Sökning: "solvent"
Visar resultat 1 - 5 av 759 avhandlingar innehållade ordet solvent.
1. Accelerated Solvent Extraction : Sample Preparation Using High Diffusion Liquids
Sammanfattning : .... LÄS MER
2. Microcalorimetric methods for direct measurement of solubility and solvent activity
Sammanfattning : New calorimetric methods for direct measurement of solubility and solvent activity are presented. The classical role of calorimetry for measurements of enthalpic parameters is abandoned and the technique is instead used for assessing thermodynamic quantities related to the chemical potential of a substance in a solution. LÄS MER
3. Development and Application of a First Principle Molecular Model for Solvent Effects
Sammanfattning : A considerable part of chemistry in nature and industry, takes place in an environment of other molecules. Reactions, transitions, interactions or other chemical processes are almost always modified by the environment. LÄS MER
4. Diluent and Solvent Effects in Liquid-Liquid Extraction Systems based on bis-triazine-bipyrididine (BTBP)-class Ligands
Sammanfattning : Used nuclear fuel taken directly from a reactor is radiotoxic for mankind and its environment for a long time. One of the major contributions to the long time radiotoxicity is the presence of a group of elements called the actinides. LÄS MER
5. Enzyme substrate solvent interactions : a case study on serine hydrolases
Sammanfattning : Reaction rates and selectivities were measured for transacylation of fatty acid esters in solvents catalysed by Candida antarctica lipase B and by cutinase from Humicola insolens. With these enzymes classical water-based enzymology can be expanded to many different solvents allowing large variations in interaction energies between the enzymes, the substrates and the surrounding. LÄS MER