Inorganic chemistry Z 0100 Chemical Precipitation -[for water purification and waste water treatment; 98 refs.]. -(WANG, L. K.; VACCARI, D. A.; LI, Y.; SHAMMAS, N. K.; Handb. Environ. Eng. 3 (2005) 141-197; Zorex Corp., Newtonville, New York, NY, USA; Eng.) -Schramke 10-241