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184.1619 Potassium carbonate.
(a Potassium carbonate (K2CO3, CAS Reg. No. 584C08C7 is produced by the following methods of manufacture:
? By electrolysis of potassium chloride followed by exposing the resultant potassium to carbon dioxide;
? By treating a solution of potassium hydroxide with excess carbon dioxide to produce potassium carbonate;
? By treating a solution of potassium hydroxide with carbon dioxide to produce potassium bicarbonate, which is then heated to yield potassium carbonate.
(b The ingredient meets the specifications of the Food Chemicals Codex, 3d Ed. ?981? p. 240, which is incorporated by reference. Copies are available from the National Academy Press, 2101 Constitution Ave. NW., Washington, D.C. 20418, or available for inspection at the National Archives and Records Administration (NARA? For information on the availability of this material at NARA, call 202C741C6030, or go to:http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
(c In accordance with184.1(b)(1? the ingredient is used in food with no limitation other thancurrent good manufacturing practice. the affirmation of this ingredient as generally recognized as safe (GRAS as a direct human food ingredient is based upon the following current good manufacturing practice conditions of use:
? The ingredient is used in food as a flavoring agent and adjuvant as defined in170.3(o)(12 of this chapter; nutrient supplement as defined in 170.3(o)(20 of this chapter; pH control agent as defined in 170.3(o)(23 of this chapter; and processing aid as defined in 170.3(o)(24 of this chapter.
? The ingredient is used in food at levels not to exceed current good manufacturing practice.
(d Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.
[48 FR 52442, Nov. 18, 1983]