Table 2-13: Nitric Acid

Volatile Oxides

Not Chemically Attacked

Form Oxide Coating (Passivated)

Form insoluble acids or hydrated oxides

Os (OsO4) (M1-5) Al (M6) Al (M1-3, 7, 8) As (M4)
Re (Re2O7) (M1-4) Au (M1-3, 6-9) B (M8) Mo (M1, 3)
Ru (RuO4) (M1-3) Cr (M5, 6) Ca (M8) P (M4)
  Hf (M1, 3) Cr (M1-3, 7, 8)

Sb (M1, 3-5, 7-11)

(Sb2O3 & Sb2O5) (M5)

  Ir (M1, 3, 6, 8, 9) Fe (M5, 8) Sn (M1, 3, 4, 7-11)
  Nb (M1, 3) Ga (M1, 3, 8) W (M1, 3, 10)
  Os (M1-3, 6, 8) Hf (M8)  
  Pd (M2,6,8) In (M1,3,8)  
  Pt (M1-3,6,8,9)  Mg (M8)  
   Rh (M1-3, 6, 8,9)  Nb (M2,8)  
   Ru (M2,6,8)  Ta (M2,8)  
   Ta (M1,3)  Th (M1,3)  
   W (M5)  Ti (M7,8)  
   Zr (M1,3)  Zr (M8)  

References:

M1 Bogen, D. C. In Treatise on Analytical Chemistry; Kolthoff, I. M., Elving, P. J., Eds.; Interscience: New York, 1982; Vol. 5: Part I, pp 1-22.
M2 Anderson, R. Sample Pretreatment and Separation; John Wiley & Sons: New York, 1987.
M3 Willard, H. H.; Rulfs, C. L. In Treatise on Analytical Chemistry; Kolthoff, I. M., Elving, P. J., Eds.; Interscience: New York, 1961; Vol. 2: Part I, pp 1027-1050.
M4 Lundell, G. E. F.; Hoffman, J. I. Outlines of Methods of Chemical Analysis, 6th ed.; John Wiley & Sons: New York, 1951.
M5 Scott, W. W. Scott's Standard Methods of Chemical Analysis, 5th ed.; D. Van Nostrand Company, Inc.: New York, 1939.
M6 Treadwell, F. P.; Hall, W. T. Analytical Chemistry, 9th English ed.; John Wiley & Sons: New York, 1937.
M7 Bajo, S. In Preconcentration Techniques for Trace Elements; Alfassi, Z. B., Wai, C. M., Eds.; CRC Press: Boca Raton, 1992, pp 3-31.
M8 Bock, R. A Handbook of Decomposition Methods in Analytical Chemistry, 1st ed.; John Wiley and Sons: New York, 1979.
M9 Sulcek, Z.; Povondra, P. Methods of Decomposition in Inorganic Analysis; CRC Press: Boca Raton, 1989.
M10 Zehr, B. D. American Laboratory 1992, December, 24-29.
M11 Sulcek, Z.; Povondra, P.; Dolezal, J. CRC Critical Reviews in Analytical Chemistry 1977, 255-323.

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