Phosphonates

                                               

• Phosphonates are also known as  phosphonic acids.
• They are organic compounds containing like C-PO(OH)2 or C-PO(OR)2 groups  R denoted as alkyl, aryl.
• Phosphonic acids are well known and  effective chelating agents.
• Phosphonates are effective  water-soluble.
• Phosphonates are also regularly used in reverse osmosis systems as anti-scalants.