[{
  "Name": "Name of the material",
  "Formula": "Formula of the material",
  "Heat treatment": {
    "Hardening": "Precipitation hardening or age hardening or particle hardening"
    "Temper": "Tempering relieves stresses in the metal that were caused by the hardening process. precipitation hardening"
  },
  "CAS Reg No.": "Chemical Abstracts Service Registry Number",
  "Mol. weight": "Molecular weight (relative molar mass)",
  "Physical Form": {
    "color": "color of the material",
    "crystal": "crystal type of the material, e. g. cubic"
  },
  "Equilibrium": {
    "p": "pressure",
    "rho": "Density at pressure p and temperature T",
    "T": "Temperature",
    "Tm": "Normal melting point at pressure p",
    "Tb": "Normal boiling point at vapor pressure p",
  },
  "rho(T)": {
    "rho_m": "Estimated density at higher temperatures (up to Tmax or about 20°C): \\[\rho(T)=\rho\ti{m}-k(T-T_m)\]",
    "k": "",
    "Tmax": "The maximum temperature for the estimated desity"
  },
  "p_b(T)": "Vapor pressure \(p\) in pascals: \[\log(p/Pa) = 5.006 + A + BT^{-1} + C\log{T} + DT^3\] where temperature T in K; p. 6-72",
  "Electromagnetic Data": {
    "chi_m": "Magnetic susceptibility; Molar susceptibility \[\chi\ti{m} = \kappa V\ti{m} = \kappa M / \rho \] where \(\kappa\) is the volume susceptibility, \(V\ti{m}\) is the molar volume of the substance, \(M\) the molar mass, and \(\rho\) the mass density. \(\kappa = \bold{M}/\bold{H}\) where \(\bold{H}\) is the magnetic filed and \(\bold{M}\) is magnetic moment per unit volume.",
  },
  "Mechanical Properties": {
    "Yield strength": "R_{p0.2}",
    "Ultimate tensile strength": "R_m",
    "Elongation": "A_5",
    "Hardness": {
      "HBW": ""
    }
  },
  "Thermodynamic Properties": {
    "Crystal, Liquid, Gas": {
      "Delta_f H°": "Standard molar enthalpy (heat) of formation at 298.15 K in kj/mol. 0.0 indicates the reference state.",
      "Delta_f G°": "Standard molar Gibbs energy of formation at 298.15 K in kJ/mol",
      "S°": "Standard molar entropy at 298.15 K in J/mol K",
      "cp": "Specific heat capacity",
      "Cp": "Molar heat capacity at constant pressure at 298.15 K in J/mol K",
    },
    "Delta_vap H": "Molar enthalpy (heat) of vaporization. Values are given at a pressure of 101.325 kPa",
    "Delta_fus H": "Molar enthalpy (heat) of fusion. Values are given at the normal melting point Tm"
  },
  "Crystallographic Data": {
    "Structure type": "Prototype for the structural arrangement of the crystallographic cell.",
    "Z": "Number of formula units per the unit cell.",
    "a, b, c": "Length of the cell edges in Å (1 Å = 10e-8 cm)",
    "alpha, beta, gamma": "Angles between cell axes"
  },
  "Cubic Crystal": {
    "rho": "Density",
    "T": "Temperature",
    "C11, C12, C44": ""
  },
  "Dynamik viscosity mu(T)": "List of temperature and viscosity values."
  "Human": {
    "Constituents of Human Blood": {
      "Total volume of blood": "7.5 L for a male and 6.7 L for a female in 100 kg adult.",
      "Total volume of plasma": "4.4 L for a male  and 4.3 L for a female in 100 kg adult."
    },
    "Composition of the Human Body": "Standard man = 70 kg"
  },
  "Borax Beads": {
    "Oxidizing flame, Reducing flame": {
      "colorless": "value or list of values of 'default', 'hot', 'cold', 'not saturated'"
      "opaque": "value or list of values of 'supersaturated', 'saturated'"
    }
  },
  "Source": "Sources"
},
{
  "Name": "Name of the material",
  "Alloy": {
    "Standard": "EN AW xxxx",
    "Type": "non heat-treatable"
  },
  "Formula": "Al, AlMg4.5Mn0.7",
  "Heat treatment": {
    "Temper": "homogenized and stress relieved, O3"
  },
  "CAS Reg No.": "7429-90-5",
  "Mol. weight": 26.982,
  "Physical Form": {
    "color": "silvery-white metal",
    "crystal": "cubic|cubic crystals"
  },
  "Mechanical Properties": {
    "Yield strength": ["110-130", "MPa"],
    "Ultimate tensile strength": ["230-290", "MPa"],
    "Elongation": ["10-15", "%"],
    "Hardness": {
      "HBW": ["68-75", "2.5/62.5"]
    }
  },
  "Source": [
    {
      "Type": "Book",
      "Title": "Title of the book",
      "Pages": [
        ["4-152", "Electromagnetic Data"],
        ["4-156", "Crystallographic Data"],
        ["8-13", "Borax Beads"]
      ]
    },
    {
      "Type": "Web",
      "URL": "http://"
    }
  ]
}]