نتایج جستجو برای: saturation solubility

تعداد نتایج: 70552  

Journal: :World Journal Of Advanced Research and Reviews 2021

Pharmaceutical field is widely focusing on solubility parameter models to select solvent or non-solvent that can enhance solvency of drug. Solubility Parameter very useful concept in understanding the mechanism and behavior with their applications pharmaceuticals open door research having focus theoretical considerations solubility. Hildebrand Hansen are frequently used identify solvents.

2010
Qin Han Charles S. Zender J. Keith Moore

4 Mineral aerosol deposition is recognized as the dominant source of iron to the open 5 ocean and solubility of iron in the dust aerosol is highly uncertain. Previous solubility 6 estimates range widely from 0.01-80%. We developed two conceptual models to solve 7 for the solubility of different particle sizes—diffusion-controlled model and surface8 controlled model. We are able to produce time ...

2007
Paul G. Seybold

A method is described for estimating solubility by fitting both solute and solvent properties in a single equation. The method is illustrated by examining the solubilities of five rare gases (He, Ne, Ar, Kr, Xe) and five 6permanent7 gases (O2, N2, CH4, CF4, SF6) in either n-alkane (C5H12 to C16H34) or alkan-1-ol (CH3OH to C11H23OH) solvents. Generally, the correlation (R2) values of the fits ac...

Journal: :Nature 1964

Journal: :Journal of the Japan Society of Colour Material 1971

2015
C. Knote A. Hodzic J. L. Jimenez

The effect of dry and wet deposition of semivolatile organic compounds (SVOCs) in the gas phase on the concentrations of secondary organic aerosol (SOA) is reassessed using recently derived water solubility information. The water solubility of SVOCs was implemented as a function of their volatility distribution within the WRFChem regional chemistry transport model, and simulations were carried ...

Journal: :iranian endodontic journal 0
mohammad ali saghiri islamic azad university of medical sciences jack ricci , new york university morteza daliri joupari 3. national institute for genetic engineering and biotechnology mohammad aeinehchi islamic azad university of medical sciences kamran ahmadi 5. material and energy research center (merc), karaj, iran niloofar bahramian islamic azad university of medical sciences

introduction : solubility of root filling materials is heavily influenced by the environment they are in contact with. this study compared the solubility of proroot mta in deionized water and synthetic tissue fluid. materials & methods: forty specimens of prepared mta were immersed in deionized water and synthetic tissue fluid (20 samples each). the solubility was assessed after 7 and 28 days. ...

2014
C. Knote A. Hodzic J. L. Jimenez

This discussion paper is/has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP if available. Abstract The effect of dry and wet deposition of semi-volatile organic compounds (SVOC) in the gas-phase on the concentrations of secondary organic aerosol (SOA) is reassessed using recently derived water solubility informatio...

2006
S. S. Johnson M. T. Zuber

Introduction: A building body of evidence from recent Mars exploration missions suggests that sulfur chemistry may have played a prominent role in the planet’s early evolution. Although the Martian atmosphere contains virtually no sulfur species at present, both soils and outcrop observed by landed missions have high sulfate abundances [1,2]. The OMEGA hyperspectral imager has now also identifi...

Journal: :iranian journal of pharmaceutical sciences 0
zahra rezaei sciences research center, shiraz university of medical sciences, shiraz 71345, iran department of medicinal chemistry, faculty of pharmacy, and pharmaceutical mohammad mehdi zarshenas department of medicinal chemistry, faculty of pharmacy, and pharmaceutical andia khalili department of medicinal chemistry, faculty of pharmacy, and pharmaceutical soghra khabnadideh sciences research center, shiraz university of medical sciences, shiraz 71345, iran department of medicinal chemistry, faculty of pharmacy, and pharmaceutical mohammad reza jafari department of medicinal chemistry, faculty of pharmacy, and pharmaceutical

this study presents the influence of hydroxypropyl-β-cyclodextrin (hpbcd) on the aqueous solubility of acyl esters of cyproterone. first, a number of esters of cyproterone were synthesized. then the phase solubility analysis of the compounds in the presence of hpbcd was investigated in phosphate buffer solution at a ph of 7.4. to gain a better understanding of the complexation mechanism, the sy...

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