How can I decrease the Krafft temperature of an hexadecyl sulfate surfactant?
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Briefly, Krafft temperature for cesium dodecyl sulfate is affected by cation concentration
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Explanation:
I need to prepare an anionic surfactant from a treatment of cetyl alcohol (hexadecanol) and H2SO4, and then neutralize it using NaOH or NH3;
- but sodium hexadecyl sulfate has a standard Krafft temperature of around 45 degrees Celsius, which is too high for our purposes.
- Is it possible to reduce the Krafft temperature to room temperature by adding electrolytes, solvents or modifying counter-ions
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