Abstract: An apparatus for identifying transition points in a chemical reaction, the apparatus comprising: a property value receiver, configured to receive a plurality of values of a physical property of the chemical reaction, a linear function calculator, associated with the property value receiver, configured to calculate a linear function connecting two of the received values, the two values pertaining to a start and end of a time period, a difference calculator, associated with the linear function calculator, configured to calculate a difference between the linear function and a plurality of the received values pertaining to the time period, and a transition point identifier, associated with the difference calculator, configured to identify at least one transition point of the chemical reaction, using the calculated difference.