This standard describes sodium aluminate (NaAlO) in both liquid and solid form for use in water supply service. Sodium aluminate according to this standard is
a combination of sodium oxide (Na0) and aluminum oxide (Al0) with sufficient excess causticity (sodium oxide) for stabilization.
ANSI/AWWA B405-2006 Referenced Document
ASTM E11 Standard Specification for Wire Cloth and Sieves for Testing Purposes