Science Advances

Supplementary Materials

This PDF file includes:

  • Water content determination
  • Thermodynamical model refinement for H metal-silicate partitioning
  • fig. S1. ERDA signal in quenched silicate melt (left) and metal (right) of sample SiW1.
  • fig. S2. Comparison of H contents measured by ERDA and other techniques for determination of H content in the silicate phase.
  • fig. S3. Comparison between experimental and theoretical KH values.
  • fig. S4. Example of water content determination using Raman spectroscopy.
  • fig. S5. Evolution of the core compositions of Earth (left) and Mars (right) during the course of planetary accretion.
  • table S1. Composition of quenched silicate melts.
  • table S2. Composition of metals.
  • table S3. Interaction parameters between hydrogen and each element i present in the metal from (15).
  • References (36–40)

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