(under the class definition) Processes or compositions where the change in concentration of a reactant per unit time or the number of moles of a reactant converted to products per unit time are measured.
(1) Note. This subclass is intended to provide for reaction rate or kinetic studies.
(2) Note. The term "kinetic" may not occur in the document in question but there will be a description of a determination of a time rate of change of some parameter usually absorbance which is within the meaning of this subclass.