Chemical products which included iron compounds for use in industry including chemical products which include iron used for clarification, softening and de-colourisation of potable water, for precipitation of phosphorus and compounds which contribute high Biological Oxygen Demand levels from domestic wastewater, for precipitation of colloids, compounds which contribute to high Biological Oxygen Demand levels, animal fats, suspended solids from industrial wastewater; and clarification and decolourising industrial wastewater for cracking oil and latex emulsions, for descaling copper, nickel and stainless steel alloys and as an oxidising agent in chemical processes