Photographers' Formulary Potassium Bicarbonate - 10 Grams

Photographers' Formulary Potassium Bicarbonate - 10 Grams

Photographers' Formulary Potassium Bicarbonate - 10 Grams

B&H # PHPB10GQ MFR # 10-0925 10G
Photographers' Formulary Potassium Bicarbonate - 10 Grams

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Synonyms 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
Appearance White, deliquescent, granular powder
Odorless
Uses 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
Chemical Formula KHCO3
Notes To substitute potassium carbonate anhydrous, multiply the amount of sodium carbonate monohydrate by 0.90.

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