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  • Anions with the general formula RSO2O− are called sulfonates. Due to the stability of sulfonate anions, the cations of sulfonate salts such as scandium triflate have application as Lewis. — “Sulfonate - Wikipedia, the free encyclopedia”,
  • It may be prepared by polymerization or copolymerization of sodium styrene sulfonate[citation needed] or by sulfonation of polystyrene. Micrograph showing sodium polystyrene sulfonate crystals (purple – at top of the image) in the biopsy of a colonic mass. — “Sodium polystyrene sulfonate - Wikipedia, the free encyclopedia”,
  • Perfluorooctanesulfonic acid (PFOS), or perfluorooctane sulfonate, is a man-made fluorosurfactant and global pollutant. The C8F17 subunit of PFOS is hydrophobic and lipophobic, like other fluorocarbons, while the sulfonic acid/sulfonate group adds polarity. — “Perfluorooctanesulfonic acid - Wikipedia, the free encyclopedia”,


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