Compounds with a phenol group will form a blue, violet, purple, green, or red-brown color upon addition of aqueous ferric chloride. This reaction can be used as a test for phenol groups. Mix several ...

Pleasure Ridge Park Fire Chief Jason Meiman described the spill as a caustic solution that was quickly diluting in the waterway over time as of Monday morning. "Phenol is used as a disinfectant ...

The micro-lab uses the Berthelot reaction, which detects ammonia through a color change. Instead of the traditional toxic ...