2021Äê8ÔÂ4ÈÕ£¬£¬£¬£¬£¬Å·ÃËÔÚÆä¹Ù·½¹«±¨ÉÏÐû²¼Ö¸Áî(EU) 2021/1297£¬£¬£¬£¬£¬ÐÞ¶©REACH¹æÔò¸½Â¼XVII£¨REACH¸½Â¼17 ÏÞÖÆÎïÖÊÇåµ¥£©£¬£¬£¬£¬£¬½«ÔµÚ68Ìõ¡°È«·úÐÁËᣨPFOA£©¡±£¨Òѱ»ÒÆÈëÅ·ÃËPOP¹æÔò£©Ì滻Ϊ¡°Ì¼Á´ÉÏ̼Ô×ÓΪ9~14µÄÈ«·úôÈËᣬ£¬£¬£¬£¬¼°ÑÎÀàºÍÏà¹ØÎïÖÊ¡±¡£¡£¡£¡£¡£¡£¸Ã¹æÔò×Ô¹Ù·½¹«±¨Ðû²¼ºó20ÈÕ×îÏÈÉúЧ£¬£¬£¬£¬£¬ÇÒ±¾¹æÔò¾ßÓÐÕûÌåÔ¼ÊøÁ¦²¢Ö±½ÓÊÊÓÃÓÚËùÓгÉÔ±¹ú¡£¡£¡£¡£¡£¡£
ÏêϸҪÇóÈçÏ£º
땅棼
68.
·Ö×ÓʽΪCnF2n+1-COOH£¨n¿ÉÒÔΪ8£¬£¬£¬£¬£¬9,10,11,12»ò13£©Ö±Á´ºÍÖ±Á´µÄÈ«·úôÈËᣨ¼´C9-C14 PFCAs£©£¬£¬£¬£¬£¬°üÀ¨ËûÃǵÄÑÎÀ࣬£¬£¬£¬£¬¼°Æä¶ÔÓ¦µÄ»ìÏýÎ£»£»
¾ßÓнṹͨʽCnF2n+1-£¨n¿ÉÒÔΪ8£¬£¬£¬£¬£¬9,10,11,12»ò13£©µÄÈ«·ú»ùÍÅÖ±½ÓÁ¬ÔÚÁíÒ»¸ö̼Ô×ÓÉϵÄÈκÎC9-C14PFCAÏà¹ØÎïÖÊ£¬£¬£¬£¬£¬°üÀ¨ËûÃǵÄÑÎÀ࣬£¬£¬£¬£¬¼°Æä¶ÔÓ¦µÄ»ìÏýÎ£»£»
¾ßÓнṹͨʽCnF2n+1-£¨n¿ÉÒÔΪ9£¬£¬£¬£¬£¬10, 11,12£¬£¬£¬£¬£¬13»ò14£©µÄÈ«·ú»ùÍŲ»Ö±½ÓÁ¬ÔÚÁíÒ»¸ö̼Ô×ÓÉϵÄÈκÎC9-C14 PFCAÏà¹ØÎïÖÊ£¬£¬£¬£¬£¬°üÀ¨ËûÃǵÄÑÎÀ࣬£¬£¬£¬£¬¼°Æä¶ÔÓ¦µÄ»ìÏýÎï¡£¡£¡£¡£¡£¡£
±¾Ìõ¿îÒªÇó²»°üÀ¨ÒÔÏÂÎïÖÊ£º
¡ªCnF2n +1-X,
(1)X =·ú(F), ÂÈ(Cl)»òäå(Br);
(2)n = 9, 10, 11, 12, 13 »òÕß14¡£¡£¡£¡£¡£¡£
¡ªCnF2n +1-COOX'.
X=ÈκιÙÄÜÍÅ£¬£¬£¬£¬£¬°üÀ¨ÑÎÀࣻ£»£»Í¬Ê±n£¾13¡£¡£¡£¡£¡£¡£