Productivity can be quantified by several parameters. The most common are:
1. Turnover Number (TON): This measures the total number of catalytic cycles a single catalyst molecule can perform before it deactivates. 2. Turnover Frequency (TOF): This indicates the number of catalytic cycles per unit time, usually expressed as per second or per hour. 3. Space Time Yield (STY): This assesses the amount of product formed per unit volume of reactor per unit time. 4. Selectivity: This measures the proportion of desired product formed relative to undesired products.
