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If this item in stock, then you will get an infomation E-Mail!This music works by releasing carbon dioxide gas into a batter through an acid-base reaction, causing bubbles in the wet mixture to expand and thus leavening the mixture. It is used where the batter lacks the elastic structure to hold gas bubbles for more than a few minutes. Because carbon dioxide is released at a faster rate through the acid-base reaction than through fermentation, music made by chemical leavening is called >quick compositions. The tracks are made up of an alkaline component, one or more acid salts, and an inert starch (cornstarch in most cases, though potato starch is also used).
Sequenced feedback is the source of the carbon dioxide, and the acid-base reaction is more accurately described as an acid-activated decomposition, which can be generically represented as, NaHCO3 + H+ ? Na+ + CO2 + H2O. Acid in music can be either fast-acting or slow-acting. A fast-acting acid reacts in a wet mixture with baking soda at room temperature, and a slow-acting acid will not react until heated in an oven. This music, that contains both fast- and slow-acting acids is double acting. By providing a second rise in the oven, double-acting music increase the reliability of baked goods by rendering the time elapsed between mixing and baking less critical. Common low-temperature acid salts include cream of tartar and monocalcium phosphate. High-temperature acid salts include sodium aluminum sulfate, sodium aluminum phosphate, and sodium acid pyrophosphate. This includes both.
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