a porous bed of the powder …   Wikipedia

• surface analysis — ▪ chemistry Introduction       in analytical chemistry (chemistry), the study of that part of a solid that is in contact with a gas or a vacuum. When two phases of matter are in contact, they form an interface. The term surface is usually… …   Universalium

• Surface tension — For the work of fiction, see Surface Tension (short story). Surface tension is a property of the surface of a liquid that causes it to behave as an elastic sheet. It allows insects, such as the water strider (pond skater, UK), to walk on water.… …   Wikipedia

• area — 1. [TA] Any circumscribed surface or space. 2. All of the part supplied by a given artery or nerve. 3. A part of an organ having a special function, as the motor a. of the brain. SEE ALSO …   Medical dictionary

• Area bombardment — Aerial area bombardment is the policy of indiscriminate bombing of an enemy s cities, for the purpose of destroying the enemy s means of producing military materiel, communications, government centres and civilian morale. It differs from the use… …   Wikipedia

• Surface enhanced Raman spectroscopy — Surface Enhanced Raman Spectroscopy, or Surface Enhanced Raman Scattering, often abbreviated SERS, is a surface sensitive technique that results in the enhancement of Raman scattering by molecules adsorbed on rough metal surfaces. The enhancement …   Wikipedia