Results 281 to 290 of about 11,632,967 (345)
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Alunite dissolution rates: Dissolution mechanisms and implications for Mars
Geochimica et Cosmochimica Acta, 2016Abstract Alunite (KAl 3 (SO 4 ) 2 (OH) 6 ) is a hydrated aluminous sulfate mineral associated with acidic, oxidizing aqueous environments on Earth. Additionally, orbiting spacecraft and rovers on Mars have reported spectral data that indicate a range of mono- and polyhydrated sulfate phases and hydroxysulfate phases, suggesting such conditions also ...
J.L. Miller +4 more
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Dissolution Rate of Cholesterol in Monooctanoin
Hepatology, 1984Monooctanoin is used clinically for dissolution of common bile duct cholesterol gallstones. A number of factors influencing the dissolution rate of cholesterol monohydrate in this solvent were investigated. Water increased cholesterol dissolution rate in a manner inconsistent with previous solubility measurements.
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The dissolution rate of zinc pyrithione
International Journal of Cosmetic Science, 1985SynopsisA method of measuring and correlating the rate at which zinc pyrithione dissolves during a shampoo is described. The rise in zinc concentration of a solution in a stirred vessel following the introduction of a dose of zine pyrithione suspension was measured as a function of time using atomic absorption spectrophotometry. An analysis of the mass
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Variation of Crystal Dissolution Rate Based on a Dissolution Stepwave Model
Science, 2001A formulation based on defect-generated dissolution stepwaves of the variation of dissolution rate with the degree of undersaturation is validated by near-atomic-scale observations of surfaces, Monte Carlo simulations, and experimental bulk dissolution rates.
A C, Lasaga, A, Luttge
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Investigation of dissolution kinetics for high rates of dissolution
Soviet Physics Journal, 1970A procedure was developed for investigating the dissolution of crystals that rub against a substrate with the solvent, whereby the process becomes significantly intensified. A theory of the method is presented. The kinetics of dissolution of azobenzene in alcohol at different rates of substrate motion, normal loads on the crystal, and temperatures is ...
N. N. Nilova +2 more
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Hydrodynamic approach to dissolution rate
Pharmaceutisch weekblad, 1981In the pharmaceutical literature the dissolution of solids in liquids is usually described using the stagnant layer model. This model, however, does not reflect the actual situation with respect to the hydrodynamics involved. This review analyses the different hydrodynamic situations in which dissolution may take place.
H. Grijseels +2 more
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Dissolution Rates of Surfactants
2008Information on dissolution rates of surfactants is reviewed and discussed. One or more viscous liquidcrystalline phases form during dissolution in water of pure liquid nonionic surfactants of the linear alcoholethoxylate type, as expected from known equilibrium phase diagrams.
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Dissolution specifications based on release rates
Journal of Pharmaceutical Sciences, 1999A procedure based on release rates is proposed for the establishment of dissolution specifications that ensure the bioequivalence of a test and a reference product. This procedure, which confines Cmax (the maximum concentration of the drug in vivo) and AUCinfinity (the area under the time-concentration curve, extrapolated to infinity) values within any
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Localizing Dissolution Rate Spectra
Goldschmidt2022 abstracts, 2022Chandra Winardhi +2 more
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