added original pH data from Henry

Parameter_Estimation/Experiments/Set_5/ph_after_clo_0.json

+{"datapath": "../Parameter_Estimation/Data_for_estimation/Set_5/ph_after_clo_0.csv", "data": null, "modelpath": null, "_model": null, "model_validity": true, "time_array": [120.0, 300.0, 420.0], "data_array": [0.5899999999999999, 0.5899999999999999, 0.0], "maximal_time_in_data": 420.0, "minimal_time_step": null, "simulation_time_array": null, "time_arrays": null, "name": null, "weight": 1.0, "distance_measure": "custom", "_time_shift": 0, "data_mean": "mean", "data_sem": "sem", "comparison_variable": "pH_p", "observation_variable": ["time", "pH_p"], "initial_event_times": [0, 300], "event_times": [0, 300], "event_targets": [["[Cl_sal]", "Y_sal"], ["[Cl_sal]", "[Na_sal]"]], "event_values": [[129.9, 129.9], [40, 40]], "event_type": [["sub", "add"], ["add", "add"]], "initial_values_event_targets": {"Y_sal": 70.8, "[Na_sal]": 125.0, "[Cl_sal]": 130.0}, "initial_value_comparison_variable": 7.299999999999998, "observable_df": null, "residuals": [1.307345769983718, 2.8236436581645505, -2.2898949465635456], "result_list": [], "result_df": null, "comparison_df": null, "score": 14.925735336884468, "flux_dict": null, "flux_df": null, "uncert_array": null}
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