For the gelator designing, how to determine the minimum gelation concentration or critical gelation concentration? From the papers, they use (%, w/v), but from their data, it seems not simply gram/volume=g/L. Do they use some other unit?
Thanks.
For colloidal solutions mass ratio (i.e. mass of solute : mass of solution) percent concentrations are quite often used. They are independent of the temperature and units considered, being, therefore, rather unambiguously defined. That is not the case for mass to volume ratio percent concentrations, because they depend on the selected mass and volume units, on some reference temperature (often unspecified), and because it is not always made clear if they are relative to the solvent volume or to the (colloidal) solution volume, being both these volumes often incorrectly confused.
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