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You have to keep mixing the components until the liquid forms. If you have a sludge, you will have mixed something, but not everything intimately, so you won't have the correct component ratio. The DES is not going to form spontaneously, so leaving it will not have helped. We have had DES's remain as liquids for 6 months and counting.


Yes, the melting point of ocean salt is going to be lower than pure NaCl at 801 °C. In sea water you don't have compounds but rather dissolved ions. Other than the most abundant Cl- and Na+ (in this order), sea water contains Mg2+, K+, Ca2+ and SO42- (not in this order). Thus, we can assume that the solid residue would be NaCl, MgCl2, CaCl2 and KCl. Let's ...


The Al-Ga system is reasonably well studied, and there are a number of articles in the Calphad (Calculation of Phase Diagrams) literature. For example, Al-Ga-Zn System: Reassessments of the Three Binary Systems and Discussion on Possible Estimations and on Optimisation of the Ternary System, M. Mathon et al., CALPHAD 24(3) 253-284 (2000) has the ...

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