Quote:
Originally Posted by Weldangrind
HB, I took the time to read both of the forum threads you provided, and it seems that they're using the reverse-electrolysis method that is similar to what I use, except that I use sodium carbonate.
What I never thought of before, is that they followed the process with Coca-Cola and heat. What is the reason for that?
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食用碱 IS soda ash (sodium carbonate). Quite common in asian food.
http://en.wikipedia.org/wiki/Sodium_...r_applications |
http://forums.egullet.org/topic/72299-lye-water/page-2
They wants a clean surface for the "Phosphate conversion coating" liquid.