Analytical Methods: Schedule and Topics.
Lectures will be 1.5 hours, Max.
September 4th
: Principles of Analytical Chemistry: geochemical data, precision and accuracy, relevant propulation statistics, reference material preparation and determination.Reading: Potts, Chapter 1.
September 6th: Laboratory Demonstration: Laboratory tour: DC Plasma spectrometry and X-ray diffraction.
September 11th: Principles of Analytical chemistry, continued. Classic digestion methods, gravimetry, photometry, volatile determinations, colorimetry.
Reading: Potts, Chapter 2.
September 13th: Laboratory Demonstration: Sample preparation procedures for rock analysis - from solid rock to powder (and eventually to solution).
September 18th: Optical spectrometry and atomic absorption spectrophotometry: principles and uses.
Reading: Potts, Chapters 3, 4. 5 (clearly, not in scrupulous detail! Emphasis on beginning of C. 3, and C. 5)
September 20th: Laboratory Exercise: Preparation of Rock Standard samples for bulk analysis (We may need to start this a bit early - can be done in shifts)
September 25th-27th (TIMES to be arranged) Laboratory Exercise: Plasma Emission spectrometry multi-element analysis of standard rocks.
October 2nd: X-ray methods 1: X ray diffractometry. Principles, Bragg's Law, applications, powder vs. camera methods.
Readings: Potts, Chapter 8, and handouts.
Deadline for getting your Term Project Approved and Scheduled!
October 9th: X-ray methods 2: X ray fluorescence spectrometry. Principles and comparisons to optical emission spectrometry re: results.
Readings: Potts, chapter 8
October 11th: Laboratory Demonstration: X-ray powder diffraction and pattern identification.
October 16th: XRD-XRF redux.
October 18th: Laboratory Exercise: Running unknowns on the XRD!
October 23rd: Introduction to Microbeam methods: Principles and mechanics of
X-ray microanalysis. Sample preparation
Readings: Potts, Chapters 9 and 10.
October 30th: Electron Microprobes: EDS and WDS analytical methodologies. Data correction methods.
Readings; Potts, Chapters 9 and 10
TBA: Laboratory Demonstration (Internet willing!): Electron microprobe analysis of samples!
*November 6-8: GSA Annual Meeting - no class: work on projects!
November 13th: Principles of Mass Spectrometry
Readings: Potts, Chapters 16-18.
November 20th: No class - a day to work on projects!
November 27th: Solid and Gas source Mass Spectrometers -- Positive and Negative ion TIMS. Isotope Dilution analysis, Isotopic ratio measurements. Rb/Sr, Sm/Nd, U/Th/Pb; ¶18O, ¶13C ¶15N. Also ¶11B, ¶7Li. and 10/9Be.
Readings: Potts, Chapters 16-18.
December 4th: ICP-MS as a mass spectrometry technique. Principles, benefits, perils.
Readings: Potts, Chapter 20.
December 10-14th: Professor Away at Fall AGU Meeting - Completed projects must be handed in by December 14th!!