‘impurity’ means any component other than the pure active substance and/or variant which is present in the technical material (including components originating from the manufacturing process or from degradation during storage).
«impureté», tout composant autre que la substance active pure et/ou variante pure se trouvant dans le matériel technique (y compris les composants provenant du processus de fabrication ou d’une dégradation intervenue en cours de stockage).