DrP
National Hazard
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Volatile base
I want a volatile base to raise the pH of my mixture from about 1 to about 5 or 6. NH3 is too exothermic and leaves salty deposit when solution
dries. Triethanolamine works nicely but leaves an oily deposit as so much is needed to neatrallise the solution.
Know of any bases which will evapourate quickly from a solution if soaked onto a cloth?
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chemoleo
Biochemicus Energeticus
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Eh?
You mean the base-SALT evaporates off?
Because this is what is required if you want the pH to raise.
As salts are ionic, you will be very hard pressed to find some that 'evaporate' at room temperature preferentially over the base on its own.
Never Stop to Begin, and Never Begin to Stop...
Tolerance is good. But not with the intolerant! (Wilhelm Busch)
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DrP
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basically :-) , my liquid soaks onto fabric, dries off and imparts 'other' properties to the fabric such as flame retardancy. problem is
that the liquid is too acidic. how can I neutrallise it without the neutralizing agent leaving salty or oily deposits on the cloth?
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neutrino
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Neutralizing an acid will give you a salt. There is nothing that can be done about this, it is a law of chemistry. The best you can do here is remove
the acid beforehand or wash the salt out afterward.
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mick
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Try an ionic exchange resin.
mick
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