Verification and RM Flashcards
Validation
Verification
Confirmation by examination and provision of evidence that the particular requirements for a specific intended usehave been met
Robustness
Insensitivity against changes of known operational paramaeters
Fit for purpose evaluation
What’s the question
What analytical technique
What’s the analyte
What is type 1 error and type 2?
False positive result
Null hypo rejected even though it’s true
The lower the p value the lower the what?
Lower the statistical power, the lower the what
False positive
False negative
What to look for in cert?
Analyte and matrix
Analytical method, traceability to SI
Uncertainty and coverage factor
Who produces CRM?
National institutes of standard and tech
Institute of reference material and measurement
NMI
Private companies
What are the types of reference materials?
Reference mat:
Primary, secondary, control samples
Measurement standards
Working, reference, National, international
How to produce CRM
Base materials Homogenize Stability Assignment of reference value Uncertainty statement
How do u use CRM?
Avoid contamination,
Follow instructions
Choose according to what u need it for
How do u choose CRM?
Best possible match Correct uncert range ISO accreditation Traceability Cost
What is a RM?
Homogenous and stable. Fit for purpose
What is a CRM?
RM with a certificate issued by Specified property values Uncertainty Traceability Using valid procedures