def METHOD_NAME():
    m = unit_separator.solve_SepNF(base="salt")
    assert value(
        m.fs.NF.permeate.flow_mass_phase_comp[0, "Liq", "H2O"]
    ) == pytest.approx(0.8682, rel=1e-3)
    assert value(
        m.fs.NF.permeate.flow_mass_phase_comp[0, "Liq", "NaCl"]
    ) == pytest.approx(2.544e-2, rel=1e-3)
    assert value(
        m.fs.NF.retentate.flow_mass_phase_comp[0, "Liq", "CaSO4"]
    ) == pytest.approx(1.168e-3, rel=1e-3)
    assert value(
        m.fs.NF.retentate.flow_mass_phase_comp[0, "Liq", "MgSO4"]
    ) == pytest.approx(1.376e-3, rel=1e-3)
    assert value(
        m.fs.NF.retentate.flow_mass_phase_comp[0, "Liq", "MgCl2"]
    ) == pytest.approx(3.401e-3, rel=1e-3)
    assert value(
        m.fs.NF.retentate.flow_mass_phase_comp[0, "Liq", "H2O"]
    ) == pytest.approx(9.645e-2, rel=1e-3)