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When the dissolution rate of a pure substance is normalized to the surface area of the solid (which usually changes with time during the dissolution process), then it is expressed in kg/m 2 s and referred to as "intrinsic dissolution rate". The intrinsic dissolution rate is defined by the United States Pharmacopeia. Dissolution rates vary by ...
People under 25 and women may process alcohol more slowly. [105] Food such as fructose can increase the rate of alcohol metabolism. The effect can vary significantly from person to person, but a 100 g dose of fructose has been shown to increase alcohol metabolism by an average of 80%.
Flambé is a technique where alcohol, such as brandy, is poured on top of a dish and then ignited to create a visual presentation. [3]A variation of the flambé tradition is employed in Japanese teppanyaki restaurants where a spirit is poured onto the griddle and then lit, providing both a dramatic start to the cooking, and a residue on the griddle which indicates to the chef which parts of ...
Solvation or dissolution is a kinetic process and is quantified by its rate. Solubility quantifies the dynamic equilibrium state achieved when the rate of dissolution equals the rate of precipitation. The consideration of the units makes the distinction clearer. The typical unit for dissolution rate is mol/s.
Food physical chemistry concepts are often drawn from rheology, theories of transport phenomena, physical and chemical thermodynamics, chemical bonds and interaction forces, quantum mechanics and reaction kinetics, biopolymer science, colloidal interactions, nucleation, glass transitions, and freezing, [8] [9] disordered/noncrystalline solids.
The particle size reduction increases the specific surface area and the dissolution rate and does not affect solubility. The rate of dissolution may also be altered by choosing a suitable polymorph of a compound. Different polymorphs have different solubility and dissolution rate characteristics. Specifically, crystalline forms dissolve slower ...
The term alcohol originally referred to the primary alcohol ethanol (ethyl alcohol), which is used as a drug and is the main alcohol present in alcoholic drinks. The suffix -ol appears in the International Union of Pure and Applied Chemistry (IUPAC) chemical name of all substances where the hydroxyl group is the functional group with the ...
Substance A and B are somewhat homogenous in a system prior to the introduction of substance C. [10] At the beginning of the leaching process, substance C will work at dissolving the surficial substance B at a fairly high rate. [1] The rate of dissolution will decrease substantially once it needs to penetrate through the pores of substance A in ...