QC Sample
FAQS
1.What is quality-control materials
Quality-control materials, which had been tested by PT participants,has a a certificate with designed value, uncertainty and the standard deviation of certain parameters, etc.
2.2. What is the quality-control sample used for?
1) Laboratory internal quality control; 2)To evaluate and verify new methods in laboratories; 3) Inspection of the laboratory instruments and equipment; 4)To evaluate the technical capacity of the analysis testing personnel in laboratories; 5)To practice before participate in PT schemes.