Entity pty_ph

• Negative logarithm (base 10) of the hydrogen ion concentration mole basis.

Attribute                                 Flags   Data Type

From property:
   data_collection                        IV      set[0 .. N] of (data_collection)

                                          Indicates the data collections that include this
                                          instance of E and P data. 

   graphical_element                      IV      set[0 .. N] of (graphical_element)

                                          Specifies one or more graphical elements which
                                          are depicting this data item. 

   activity                               I       activity

                                          Defines the activity which created this instance.

   process_data_item                      IV      set[0 .. N] of (process_data_item)

                                          Defines where this data was used by an activity.

   other_spatial_object                   I       other_spatial_object

                                          may be a property of 


data_value                                MN      ndt_ph

                                          Acidity/alkalinity measurement in pH (0-14). Example,
                                          pH 7, pH 2.5 

fluid_phase_liquid                        U       fluid_phase_liquid

                                          may be a property of 

fluid_pseudo_component                    U       fluid_pseudo_component

                                          may be a property of 

standard_fluid_system                     U       standard_fluid_system

                                          may be a property of 

fluid_system                              U       fluid_system

                                          may be a property of 

End of entity pty_ph

M - mandatory, U - unique, I - inherited, V - inverse, N - named type