Compounds with a phenol group will form a blue, violet, purple, green, or red-brown color upon addition of aqueous ferric chloride ... or in a 200mm test tube. Add a few drops of 1% FeCl3. As a ...

environmental testing organizations, treatment and desalination plants. The top management from UniChem Limited stated that the construction of the proposed ferric chloride plant is currently underway ...

Leading the way with new sewage treatment methods, Thames Water South East Provinces Waste Water site in Cranleigh is using ferric chloride as a flocculating agent in order to meet the AMP 3 ...