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It is used e.g. in silos or containers to protect against animals.
Normally it is used as salt e.g. Alluminiumphosphide or Magnesiumphosphide. This salt reacts with the air and poison gas is released. The levels permitted by the EU are between 0,1 and 0,01 mg/kg depending on the matrix.
|amount of sample||500 g|
|method||HS-GC-MS after acidic extraction|