Protocol for rapid ammonia detection via surface-enhanced Raman spectroscopy.

Area of Science:

• Analytical Chemistry
• Environmental Science
• Spectroscopy

Background:

• Ammonia is a crucial industrial chemical and a significant environmental pollutant.
• Accurate and rapid ammonia detection is vital for environmental protection and industrial process management.
• Existing detection methods may lack the speed or sensitivity required for certain applications.

Purpose of the Study:

• To develop a protocol for the rapid and sensitive detection of ammonia in aqueous solutions.
• To explore the potential of surface-enhanced Raman spectroscopy (SERS) for ammonia sensing.
• To demonstrate the applicability of the developed method for operando and in situ monitoring.

Main Methods:

• Utilized surface-enhanced Raman spectroscopy (SERS) for ammonia detection.
• Developed a protocol for quantifying low concentrations of ammonia in the aqueous phase.
• Focused on achieving rapid detection speeds suitable for dynamic monitoring.

Main Results:

• Successfully demonstrated a protocol for rapid detection of low ammonia amounts.
• The SERS-based approach achieved high sensitivity for aqueous ammonia.
• The method's speed and mechanism show promise for advanced applications.

Conclusions:

• Surface-enhanced Raman spectroscopy provides a viable platform for sensitive and rapid ammonia detection.
• The developed protocol is suitable for monitoring ammonia in aqueous environments.
• This technique holds significant potential for operando electrochemical catalysis and in situ ammonia sensing.