Volume 89 Issue 11 | p. 5 | Letters
Issue Date: March 14, 2011

Good-bye, Phosphates

Department: Letters

The cover story on dishwashing detergent is comprehensive and well written but would benefit from including a few facts that were not mentioned (C&EN, Jan. 24, page 12):

1. This is not a new emergency. The detergent and chemical industries have been searching and testing for so-called builder replacements for sodium tripolyphosphate for over 50 years, a very long time, since the first bans were enacted. Evidently, none of the many patented products . . .

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