The GeoPT Proficiency Testing Programme as a Scheme for the Certification of Geological Reference Materials - Potts, Philip J.; Webb, Peter C.; Thompson, Michael (Geostandards and geoanalytical research, 2019)
Keywords: assigned values; Certification; certification protocol; certified value; GeoPT; ISO Guide 35; proficiency testing; Properties; Reference materials; Silicates; Statistical analysis; Statistical methods; Testing