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Carbonate of potash Pearl ash Potash Salt of tartar Salt of wormwood Sub-carbonate of potash Potassium acid carbonate Carbonic acid Monopotassium salt Potassium hydrogen carbonate
White, deliquescent, granular powder Odorless
Since potassium carbonate is more soluble than sodium carbonate, it is used in concentrated solutions where an alkali is needed. Potassium carbonate can be substituted for sodium carbonate an alkali accelerator in developers. As is solubility is much greater, developers with greater concentration can be formulated. Thirteen parts by weight are equal to 10 parts by weight with sodium carbonate. Substituting potassium carbonate for sodium carbonate Will help obtain warmer tones in paper development
To substitute potassium carbonate anhydrous, multiply the amount of sodium carbonate monohydrate by 0.90.