-Systematic and random error -Accuracy vs precision -Significant figures -Average and standard deviations ENVI 15 - Analytical Chemistry Lecture 2 Quality Assurance Quality Assurance/Quality Control (QA/QC) Review Harris Chapter 5 A program to produce high quality data with known uncertainty. ENVI 15 - Analytical Chemistry Lecture 2 .Quality Assurance Elements of a QA program are: Quality Control Quality Assessment Quality Assurance Quality Control Establish Method Detection and Reporting Limits Reagent Blanks Calibration standards Analysis of standard reference materials Analysis of duplicates Recovery of known additions (spikes) Control Charts Analyst proficiency checks ENVI 15 - Analytical Chemistry Lecture 2 An accredited laboratory has a welldeveloped QA/QC program ISO 17025 – Industry Standard ENVI 15 - Analytical.
