diff --git a/burnman/calibrants/Anderson_1989.py b/burnman/calibrants/Anderson_1989.py
new file mode 100644
index 00000000..29868441
--- /dev/null
+++ b/burnman/calibrants/Anderson_1989.py
@@ -0,0 +1,49 @@
+# This file is part of BurnMan - a thermoelastic and thermodynamic toolkit for
+# the Earth and Planetary Sciences
+# Copyright (C) 2012 - 2024 by the BurnMan team, released under the GNU
+# GPL v2 or later.
+
+import numpy as np
+from burnman.eos.birch_murnaghan import BirchMurnaghanBase as BM3
+from burnman.classes.calibrant import Calibrant
+from burnman.utils.unitcell import molar_volume_from_unit_cell_volume
+
+"""
+Anderson_1989
+^^^^^^^^^^^^^
+"""
+
+
+class Au(Calibrant):
+    """
+    The Au pressure standard reported by
+    Anderson et al. (1989; https://doi.org/10.1063/1.342969).
+    """
+
+    def __init__(self):
+        def _pressure(volume, temperature, params):
+
+            # Isothermal pressure (GPa)
+            pressure_model = BM3()
+            P0 = pressure_model.pressure(params["T_0"], volume, params)
+
+            # Thermal pressure
+            Pth_rel = (7.14e6 + params["dKTdT"] * np.log(params["V_0"] / volume)) * (
+                temperature - 300.0
+            )
+
+            return P0 + Pth_rel
+
+        Z = 4.0
+        _params = {
+            "V_0": molar_volume_from_unit_cell_volume(67.850, Z),
+            "K_0": 166.65e9,
+            "Kprime_0": 5.4823,
+            "dKTdT": -11.5e6,
+            "n": 1.0,
+            "T_0": 300.0,
+            "P_0": 0.0,
+            "Z": Z,
+        }
+
+        Calibrant.__init__(self, _pressure, "pressure", _params)
diff --git a/burnman/calibrants/Dorogokupets_2007.py b/burnman/calibrants/Dorogokupets_2007.py
new file mode 100644
index 00000000..21149066
--- /dev/null
+++ b/burnman/calibrants/Dorogokupets_2007.py
@@ -0,0 +1,478 @@
+# This file is part of BurnMan - a thermoelastic and thermodynamic toolkit for
+# the Earth and Planetary Sciences
+# Copyright (C) 2012 - 2024 by the BurnMan team, released under the GNU
+# GPL v2 or later.
+
+import numpy as np
+from burnman.classes.calibrant import Calibrant
+from burnman.constants import gas_constant
+from burnman.eos.vinet import Vinet
+
+"""
+Dorogokupets_2007
+^^^^^^^^^^^^^^^^^
+"""
+
+_materials_data = {
+    "Ag": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 1.0,
+        "V_0": 10.272e-6,
+        "K_0": 99.65e9,
+        "Kprime_0": 6.11,
+        "theta_B1": 130.6,
+        "d_B1": 8.572,
+        "m_B1": 0.121,
+        "theta_B2": 103.6,
+        "d_B2": 5.326,
+        "m_B2": 0.449,
+        "theta_E1": 111.9,
+        "m_E1": 0.766,
+        "theta_E2": 189.12,
+        "m_E2": 1.664,
+        "gamma_0": 2.376,
+        "gamma_inf": 1.481,
+        "beta": 2.507,
+        "a": 6.70e-6,
+        "m": 3.44,
+        "e": 25.9e-6,
+        "f": -1.0,
+        "g": 0.666,
+        "h": -2.0,
+        "H": 15239,
+        "S": 0.732,
+    },
+    "Al": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 1.0,
+        "V_0": 9.999e-6,
+        "K_0": 72.67e9,
+        "Kprime_0": 4.62,
+        "theta_B1": 245.8,
+        "d_B1": 5.575,
+        "m_B1": 0.987,
+        "theta_B2": 300.0,  # Not used as m = 0
+        "d_B2": 1.0,  # Not used as m = 0
+        "m_B2": 0.0,
+        "theta_E1": 240.2,
+        "m_E1": 1.000,
+        "theta_E2": 356.2,
+        "m_E2": 1.013,
+        "gamma_0": 2.144,
+        "gamma_inf": 1.017,
+        "beta": 3.942,
+        "a": 5.14e-6,
+        "m": 3.44,
+        "e": 54.1e-6,
+        "f": -1.0,
+        "g": 1.8,
+        "h": -2.0,
+        "H": 8679,
+        "S": 0.998,
+    },
+    "Au": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 1.0,
+        "V_0": 10.215e-6,
+        "K_0": 166.70e9,
+        "Kprime_0": 6.00,
+        "theta_B1": 95.7,
+        "d_B1": 8.290,
+        "m_B1": 0.681,
+        "theta_B2": 106.4,
+        "d_B2": 3.239,
+        "m_B2": 0.417,
+        "theta_E1": 170.6,
+        "m_E1": 1.063,
+        "theta_E2": 105.2,
+        "m_E2": 0.839,
+        "gamma_0": 2.965,
+        "gamma_inf": 1.142,
+        "beta": 3.030,
+        "a": 25.33e-6,
+        "m": 3.79,
+        "e": 18.92e-6,
+        "f": -1.0,
+        "g": 0.66,
+        "h": -2.0,
+        "H": 11.69e3,  # note typo
+        "S": 1.067,
+    },
+    "Cu": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 1.0,
+        "V_0": 7.113e-6,
+        "K_0": 133.41e9,
+        "Kprime_0": 5.37,
+        "theta_B1": 123.7,
+        "d_B1": 3.776,
+        "m_B1": 0.115,
+        "theta_B2": 175.4,
+        "d_B2": 10.372,
+        "m_B2": 0.711,
+        "theta_E1": 187.4,
+        "m_E1": 0.756,
+        "theta_E2": 286.9,
+        "m_E2": 1.418,
+        "gamma_0": 1.974,
+        "gamma_inf": 1.554,
+        "beta": 4.647,
+        "a": 3.50e-6,
+        "m": 3.46,
+        "e": 27.698e-6,
+        "f": -1.0,
+        "g": 0.666,
+        "h": -2.0,
+        "H": 11687,
+        "S": 1.407,
+    },
+    "Pt": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 1.0,
+        "V_0": 9.091e-6,
+        "K_0": 276.07e9,
+        "Kprime_0": 5.30,
+        "theta_B1": 95.2,
+        "d_B1": 8.199,
+        "m_B1": 0.329,
+        "theta_B2": 148.4,
+        "d_B2": 4.005,
+        "m_B2": 0.383,
+        "theta_E1": 214.6,
+        "m_E1": 1.211,
+        "theta_E2": 140.8,
+        "m_E2": 1.077,
+        "gamma_0": 2.802,
+        "gamma_inf": 1.538,
+        "beta": 5.550,
+        "a": 160.9e-6,
+        "m": 4.06,
+        "e": 260.0e-6,
+        "f": -1.0,
+        "g": 2.4,
+        "h": -2.0,
+        "H": 32572,
+        "S": 0.631,
+    },
+    "Ta": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 1.0,
+        "V_0": 10.851e-6,
+        "K_0": 191.39e9,
+        "Kprime_0": 3.81,
+        "theta_B1": 72.6,
+        "d_B1": 5.536,
+        "m_B1": 0.117,
+        "theta_B2": 101.8,
+        "d_B2": 24.513,
+        "m_B2": 0.396,
+        "theta_E1": 144.0,
+        "m_E1": 1.118,
+        "theta_E2": 214.9,
+        "m_E2": 1.369,
+        "gamma_0": 1.714,
+        "gamma_inf": 1.241,
+        "beta": 6.825,
+        "a": 61.9e-6,
+        "m": 4.00,
+        "e": 167.0e-6,
+        "f": -1.0,
+        "g": 1.3,
+        "h": -2.0,
+        "H": 36278,
+        "S": 4.910,
+    },
+    "W": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 1.0,
+        "V_0": 9.545e-6,
+        "K_0": 306.00e9,
+        "Kprime_0": 4.17,
+        "theta_B1": 182.8,
+        "d_B1": 13.270,
+        "m_B1": 0.513,
+        "theta_B2": 172.5,
+        "d_B2": 3.305,
+        "m_B2": 0.174,
+        "theta_E1": 287.6,
+        "m_E1": 1.166,
+        "theta_E2": 213.8,
+        "m_E2": 1.145,
+        "gamma_0": 1.553,
+        "gamma_inf": 0.694,
+        "beta": 3.698,
+        "a": -39.3e-6,
+        "m": 2.67,
+        "e": 40.4e-6,
+        "f": -1.0,
+        "g": 0.2,
+        "h": -2.0,
+        "H": 14714,
+        "S": 0.672,
+    },
+    "MgO": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 2.0,
+        "V_0": 11.248e-6,
+        "K_0": 160.31e9,
+        "Kprime_0": 4.18,
+        "theta_B1": 447.3,
+        "d_B1": 11.248,
+        "m_B1": 1.429,
+        "theta_B2": 384.0,
+        "d_B2": 3.593,
+        "m_B2": 0.276,
+        "theta_E1": 703.8,
+        "m_E1": 2.570,
+        "theta_E2": 466.0,
+        "m_E2": 1.725,
+        "gamma_0": 1.522,
+        "gamma_inf": 1.111,
+        "beta": 4.509,
+        "a": 13.56e-6,
+        "m": 5.23,
+        "e": 0,
+        "f": 0.0,
+        "g": 0,
+        "h": 0.0,
+        "H": 0,
+        "S": 0,
+    },
+    "Diamond": {
+        "E_0": 0.0,
+        "P_0": 0.0,
+        "T_0": 298.15,
+        "n": 1.0,
+        "V_0": 3.417e-6,
+        "K_0": 443.16e9,
+        "Kprime_0": 3.777,
+        "theta_B1": 1202.1,
+        "d_B1": 9.604,
+        "m_B1": 1.163,
+        "theta_B2": 1135.1,
+        "d_B2": 3.380,
+        "m_B2": 0.218,
+        "theta_E1": 1687.2,
+        "m_E1": 1.396,
+        "theta_E2": 1033.7,
+        "m_E2": 0.223,
+        "gamma_0": 0.820,
+        "gamma_inf": 0.615,
+        "beta": 10.121,
+        "a": -23.85e-6,
+        "m": 1.22,
+        "e": 0,
+        "f": 0.0,
+        "g": 0,
+        "h": 0.0,
+        "H": 0,
+        "S": 0,
+    },
+}
+
+
+do_cold_eos = Vinet()
+
+
+def _F_qhB(m, d, theta, temperature):
+    # Equation 8a and equations just after Equation 7
+    g = d * np.log(1.0 + theta / (temperature * d))
+    b = 1.0 / (np.exp(g) - 1.0)
+    return m * ((d - 1.0) / (2.0 * d) * theta - temperature * np.log(1.0 + b))
+
+
+def _F_qhE(m, theta, temperature):
+    # Equation 8b
+    return m * (theta / 2.0 + temperature * np.log(1.0 - np.exp(-theta / temperature)))
+
+
+def _F_anh_factor(m, theta, temperature):
+    # Equation 12
+    zeta = np.exp(theta / temperature)
+    f = np.power(0.5 * theta + theta / (zeta - 1.0), 2.0) + 2.0 * theta * theta * (
+        zeta / np.power(zeta - 1.0, 2.0)
+    )
+    return m * f
+
+
+def _F_th(temperature, x, params):
+    # Equation 10
+    F_theta = np.power(x, -params["gamma_inf"]) * np.exp(
+        (params["gamma_0"] - params["gamma_inf"])
+        / params["beta"]
+        * (1.0 - np.power(x, params["beta"]))
+    )
+    theta_B1 = params["theta_B1"] * F_theta
+    theta_B2 = params["theta_B2"] * F_theta
+    theta_E1 = params["theta_E1"] * F_theta
+    theta_E2 = params["theta_E2"] * F_theta
+
+    # Equation 8
+    F_qh = (
+        _F_qhB(params["m_B1"], params["d_B1"], theta_B1, temperature)
+        + _F_qhB(params["m_B2"], params["d_B2"], theta_B2, temperature)
+        + _F_qhE(params["m_E1"], theta_E1, temperature)
+        + _F_qhE(params["m_E2"], theta_E2, temperature)
+    )
+
+    # Equation 12
+    F_anh = (
+        params["a"]
+        * np.power(x, params["m"])
+        / 6.0
+        * (
+            _F_anh_factor(params["m_B1"], theta_B1, temperature)
+            + _F_anh_factor(params["m_B2"], theta_B2, temperature)
+            + _F_anh_factor(params["m_E1"], theta_E1, temperature)
+            + _F_anh_factor(params["m_E2"], theta_E2, temperature)
+        )
+    )
+
+    # Equation 13
+    F_el = (
+        -1.5
+        * params["n"]
+        * params["e"]
+        * np.power(x, params["g"])
+        * temperature
+        * temperature
+    )
+
+    # Equation 14
+    F_def = (
+        -1.5
+        * params["n"]
+        * temperature
+        * np.exp(
+            params["S"] * np.power(x, params["f"])
+            - params["H"] * np.power(x, params["h"]) / temperature
+        )
+    )
+    return F_qh + F_anh + F_el + F_def
+
+
+def _helmholtz_energy(volume, temperature, params):
+    # Equation 6
+    E = do_cold_eos.molar_internal_energy(0.0, 0.0, volume, params)
+
+    # Just after Equation 6b
+    Vrel = volume / params["V_0"]
+    Fth = _F_th(temperature, Vrel, params)
+    Fth0 = _F_th(params["T_0"], Vrel, params)
+
+    # Equation 5
+    return E + gas_constant * (Fth - Fth0)
+
+
+def _pressure(volume, temperature, params):
+    dV = params["V_0"] * 1.0e-7
+
+    F1 = _helmholtz_energy(volume + dV / 2.0, temperature, params)
+    F0 = _helmholtz_energy(volume - dV / 2.0, temperature, params)
+    return -(F1 - F0) / dV
+
+
+class Ag(Calibrant):
+    """
+    The Ag pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["Ag"])
+
+
+class Al(Calibrant):
+    """
+    The Al pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["Al"])
+
+
+class Au(Calibrant):
+    """
+    The Au pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["Au"])
+
+
+class Cu(Calibrant):
+    """
+    The Cu pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["Cu"])
+
+
+class diamond(Calibrant):
+    """
+    The diamond pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["Diamond"])
+
+
+class MgO(Calibrant):
+    """
+    The MgO pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["MgO"])
+
+
+class Pt(Calibrant):
+    """
+    The Pt pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["Pt"])
+
+
+class Ta(Calibrant):
+    """
+    The Ta pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["Ta"])
+
+
+class W(Calibrant):
+    """
+    The W pressure standard reported by
+    Dorogokupets and Oganov (2007; https://doi.org/10.1103/PhysRevB.75.024115).
+    """
+
+    def __init__(self):
+        Calibrant.__init__(self, _pressure, "pressure", _materials_data["W"])
diff --git a/burnman/calibrants/__init__.py b/burnman/calibrants/__init__.py
index 3ceca19f..a9564d5f 100644
--- a/burnman/calibrants/__init__.py
+++ b/burnman/calibrants/__init__.py
@@ -7,7 +7,7 @@
 """
 Calibrant database
 
-  - :mod:`~burnman.calibrants.Decker_1971`
+  - :mod:`~burnman.calibrants.Anderson_1989`
   - :mod:`~burnman.calibrants.Armentrout_2015`
   - :mod:`~burnman.calibrants.Campbell_2009`
   - :mod:`~burnman.calibrants.Chidester_2021`
@@ -16,6 +16,7 @@
   - :mod:`~burnman.calibrants.Dewaele_2012`
   - :mod:`~burnman.calibrants.Dewaele_2013`
   - :mod:`~burnman.calibrants.Dewaele_2020`
+  - :mod:`~burnman.calibrants.Dorogokupets_2007`
   - :mod:`~burnman.calibrants.Dorogokupets_2017`
   - :mod:`~burnman.calibrants.Dubrovinsky_1998`
   - :mod:`~burnman.calibrants.Fei_2007`
@@ -46,6 +47,7 @@
   - :mod:`~burnman.calibrants.Zhao_2000`
 """
 
+from . import Anderson_1989
 from . import Armentrout_2015
 from . import Campbell_2009
 from . import Chidester_2021
@@ -54,6 +56,7 @@
 from . import Dewaele_2012
 from . import Dewaele_2013
 from . import Dewaele_2020
+from . import Dorogokupets_2007
 from . import Dorogokupets_2017
 from . import Dubrovinsky_1998
 from . import Fei_2007
diff --git a/misc/benchmarks/calibrant_benchmarks.py b/misc/benchmarks/calibrant_benchmarks.py
index b22bfaf5..81390118 100644
--- a/misc/benchmarks/calibrant_benchmarks.py
+++ b/misc/benchmarks/calibrant_benchmarks.py
@@ -63,6 +63,23 @@ def check_figures():
     )
 
 
+def check_Anderson_1989():
+    Au = calibrants.Anderson_1989.Au()
+    name = str(Au).split(" ")[0][1:]
+    compression = 0.34
+    print(f"Checking {name} at compression {compression}...")
+    V = (1 - compression) * Au.params["V_0"]
+    T = 300.0
+    print(
+        f"Temperature: {T} K, Pressure: {Au.pressure(V, T)/1.e9:.2f} (reported to be 216.06 GPa)"
+    )
+    T = 3000.0
+    print(
+        f"Temperature: {T} K, Pressure: {Au.pressure(V, T)/1.e9:.2f} (reported to be 222.44 GPa)"
+    )
+    print()
+
+
 def check_Decker_1971():
     NaCl = calibrants.Decker_1971.NaCl_B1()
     V_0 = NaCl.params["V_0"]
@@ -74,7 +91,7 @@ def check_Decker_1971():
         "Pressures from Decker 1971 calibrant "
         "vs. tabulated data in original paper (given in GPa)"
     )
-    print(f"\nV={V:.4e} m^3/mol (standard state volume):")
+    print(f"V={V:.4e} m^3/mol (standard state volume):")
     T_C = [25.0, 100.0, 200.0, 300.0, 500.0, 800.0]
     P_kbar = [0.00, 2.13, 5.00, 7.89, 13.72, 22.48]
     for i, T in enumerate(T_C):
@@ -97,6 +114,38 @@ def check_Decker_1971():
     print("")
 
 
+def check_Dorogokupets_Oganov_2007():
+    tests = [
+        [calibrants.Dorogokupets_2007.Ag(), 0.7, 100.371, 104.735, 111.146],
+        [calibrants.Dorogokupets_2007.Al(), 0.7, 56.986, 60.046, 64.905],
+        [calibrants.Dorogokupets_2007.Au(), 0.7, 164.83, 169.00, 175.03],
+        [calibrants.Dorogokupets_2007.Cu(), 0.7, 118.576, 124.032, 132.235],
+        [calibrants.Dorogokupets_2007.Pt(), 0.7, 242.676, 247.403, 254.730],
+        [calibrants.Dorogokupets_2007.Ta(), 0.7, 130.887, 133.891, 138.468],
+        [calibrants.Dorogokupets_2007.W(), 0.7, 222.444, 224.854, 228.550],
+        [calibrants.Dorogokupets_2007.MgO(), 0.7, 116.670, 120.904, 128.081],
+        [calibrants.Dorogokupets_2007.diamond(), 0.7, 301.514, 303.890, 309.757],
+    ]
+
+    temperatures = [298.15, 1000, 2000]
+
+    for test in tests:
+        calibrant = test[0]
+        Vrel = test[1]
+        pressures_GPa = test[2:]
+
+        name = str(calibrant).split(" ")[0][1:]
+        print(f"Checking {name}...")
+        for i in range(len(temperatures)):
+            P = calibrant.pressure(calibrant.params["V_0"] * Vrel, temperatures[i])
+            print(
+                f"V={Vrel}*V0, P={P/1.e9:.2f} GPa, T={temperatures[i]} K: {P/1.e6 - pressures_GPa[i]*1.e3:.3f} MPa difference"
+            )
+    print()
+
+
 if __name__ == "__main__":
+    check_Anderson_1989()
     check_Decker_1971()
+    check_Dorogokupets_Oganov_2007()
     check_figures()
diff --git a/misc/ref/calibrant_benchmarks.py.out b/misc/ref/calibrant_benchmarks.py.out
index c6797f7f..7a5c8516 100644
--- a/misc/ref/calibrant_benchmarks.py.out
+++ b/misc/ref/calibrant_benchmarks.py.out
@@ -1,5 +1,8 @@
-Pressures from Decker 1971 calibrant vs. tabulated data in original paper (given in GPa)
+Checking burnman.calibrants.Anderson_1989.Au at compression 0.34...
+Temperature: 300.0 K, Pressure: 216.06 (reported to be 216.06 GPa)
+Temperature: 3000.0 K, Pressure: 222.44 (reported to be 222.44 GPa)
 
+Pressures from Decker 1971 calibrant vs. tabulated data in original paper (given in GPa)
 V=2.7013e-05 m^3/mol (standard state volume):
 25.0 C: 0.00, 0.00
 100.0 C: 0.21, 0.21
@@ -26,6 +29,43 @@ V=1.9044e-05 m^3/mol (last row):
 500.0 C: 20.77, 20.78
 800.0 C: 21.66, 21.67
 
+Checking burnman.calibrants.Dorogokupets_2007.Ag...
+V=0.7*V0, P=100.37 GPa, T=298.15 K: 0.250 MPa difference
+V=0.7*V0, P=104.73 GPa, T=1000 K: -0.662 MPa difference
+V=0.7*V0, P=111.15 GPa, T=2000 K: -0.997 MPa difference
+Checking burnman.calibrants.Dorogokupets_2007.Al...
+V=0.7*V0, P=56.97 GPa, T=298.15 K: -11.383 MPa difference
+V=0.7*V0, P=60.03 GPa, T=1000 K: -12.426 MPa difference
+V=0.7*V0, P=64.86 GPa, T=2000 K: -43.175 MPa difference
+Checking burnman.calibrants.Dorogokupets_2007.Au...
+V=0.7*V0, P=164.83 GPa, T=298.15 K: -0.482 MPa difference
+V=0.7*V0, P=169.00 GPa, T=1000 K: -4.064 MPa difference
+V=0.7*V0, P=175.03 GPa, T=2000 K: 4.056 MPa difference
+Checking burnman.calibrants.Dorogokupets_2007.Cu...
+V=0.7*V0, P=118.65 GPa, T=298.15 K: 78.072 MPa difference
+V=0.7*V0, P=124.11 GPa, T=1000 K: 77.859 MPa difference
+V=0.7*V0, P=132.31 GPa, T=2000 K: 77.234 MPa difference
+Checking burnman.calibrants.Dorogokupets_2007.Pt...
+V=0.7*V0, P=242.66 GPa, T=298.15 K: -13.987 MPa difference
+V=0.7*V0, P=247.39 GPa, T=1000 K: -15.448 MPa difference
+V=0.7*V0, P=254.71 GPa, T=2000 K: -16.100 MPa difference
+Checking burnman.calibrants.Dorogokupets_2007.Ta...
+V=0.7*V0, P=130.95 GPa, T=298.15 K: 60.149 MPa difference
+V=0.7*V0, P=133.95 GPa, T=1000 K: 58.981 MPa difference
+V=0.7*V0, P=138.53 GPa, T=2000 K: 58.331 MPa difference
+Checking burnman.calibrants.Dorogokupets_2007.W...
+V=0.7*V0, P=222.43 GPa, T=298.15 K: -17.322 MPa difference
+V=0.7*V0, P=224.83 GPa, T=1000 K: -19.063 MPa difference
+V=0.7*V0, P=228.53 GPa, T=2000 K: -20.886 MPa difference
+Checking burnman.calibrants.Dorogokupets_2007.MgO...
+V=0.7*V0, P=116.72 GPa, T=298.15 K: 52.963 MPa difference
+V=0.7*V0, P=120.96 GPa, T=1000 K: 51.888 MPa difference
+V=0.7*V0, P=128.13 GPa, T=2000 K: 51.510 MPa difference
+Checking burnman.calibrants.Dorogokupets_2007.diamond...
+V=0.7*V0, P=301.53 GPa, T=298.15 K: 13.945 MPa difference
+V=0.7*V0, P=303.90 GPa, T=1000 K: 13.360 MPa difference
+V=0.7*V0, P=309.77 GPa, T=2000 K: 10.797 MPa difference
+
 Checking burnman.calibrants.Fei_2007.Au...
 Checking burnman.calibrants.Fei_2007.Pt...
 Checking burnman.calibrants.Holmes_1989.Pt...