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• n  a salt or ester of polyphosphoric acid

• In recent years Kornberg, whose work on DNA helped spark the biotechnology revolution, studied polyphosphate--a substance dismissed as useless by colleagues.
• Perhaps the most important were phosphorus compounds called polyphosphate esters.

News & Articles

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• Derailment cause investigated
  Two train engines and five cars derailed early Wednesday near East Carolina University, leaking ammonium polyphosphate into flowing water from Tuesday’s storms but resulting in no injuries or evacuations. The cause remains under investigation.
  May 1, 2014 - The Daily Reflector