NESSLER’S Reagent

Brand: WLS™ | WinLabs & Stores®
Category: Laboratory Chemicals & Consumables
Net Volume: 500 mL
Product Overview
Nessler’s Reagent is a high-sensitivity laboratory reagent used for the detection of ammonia (NH₃) and ammonium ions (NH₄⁺) in aqueous samples. It produces a characteristic yellow to brown color reaction proportional to ammonia concentration, making it suitable for routine analytical and water testing applications.
Key Features
Detects trace levels of ammonia and ammonium ions
Rapid colorimetric response (yellow → brown)
Suitable for water analysis, environmental monitoring, and laboratory assays
Ready-to-use alkaline reagent formulation
Supplied in amber glass bottle for light protection
Technical grade for laboratory and educational use
Composition
Potassium iodide
Mercuric iodide
Potassium hydroxide
Safety Information
Toxic and corrosive; contains mercury compounds
Avoid contact with skin and eyes
Do not ingest
Use appropriate personal protective equipment
Refer to Safety Data Sheet (SDS) before use
Storage
Store at 10–25 °C
Protect from light
Keep the container tightly closed.