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Paracetamol solubility in cosolvants - Assignment Example

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One of the factors influencing the solubility in water is the presence of co-solvents besides the impact of temperature, salinity, pH, and dissolved organic matter (DOM). It is found that different co-solvents behave differently depending on certain characteristics especially…
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Paracetamol solubility in cosolvants
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Download file to see previous pages Based on the experimental results, the molarity of paracetamol varies with percent alcohol in an exponential rate unlike the nearly linear relationships established by the same solute with propylene and glycerol. Such is an evidence of decrease in polarity aside from the findings that for homologous n-alcohols, increase in the length of carbon chain and complexity in molecular structure, which is also true for ketones, contribute to the lowering of solubility. Thus, since alcohols like methanol, ethanol, and propanol possess full miscibility with water and consist of polar molecules at the same time, greater extent of drug solubility can be expected for a paracetamol in an aqueous system with alcohol as the co-solvent. Due to this high level of solubility, the relationship between the concentrations of paracetamol and of alcohol becomes graphically non-linear whereas co-solvents other than alcohols bearing insignificant effect on solubility make a more linear variation with less steep slope upon dissolution of the drug ...Download file to see next pagesRead More
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