Environmental Resource Associates (ERA) adds a NexION 300Q to its Inorganic Proficiency Testing Process
Environmental Resource Associates (ERA) adds a NexION 300Q to its Inorganic Proficiency Testing Process
3 PagesEnvironmental Resource Associates (ERA) adds a NexION 300Q to its Inorganic Proficiency T esting Process Proficiency testing (PT) is defined as a means of evaluating a laboratory's performance under controlled conditions relative to a given set of criteria through the analysis of unknown samples provided by an external source. Many organizations that manage proficiency-testing studies are also responsible for producing the certified
