Thickening with MgCl salt
I am trying to optimize a SLES/LAO system in terms of foam stability and surface elasticity.In short: stable bubbles.
- Is the amount of salt needed to thicken a solution proportional to the amount of active matter (surfactant)? Or is the concentration (amount of water in the mix) important as well (for example to double viscosity of a 10% active formula opposed to a 30% active formula )?
- I know that NaCl ist he salt of choice.MgCl on the other hand is more powerful because of it’s divalent ions. Is there a rule of thumb how much „stronger“ MgCl is? What are the downsides of MgCl?
- Lowering the pH wih citric acid already thickens the surfactants. So I need less salt, right?
Thank you for your ideas and answers.
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