Polymeric chloride aluminum of drinking water level Standardgb/15892-2009 Indexsolid Al2o330 Basicity b (%)40.0-90.0 Density1.12 Water-insoluble matter % , 0.6 Ph value3.5-5.0 (as)% , 0.0002 (cd)% , 0.0002 (pb)% , 0.001 (hg)% , 0.00001 Hexavalent chromium (cr6+)% , 0.0005 Note: the mass fractions of fe, as, cd, cr, and pb are calculated based on that of al2o3 as 10.0%.
