neptunium

• Formula: Np
• Molecular weight: 237
• IUPAC Standard InChI: InChI=1S/Np Copy

  
• IUPAC Standard InChIKey: LFNLGNPSGWYGGD-UHFFFAOYSA-N Copy
• CAS Registry Number: 7439-99-8
• Chemical structure:
  This structure is also available as a 2d Mol file
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Antoine Equation Parameters
  • References
  • Notes
• Other data available:
  • Phase change data
  • Gas phase ion energetics data
• Data at other public NIST sites:
  • NIST Atomic Spectra Database - Lines Holdings (on physics web site)
  • NIST Atomic Spectra Database - Levels Holdings (on physics web site)
  • NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
• Options:
  • Switch to calorie-based units

Antoine Equation Parameters

Go To: Top, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

References

Go To: Top, Antoine Equation Parameters, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ackermann and Rauh, 1975
Ackermann, R.J.; Rauh, E.G., The Thermodynamics of Vaporization of Neptunium and Plutonium, J. Chem. Thermodyn., 1975, 7, 3, 211-218, https://doi.org/10.1016/0021-9614(75)90058-0 . [all data]

Notes

Go To: Top, Antoine Equation Parameters, References

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.