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This standard covers sodium aluminate (Na2Al2O4) in both liquid and solid form for use in water supply service. Sodium aluminate as covered by this standard is a combination of sodium oxide (Na2O) and aluminum oxide (Al2O3) with sufficient excess causticity (sodium oxide) for stabilization. The main purpose of this standard is to provide purchasers, manufacturers, and suppliers with the minimum requirements for sodium aluminate, including physical, chemical, packaging, shipping, and testing requirements. Major changes made to the standard in this revision include the following: The format has been changed to current AWWA standard style; The acceptance clause (Sec. I.C.) and the definitions of parties (Sec. 3) have been revised to approved wording; and Editorial changes have been included throughout the standard.
