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¿ø·á ¡í ½ÄÇ°¿ø·á, ÷°¡¹° ºÀ¼âÁ¦ Chelating agent ºÀ¼âÁ¦ Chelating agent - ÇÕ¼ºÇ° : EDTA - À¯±â»ê : ÇÇÆ®»ê, ¿Á»ì»ê oxalic acid, ±¸¿¬»ê, Àλê - ´Ü¹éÁú : Çì¸ð±Û·Îºó, CPP, öºÐ Siderophores - ¹Ì³×¶öÀÇ Èí¼öÁ¶°Ç : ų·¹ÀÌÆ® - ÀÛ¹°ÀÇ Å³·¹ÀÌÆ®Á¦¿¡ ÀÇÇÑ ¹Ì³×¶ö Èí¼ö ÁõÁø - Áß±Ý¼Ó Á¦°Å Chelating ¿ä¹ý - ±Û¸®Æ÷¼¼ÀÌÆ® : chelate ´É·Â ¶§¹®¿¡ À§Çè? Siderophores (Greek: "iron carrier") are small, high-affinity iron-chelating compounds secreted by microorganisms such as bacteria and fungi • EDTA - ų·¹À̼ÇÁ¦°¡ Ç×»êÈÁ¦·Î ÀÛ¿ë • ÇÇÆ®»ê phytic acid ½Ò(ƯÈ÷ Çö¹Ì), ¹Ð, ¿Á¼ö¼ö, Äá·ù¿Í °°Àº ½Ä¹° Á¾ÀÚ¿¡ ´Ù·®À¸·Î Á¸ÀçÇÏ¸ç »ç¶÷, µÅÁö, ´ß, ¸¶¿ì½ºµî¿¡¼ »ýü È°¼º¿¡ Áß¿äÇÑ Ä®½·, ÀÎ, ¸Á°£ ¹× ö°ú ¹Ì³×¶öÀÇ Èí¼ö¸¦ ¹æÇØÇÑ´Ù • ¿Á»ì»ê oxalic acid - ½ÅÀå°á¼® : ¿Á»ì»ê, ±¸¿¬»ê, Ä®½· ¿Á»ì»êÀº ų·¹ÀÌÆ÷ÂÀÌ °ÇÏ´Ù. ±×·¡¼ Ä®½·µî°ú °ÇÏ°Ô °áÇÕÇϴµ¥. ½ÅÀå°á¼®ÀÇ ÁÖ¼ººÐÀÌ Calcium oxalateÀÌ´Ù. ½Ã±ÝÄ¡°ú ä¼Ò¿Í ¹èÃß¼Ó ½Ä¹°(¾ç¹èÃß,ºê·ÎÄݸ®,°ÜÀÚ, brussels sprouts)¿¡ ¸¹´Ù. ÆĽ½¸®´Â 100g´ç ¹«·Á 1.7gÀÇ ¿Á»ì»êÀÌ ÀÖ¾î¼ ½Ã±ÝÄ¡(0.97g)º¸´Ù 1.7¹è ¸¹´Ù. • Àλê : phosphate Since the work of Schwarzenbach in 1949, phosphonic acids are known as effective chelating agents. NTMP, EDTMP and DTPMP. À̵éÀº EDTA¿Í À¯»ç±¸Á¶ÀÌ´Ù. Àλê±â°¡ Áõ°¡ ÇÒ¼ö·Ï ų·¹ÀÌÆ®·ÂÀÌ Áõ°¡ÇÑ´Ù. Àλ꿰Àº di- and trivalent metal ionsÀ» °ÇÏ°Ô °áÇÕÇÏ¿© ¹°ÀÇ °æµµ¸¦ ³·Ãá´Ù. ±×´ë¼ ħÀüÀ» ¹æÁö ÇÒ ¼ö ÀÖ´Ù. The binding of these ligands also suppresses the catalytic properties of metal ions. They are stable under harsh conditions. For these reasons, an important industrial use of phosphonates is in cooling waters, desalination systems, and in oil fields to inhibit scale formation. Phosphonates are also regularly used in reverse osmosis systems as anti-scalants. Phosphonates in cooling water systems also serve to control corrosion of iron and steel. In pulp and paper manufacturing and in textile industry they serve as "peroxide bleach stabilizers", by chelating metals that could inactivate the peroxide. In detergents they are used as a combination of chelating agent, scale inhibitor, and bleach stabilizer. Phosphonates are also increasingly used in medicine to treat disorders associated with bone formation and calcium metabolism. • ±¸¿¬»ê citric acid Ä®½·Àº ÁÁÀº ų·¹ÀÌÆ®Á¦·Î ±Ý¼ÓÀÌ¿ÂÀ» ½±°Ô ³ì°Ô ÇÑ´Ù. º¸ÀÏ·¯ Áõ¹ß±â µîÀÇ ½ºÄÉÀÏÁ¦°Å¿¡µµ ÁÁÀ¸¸ç ¹°ÀÇ °æµµ´Â ³·Ãߴµ¥µµ À¯¿ëÇÏ´Ù. ±×·¡¼ ±¸¿¬»êÀº ¿å½ÇÀ̳ª Áֹ漼Á¦¿¡ È°¼º¼ººÐÀ¸·Î »ç¿ëµÇ±âµµ ÇÑ´Ù. 6% Á¤µµÀÇ ¿ë¾×Àº ¹¬Àº ¶§ÀÇ Á¦°Å¿¡ È¿°úÀûÀÌ´Ù. ³ìÀ» Á¦°ÅÇϴµ¥µµ À¯¿ëÇÏ°í, »ïǪ¿¡¼´Â ¿Î½º¸¦ ³ìÀÌ´Â ±â´ÉÀ» ÇÑ´Ù. ½ÉÁö¾î ±¸¿¬»êÀº 1940³â´ë ¿øÀÚźÀ» °³¹ßÇϱâ À§ÇÑ ¸ÇÇÏź ÇÁ·ÎÁ§Æ®¿¡¼ ¶õź°è¿ÀÇ ¿øÀÚ¸¦ ºÐ¸®ÇÏ´Â ¸ñÀûÀ¸·Îµµ »ç¿ëµÇ¾ú´Ù. ±×·¯´Ù 1950³âµµ¿¡´Â º¸´Ù È¿°úÀûÀÎ EDTA¿¡ ÀÇÇØ ´ëüµÇ¾ú´Ù • À¯±â»ê Amino acids, organic acids, glycine betaine, citric acid, and glutamic acid • ¾Æ¹Ì³ë»ê • ų·¹ÀÌÆ® ´É·Â ºñ±³ ų·¹½Ã¼ÇÀº Èí¼öµµ°¡ ´Þ¶óÁø´Ù ų·¹½Ã¼ÇÀº Ä¡·á¹ýµµ ÀÖ´Ù |
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