tailieunhanh - Book: Analytical Chemistry

-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. | JI Analytical Chemistry Week 4 Quality Assurance Quality Control 1 Qa qc II Quality Assurance A program to produce high quality data with known uncertainty. Review Harris Chapter 5 ENVI 15 - Analytical Chemistry Lecture 2 Quality Assurance Quality Assurance J Elements of a QA program are Quality Control Quality Assessment An accredited laboratory has a well-developed QA QC program ISO 17025 - Industry Standard ENVI 15 - Analytical Chemistry Lecture 2 J 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 Quality Assura nce Quality Assessment Performance Evaluation Samples 4 Analytical Chemistry Laboratory Round Robins Performance Audits -1 - Concentration Concepts Harris Chapter 1 ENVI 15 - Analytical Chemistry Lecture 2 Atomic Mass Molecular Mass J Atomic mass of element mass of one atom of that element a really really small number J Molecular mass of a molecule mass of one molecule which is the sum of the atomic masses that make up the molecule still a really really small number ENVI 15 - Analytical Chemistry LectUre 2 ENVI 15 - Analytical Chemistry Lecture