# Molecular weights from https://www.nist.gov/pml/atomic-weights-and-isotopic-compositions-relative-atomic-masses.
# Density source: https://www.engineeringtoolbox.com/water-density-specific-weight-d_595.html?vA=37&units=C#
# Material composition source: modified water

# Material name:
# water at 20 deg C, with 0.199962% iodine (2 mg iodine/mL water-iodine solution)

# Number of elements:
3

# Density:
1.000190

# Atomic number(s) and corresponding mass fraction(s):
1    0.111678    # hydrogen
8    0.886322    # oxygen
53    0.002000    # iodine
