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ICP Methods for Consistent Trace Elemental Data

ICP Methods for Consistent Trace Elemental Data. WEALA Technical Workshop - 25-Apr-2013. The Analytical Process. Scope. Sampling. Sampling - Design. Bulk Prep. Particle Size Fractions for Metals Analysis. Aquatic Sediment (< 63 um). Terrestrial Soils (< 2 mm).

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ICP Methods for Consistent Trace Elemental Data

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  1. ICP Methods for Consistent Trace Elemental Data WEALA Technical Workshop - 25-Apr-2013

  2. The Analytical Process

  3. Scope

  4. Sampling

  5. Sampling - Design

  6. Bulk Prep

  7. Particle Size Fractionsfor Metals Analysis Aquatic Sediment (< 63 um) Terrestrial Soils (< 2 mm) Particle size chart from Carter, 2008; Figure 55.1

  8. Analytical Prep

  9. Salinity

  10. Tessier Model -Metals Fractions in Sediments Analytical Chemistry 51(7) June 1979

  11. Tessier Model – Extension to Terrestrial Soils(?)

  12. Metals Fractionsof Environmental Significance

  13. Standard Analytical Prep Procedures for Trace Metals

  14. Applicable Metals

  15. Analytical Prep

  16. Analysis

  17. Anatomy of a Plasma Plasma Temperature Zones1 Plasma Formation1 Droplet Conversion in the ICP Source2 1Spectroscopy 16(6) June 2001 2Perkin-Elmer, 1997

  18. Basic ICP Instrument Architecture Perkin-Elmer, 1997

  19. Emission Spectroscopy

  20. Light Spectra White Light (sunlight) Emission Spectrum of Iron (Fe)

  21. Grating Equation mλ= d (sinα+ sinβ), where m is the spectral order (an integer) and λ is the wavelength Palmer, C. and Loewen, E., Diffraction Grating Handbook, sixth edition; Newport Corporation, 2005.

  22. Rowland Circle Polychromator Perkin-Elmer, 1997

  23. Spectral Overlap Palmer, C. and Loewen, E., Diffraction Grating Handbook, sixth edition; Newport Corporation, 2005.

  24. Echelle Optical Mount Perkin-Elmer, 1997

  25. 2-D Spectral Array Perkin-Elmer, 1997

  26. Atomic Mass Spectra

  27. Relative Abundance of the Natural Isotopes Spectroscopy 17(10) October 2002; Perkin-Elmer

  28. Relative Abundance of the Natural Isotopes Spectroscopy 17(10) October 2002; Perkin-Elmer

  29. Elements analyzed by ICPMS http://www.perkinelmer.ca/EN-CA/CMSResources/Images/44-74849tch_icpmsthirtyminuteguide.pdf

  30. Plasma – Mass Spectrometer Interface Spectroscopy 16(7) July 2001

  31. Quadrupole Spectrometer Spectroscopy 16(10) October 2001

  32. Conventional ICPMS Spectroscopy 17(2) February 2002 (edited graphic)

  33. Collision/Reaction Cell ICPMS Spectroscopy 17(2) February 2002

  34. Collision/Reaction Cell ICPMS Spectroscopy 17(2) February 2002

  35. Hi-Resolution ICPMS Spectroscopy 16(11) November 2001

  36. Hi-Resolution ICPMS

  37. Hi-Resolution ICPMS Spectroscopy 16(11) November 2001

  38. Interferences in ICP

  39. Addressing Interferences

  40. Physical Effects in ICPMS -Space-Charge Interference Spectroscopy 16(9) September 2001

  41. Addressing Interferences

  42. Correcting AES Spectral Interference where, determined previously from standards http://inorganicventures.com/tech/icp-operations/spectral-interference-correction/correction-icp-oes

  43. Types of MS Spectral Overlap

  44. Addressing Interferences

  45. Correcting MS Spectral Interference where, Spectroscopy 17(10) October 2002; Perkin-Elmer

  46. Correcting MS Spectral Interference http://inorganicventures.com/tech/icp-operations/spectral-interference-correction/correction-icp-oes

  47. Calculation and Reporting

  48. Summary

  49. References • Boss, C.B. and Fredeen, K.J.; Concepts, Instrumentation and Techniques in Inductively Coupled Plasma Optical Emission Spectrometry, Second Edition; The Perkin-Elmer Corporation, 1997. • Carter, M.R. and Gregorich, E.G., eds., Soil Sampling and Methods of Analysis, Second Edition; Canadian Society of Soil Science, 2008. • Palmer C. and Loewen, E., Diffraction Grating Handbook, sixth edition; Newport Corporation, 2005. • Spectroscopy magazine and www.spectroscopyonline.com • Richards, L.A., ed., Agriculture Handbook No. 60: Diagnosis and Improvement of Saline and Alkali Soils; USDA, 1954. • Tessier, A., Campbell, P.G.C., Bisson, B., Sequential Extraction Procedure for the Speciation of Particulate Trace Metals; Analytical Chemistry: 15(7), June 1979, pp. 844-851.

  50. Questions

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