nistident_cent_vec
logo_acers

Phase Equilibrium Diagrams for Geochemistry and Geophysics

Credit G.E. Ulrich, USGS, Public Domain
Credit G.E. Ulrich, USGS, Public Domain
NaAlSiO PED

Comprehensive

The ACerS-NIST Phase Equilibrium Diagram (PED) database and software product contains nearly 20,000 system entries with over 30,000 diagrams of inorganic, non-metallic chemical systems.

1000px-Elemental_abundances.svg
  • Search broadly to find all entries that include your target elements and more
  • Then use simple parameter switches to narrow your search to systems with only the elements of interest

Examples

Elements Inclusive Entries Exclusive (Only these elements)
Si, O293539
Al, Si, O125453
Al, Fe, Si, O24625

Focus on the important work

You need the composition, temperature, pressure, and state information.
You don’t need to spend hours on each system.

  • Each entry comes with commentary that includes how each diagram was created
  • User-friendly analysis software provides composition data, both molar and by mass, and (where appropriate) temperatures with simple mouse actions
  • PDFs of entries for printing, pasting into manuscripts and lessons, and more

Try before you buy

Download the free demonstration version to experience the simple search, retrieval and analysis functions and view the comprehensive index of all entries available on the full Version 4.4 database