1. Reduction of Structural Iron in Clays by Sodium Dithionite

2. Reduction of Structural Iron in Clays by Bacteria

3. Clay Analysis for Fe(II) and Total Fe Using 1,10-Phenanthroline (Phen Method -- UV-light)

4.Clay Analysis for Fe(II) and Total Fe Using 1,10-Phenanthroline (Phen Method -- hydroxylamine hydrochloride)

5. Clay Analysis for Fe(II) Using HCl Digestion (Ferrozine Method)

6. UV-Visible Data Collection for Fe(II) and Total Fe

7. Calculation of Fe(II) and Total Fe from UV-Visible Data of Phen Method

8. Calculation of Fe(II) from UV-Visible Data of Ferrozine Method

9. Calculation of Amount of Sample for Analysis by Mössbauer Spectroscopy

10.. Analysis of Any Sample for Fe(II) and Fe(III) using Mössbauer Spectroscopy

11. Atomic Absorption Spectrophotometry

12. Cation Exchange Capacity of Soils

13. Cation Exchange Capacity of Clays

14. Cation Fixation Capacity of Clays

15. Controlled-atmosphere Liquid Exchange

16. Glove Box Operation and Regeneration

17. Infrared Spectroscopy

18. Lithium Fixation

19. Magnetic Susceptibility

20. Operation of Mössbauer Spectrometer

21. Oxygen Meter on Glove Box

22. Oxygen Trap Regeneration

23. Particle-size Fractionation

24. pH

25. Reduction Potential (Eh)

26. Removal of Poorly-crystalline Fe Oxides (Oxalate Method)

27. Removal of All Fe Oxides (Citrate-Bicarbonate-Dithionite Method)

28. Reoxidation of Reduced Smectite

29. Specific Surface Area Determination

30. Swelling Pressure Using Large Pressure Plate

31. Swelling Pressure Using Small Cells

32. X-ray Diffraction Analysis

33. HPLC Methods

34. Scheduling

35. Order Procedures: Compressed Gas Cylinders

36. Refilling the Liquid Nitrogen Storage Dewar

37. Electrical Double-layer Calculations

38. Mossbauer Calibration Procedure

39. Diffusion Pump Operation

40. Laboratory Inventory Finder

41. NanoPure Water Purification System

42. Chemicals and Supplies

43. Redox Methods

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