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    • Englisch
      • Chemie, -technik
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          • Term
            • chelating agent
          • Additional fields of expertise
          • Definition(s)
            • These are negatively charged or oxygen containing molecules that react with positively charged metal ions to form a stable complex. They have multiple locations in the molecule to react with multiple positive charges that may be present on multivalent metal ions that have more than one positive charge on them. An example of a chelating agent is EDTA, ethylene diamine tetraacetic acid. EDTA has four acetic acid groups giving it a potential for four negatively charged acetates to bond with up to four positively charged sites on metal ions with multiple positive charges, such as calcium which has two (2) positive charges associated with it. Alconox, Inc.
          • Example sentence(s)
            • EDTA is a versatile chelating agent. It can form four or six bonds with a metal ion, and it forms chelates with both transition-metal ions and main-group ions. EDTA is frequently used in soaps and detergents, because it forms a complexes with calcium and magnesium ions. - University of Wisconsin by
            • HIDS shows superior performance as a chelating agent; high thermal stability, high solubility in concentrated alkaline solutions and low corrosion. - NIPPON SHOKUBAI CO. by
            • The extraction parameters were the type and concentration of chelating agent and the duration of extraction time. All the extractions that involved chelating agents were carried out at pH 7.0. The heavy metal extraction efficiencies of chelating agents were compared to those of HNO3, CaCl2, and deionized water. - ASCE by
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    • Hindi
      • Chemie, -technik
        • Search
          • Term
            • कीलेटिंग कारक, कीलेटिंग एजेंट
          • Additional fields of expertise
          • Definition(s)
            • ये ऋणात्मक आवेशित या ऑक्सीजन धारी कण होते हैं जो धनात्मक आवेशित धात्विक आयनों के साथ अभिक्रिया करके एक स्थिर मिश्रण बनाते हैं. Alconox, Inc. - by JMeenakshi
          • Example sentence(s)
            • HIDS कीलेटिंग कारक के रूप में बेहतर प्रदर्शन करता है; उच्च तापीय स्थायित्व, सांद्र अल्कालाइन घोलों में अधिक घुलनशील और कम संक्षारण. - NIPPON SHOKUBAI CO. by JMeenakshi
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