1. A standardized procedure or technique that has been officially approved, validated, and documented by a recognized authority or organization
The laboratory uses a certified method for analyzing water quality to ensure accurate results.
O laboratório utiliza um método certificado para analisar a qualidade da água e garantir resultados precisos.
2. A tested and officially recognized procedure that meets established standards and regulations
This certified method for carbon dating is accepted by international scientific communities.
Este método certificado de datação por carbono é aceito pelas comunidades científicas internacionais.