I looked but can seem to find this specific info so I hope someone on here can
help.
I know the basic formula for Nitol etching solution is 90% alcohol and 10%
nitric acid.
BUT what are the strengths is this formula based on?
For instance, you can readily buy 70% and 90% alcohol at any store and nitric
acid comes in a huge variety of strengths but 63% seems to be the most common.
The reason I ask is that I have an acquaintance that has 1/2 gallon of 50%
strength nitric acid that he would love to give to me but because he can not
easily dispose of it
BUT I need to determine the correct ratio before I accept his gift because I am
pretty sure the nitol formula uses stronger acid
I hope this makes sense.
Thanks
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