Re: Sodium Carbonate (was Seeking Information on 2 problems with Gumprocess)
> Meanwhile, though I haven't tried it for the purpose, I have several boxes > of Arm & Hammer "pure baking soda" in the house, for "baking, cleaning & > deodorizing." This is sodium BI-carbonate. I have no idea if it will do what > the sodium carbonate does in a cyano, but it deodorizes the fridge > (allegedly, I haven't done a comparison test) and eases the digestive tract > of persons afflicted (not my particular problem), and some folks with VERY > white teeth use it for dentifrice, but above all it's useful in baking, such > as sourmilk pancakes, et al. (Excellent if you have some spoiled milk, maple > syrup & 20 minutes to spare..) Sodium bicarbonate is not a chemical replacement for sodium carbonate, but I have no idea what it will do in regards to cyanotype bleaching. Arm & Hammer does make a Washing Soda that is sodium carbonate. If you call the 1-800 on any of their boxes they can tell you the locations in your zip code who stock the Washing Soda.
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