{"id":19047,"date":"2025-09-15T17:01:55","date_gmt":"2025-09-15T16:01:55","guid":{"rendered":"https:\/\/visegradpost.com\/?p=19047"},"modified":"2025-09-14T22:38:44","modified_gmt":"2025-09-14T21:38:44","slug":"forever-chemicals-100-times-more-acidic-than-expected-revolutionary-nmr-study-exposes-pfas-spreading-faster-through-water-systems-worldwide","status":"publish","type":"post","link":"https:\/\/visegradpost.com\/en\/2025\/09\/15\/forever-chemicals-100-times-more-acidic-than-expected-revolutionary-nmr-study-exposes-pfas-spreading-faster-through-water-systems-worldwide\/","title":{"rendered":"“Forever Chemicals 100 Times More Acidic Than Expected”: Revolutionary NMR Study Exposes PFAS Spreading Faster Through Water Systems Worldwide"},"content":{"rendered":"
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IN A NUTSHELL<\/strong><\/td>\n<\/tr>\n
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  • \ud83d\udd2c Scientists introduce a new NMR-based method<\/strong> that accurately measures the acidity of “forever chemicals.”<\/li>\n
  • \ud83d\udca7 Research reveals that many PFAS<\/strong> are more acidic than previously estimated, impacting their spread in water.<\/li>\n
  • \ud83c\udf0d More precise measurements aid in understanding the environmental behavior<\/strong> of these persistent chemicals.<\/li>\n
  • \ud83d\udd17 The study’s findings could influence future regulatory policies<\/strong> and remediation strategies for PFAS contamination.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

    In recent years, the environmental and health implications of “forever chemicals,” also known as per- and polyfluoroalkyl substances (PFAS), have garnered significant attention. These persistent chemicals are notorious for their resistance to degradation, thus earning their moniker. A groundbreaking study conducted by the University at Buffalo has developed a novel nuclear magnetic resonance (NMR) method to measure the acidity, or pKa, of PFAS. The results suggest these chemicals are far more acidic than previously thought, which has crucial implications for understanding their environmental persistence and spread. This new approach could potentially transform how scientists track and manage PFAS contamination.<\/p>\n

    Understanding the Nature of PFAS<\/h2>\n

    Per- and polyfluoroalkyl substances are a group of man-made chemicals used in a variety of industrial and consumer products. These chemicals are composed of a carbon-fluorine bond, one of the strongest in organic chemistry. This bond renders PFAS highly resistant to degradation. Consequently, PFAS persist in the environment and accumulate over time. They have been associated with adverse health effects, including cancer and hormonal disruption.<\/p>\n

    A key characteristic of PFAS is their acidity, which influences their behavior in the environment. Many PFAS compounds are strongly acidic, allowing them to easily shed protons and take on a negative charge. This property enables them to dissolve in water and spread, posing a threat to water supplies. Recent studies have shown that some PFAS are more acidic than previously believed, an insight that could reshape environmental risk assessments.<\/p>\n

    To address the challenges of measuring PFAS acidity, researchers have developed a new experimental approach. This method allows scientists to obtain more accurate pKa values, which are crucial for predicting the environmental fate of PFAS. The lower the pKa, the more likely a chemical is to exist in a charged form, enhancing its ability to spread in water.<\/i> This discovery underscores the need for reliable acidity measurements to inform the development of mitigation strategies.<\/p>\n

    \u00ab\u00a0This French Company Builds Sun On Earth\u00a0\u00bb: Thales Launches $20 Million Nuclear Fusion Project Using High Power Lasers That Could Replace All Fossil Fuels By Mid 2030s<\/a><\/p><\/blockquote>\n