½üÈÕ£¬Ôڶ嫽ÌÊÚµÄЯ´øÏ£¬´¿Ìú£¨PI£©ÏîÄ¿³ÉÔ±ÍõÁÖ¾ü½ÌÊÚºÍÐìÈò½ÌÊڵȳɹ¦Ô챸³ö´¿¶È´ïµ½5N2µÄ³¬´¿Ìú£¨5N¡«6N£©£¬ÆøÌåÔÓÖÊÔªËØº¬Á¿Îª4.5ppm£¨°ÙÍò·ÖÖ®Ò»ÖÊÁ¿±È£©£¬ÆäÓàÔªËØº¬Á¿3.2ppm£¬ÌúµÄ´¿¶È¸ß´ï99.9992%£¨5N2£©¡£ÕâÊǼÌÏîÄ¿ÍŶÓ2021ÄêÔ챸³ö4N7¸ß´¿ÌúºÍ2023ÄêʵÏÖ4Nµç½âÌú²úÒµ»¯Ö®ºóµÄÓÖÒ»³Á´ó¿Æ¼¼Í»ÆÆ£¬±ê־ȡÎÒ¹úÔÚÌúµÄÌá´¿·½ÃæõÒ³öÉí½çǰÁС£
´¿ÌúÊdzÁÒªµÄ¹¤ÒµÔÁÏ£¬ÒÀÕÕ̼º¬Á¿·ÖÆç£¬½«Ìú·ÖΪÉúÌú¡¢¸ÖºÍ´¿Ìú£¬ÆäÖн«Ì¼º¬Á¿µÍÓÚ0.0218%µÄÌú³ÆÎª´¿Ìú¡£ÓëÉúÌúºÍ¸Ö»úÄÜ·ÖÆç£¬4N¼¶ÒÔÉϵĸߴ¿ÌúºÍ³¬´¿ÌúÓµÓÐÓÅÒìµÄÈí´Å»úÄÜ¡¢ÄÍÇÖÊ´»úÄÜ¡¢ÑÓÕ¹»úÄÜ¡¢ÈÈ»úÄܺ͵¼µç»úÄܵȡ£×÷ΪÔ×ÊÁÏʹÓÃÄܹ»ÏÔÖøÌá¸ßÌØÖֺϽ𡢸߶ËÌØÖÖ¸Ö¡¢°ëµ¼ÌåºÍ·Ç¾§µÈ×ÊÁϵĻúÄÜºÍÆ·ÖÊ£¬´Ó¶øÍƽøº½¿Õ¡¢º½Ìì¡¢µç×Ó¡¢ÄÜÔ´¡¢°ëµ¼ÌåµÈ²úÒµµÄ·¢Õ¹¡£´¿ÌúµÄÌá´¿¼¼Êõ¼È·´Ó³ÁËÒ»¸ö¹ú¶ÈµÄ¹¤Òµ»¯·¢Õ¹Ë®Æ½£¬ÓÖÌåÏÖÁ˶ÔÌúÕâ¸ö×î´óÁ¿×ÊÁϵÄÈÏÖªÉî¶È¡£
Ŀǰ£¬ÎÒ¹ú´ó¹æÄ£¹¤Òµ»¯³ö²úµÄ´¿Ìú´¿¶ÈΪ99.0%¡«99.9%£¨2N¡«3N£©¡£Áú·ïɽÖýÒµÒÑʵÏָߴ¿ÉúÌúºÍ³¬¸ß´¿ÉúÌúµÄ¹¤Òµ»¯³ö²ú²¢ÓÃÓڸ߶ËÉ豸Ôì×÷¡£Ð±¦GGÓëÁú·ïɽÖýÒµ¾¹ý¶àÄêºÏ×÷£¬ÔÚ¿ª·¢4N¼¶¸ß´¿Ìú·½ÃæÒÑ»ñµÃÁ˳ÁÒª½øÕ¹¡ª¡ª2021Äê³õ´ÎÔ챸³ö¹«½ï¼¶4N7¸ß´¿Ìú£¬2023ÄêʵÏÖ²úÒµ»¯Ô챸4N¼¶µç½â´¿Ìú¡£¶ø5N¼¶³¬´¿ÌúµÄÔ챸һÏòÊÇÊÀ½ç¼¶µÄ¿Æ¼¼ÄÑÌ⣬֮ǰ½öÓÐÅ¹ú¶ÈÈÕ±¾ºÍÃÀ¹úÔÚ³¢ÊÔÊÒÔ챸³ö5N¼¶³¬´¿Ìú¡£
PIÏîÄ¿Á¢Ïî
2020Äê1Ô£¬Õë¶Ô¹úÄÚ´¿ÌúµÄ´¿¶Å×ëÅ¹ú¶ÈµÄ²î¾à£¬ÌáÉýÎÒ¹ú´¿ÌúÔ챸ˮƽ£¬Ð±¦GG¡¢ºÓ±±Áú·ïɽÖýÒµÓÐÏÞ¹«Ë¾£¨¼ò³ÆÁú·ïɽÖýÒµ£©¡¢Ò±½ð¾¼Ã×êÑз¢Õ¹ÖÐÐÄ£¨¼ò³Æ¾ÑÐÖÐÐÄ£©¡¢Ð±¦GG£¨Õã½£©¸ß¶ËÉ豸»ù´¡¼þ×ÊÁÏ×êÑÐÔº£¨¼ò³ÆÉÏÉÆÔº£©Õýʽ³ÉÁ¢Ìú»ùÐÂ×ÊÁÏ×êÑÐÔº¡£2020Äê10Ô£¬ÔÚÍŶӳÖÐøºÏ×÷Ï£¬Áú·ïɽÖýÒµ³ÉÁ¢Á˹úÄÚÊ׸öÒÔ´¿Ìú³ö²ú¼¼ÊõÑз¢ºÍÀûÓÃÎªÖØÒªÑз¢Ö¸±êµÄÊ¡¼¶Ñз¢»ú¹¹¡ª¡ªºÓ±±Ê¡´¿Ìú×ÊÁϼ°ÀûÓòúÒµ¼¼Êõ×êÑÐÔº¡£Í¬Ä꣬Áú·ïɽÖýÒµÓë¶å«½ÌÊÚÍŶÓÔì¶©³öºÏ×÷¿ª·¢¸ß´¿ÌúºÍ³¬´¿ÌúÐÂ×ÊÁϵĿÆÑй滮£¬²¢ÆðÍ·Ö´ÐÐPIÏîÄ¿¡£
ÔÚºÓ±±Ê¡·¢¸Äί¡¢¹¤ÐÅÌüºÍ¿Æ¼¼Ìü¡¢¼ÎÉÆÏØ¡¢ÉÏÉÆÔºµÄ´óÁ¦Ö§³ÖÏ£¬ÔÚÒµÄÚר¼ÒµÄÁìµ¼ºÍ¼¤ÀøÏ£¬¶å«½ÌÊÚЯ´øPIÍŶӹ²Í¬Å¬Á¦£¬Õë¶ÔÎÒ¹ú´¿ÌúµÄ½ü¿ö£¬ÝÓÈÆÔ챸¸ü¸ß´¿¶ÈµÄ´¿Ìú¡¢¸üµÍ³É±¾³ö²úÓëÀûÓøߴ¿/³¬´¿ÌúµÄÖ¸±ê·¢Õ¹¹¤×÷¡£
4Nµç½âÌú²úÒµ»¯
2019ÄêÆðÖÁ2023Ä꣬PIÏîÄ¿¿ÆÑÐÍŶӳɹ¦Ñз¢³öϵÁиßÃ÷´¿Ìúµç½âÔ챸³ö²ú¼¼Êõ£¬ÊµÏÖÁËÔ̺¬ÆøÌåÔªËØÔÚÄÚµÄÈ«ÔªËØº¬Á¿¼ì²âµÄ3N¼¶µç½âÌúµÄµÍ³É±¾Ô챸¡¢4N¼¶µç½â´¿ÌúµÄ²úÒµ»¯Ô챸ºÍ4N¼¶´¿ÌúµÄµÍÑõ»¯Ô챸¼¼Êõ¡£Äܹ»ÅúÁ¿ÌṩÊг¡È«ÔªËغ¬Á¿¼ì²âµÄ3N¡¢3N5¡¢4NºÍ4N5ϵÁеĵç½âÌú²úÆ·¡£µç½â·¨Ô챸4N¼¶ÒÔÉϸߴ¿ÌúʵÏÖ²úÒµ»¯£¬Ìí²¹Á˹úÄÚµç½âÌúÊг¡ÆëÈ«ÒÀÀµ½ø¿ÚµÄ¾ÖÃæ£¬Í»ÆÆÁ˹ú±í¼¼Êõ¹Ø±Õ£¬ÊÇÎÒ¹ú»ù´¡×ÊÁϵÄÒ»¸ö³ÁÃͽøÈ¡¡£2023Ä꣬¡¶4N¼¶¸ßÃ÷´¿ÌúµÄÑÐÔìÓ뿪·¢¡·ÏîÄ¿ÈÙ»ñÓɹ¤ÐŲ¿¡¢¿Æ¼¼²¿¡¢¹ú·À¿Æ¹¤¾ÖµÈ¾Å²¿Î¯×éÖ¯µÄµÚÎå½ìÖйúÏȽø¼¼Êõת»¯ÀûÓôóÈüÐÂ×ÊÁÏÁìÓò¼¼Êõ´´ÐÂÀàΨһ½ð½±¡£
Â½Ðø¹¥¹Ø£¬Í»ÆÆ5N
Ϊ¹¥¿Ë5N¼¶³¬´¿ÌúÔ챸¼¼ÊõÄѹأ¬2022Äê4Ô£¬PIÏîÄ¿ÍŶÓÖУ¬Ð±¦GG¹âµç×Ó×ÊÁÏÓëÆ÷¼þ×êÑÐÖÐÐÄÖ÷ÈÎÍõÁÖ¾ü½ÌÊÚ½«ÒÑÓеİ뵼Ìå×ÊÁÏÌá´¿¼¼ÊõÓëÌúµÄ³¬´¿»¯Ïà½áºÏ£¬Ìá³öÁËÇøÈÛ·¨Ìá´¿³¬´¿Ìú¹æ»®¡£ÐìÈò½ÌÊÚЯ´øÀÏʦ¡¢×êÑÐÉú¾¹ýÁ½ÄêÂ½Ðø¼è¿àµÄ¿ÆÑй¤×÷£¬Éè¼ÆÔì×÷³ö¹úÄÚµÚһ̨³¬¸ßÕæ¿Õ´¹Ö±¸¡ÇøÇøÈÛ¯¡£¾¹ý´óÁ¿µÄÉî¿ÌÏêϸµÄ¿ÆÑй¤×÷£¬½øÒ»²½ÒâʶÁËÌúµÄÌá´¿·¨¹æºÍ»úÀí£¬ÐγÉϵͳµÄ³¬´¿ÌúµÄÌá´¿¼¼Êõ¡£

ͼ 1 ³¬¸ßÕæ¿Õ´¹Ö±¸¡ÇøÇøÈÛ¯
PIÍŶӳÖÐøÉî¿Ì·¢Õ¹³¢ÊÔ¹¤×÷£¬2023Äê9ÔÂѡȡµç½â¡ª¡ªÕæ¿ÕÈÛÁ¶¡ª¡ªÕæ¿Õ´¹Ö±ÇøÈÛÈýÖÖ×éºÏʽ·½Ê½³õ´ÎʵÏÖÁË5N³¬´¿Ìú¡£ÔÚ¾¹ý°ëÄê¶àµÄ³ÖÐøÖÂÁ¦£¬ÓÚ2024Äê3ÔÂÓÅ»¯»ñµÃÁËÒ»ÖÂÐÔÓÅÒì¡¢²»±ä¿É³Á¸´µÄÌá´¿¹¤ÒÕ¡£
¾µÚÈý·½¼ì²â£¬³¬´¿ÌúÑùÆ·´¿¶È¸ß´ï5N2£¨99.9992%£©£¬ÆäÖÐÆøÌåÔÓÖÊÔªËØº¬Á¿£¨Ì¼µªÑõÇ⣩½öΪ4.5 ppm£¬ÆäÓàÔªËØº¬Á¿×ܺÍΪ3.2 ppm£¨Ô̺¬ÆäËûËùÓÐGDMS¿ÉÕýÈ·ÕÉÁ¿µÄ73ÖÖÔÓÖÊÔªËØ£©¡£

ͼ 2 5N¼¶³¬´¿ÌúʵÎïͼ
½«À´¿ÉÆÚ
5N¼¶´¿ÌúµÄ³öÏÖ¶Ô×ÊÁϵĿÆÑ§×êÑÓ×¢¼¼Êõ´´Ð¡¢¹¤³ÌÀûÓõÅ×Ð×ųÁÒªµÄÒâ˼£¬5N¼¶´¿ÌúµÄ³É¹¦Ô챸ÊÇÎÒ¹úÔÚÕâÒ»ÁìÓòµÄÒ»¸ö³Á´ó¿Æ¼¼Í»ÆÆ£¬Ê¹µÃÎÒ¹úÔÚ´¿Ìú¿Æ¼¼ÁìÓòõÒ³öÉí½çǰÁС£
ÝÓÈÆ´¿ÌúµÄ´¿¶ÈÌáÉýµÄ×êÑл¹Ô¶Ô¼û»ÓÐ×ßÍê¡£Õë¶Ô5N¼¶³¬´¿Ìú×ÔÉí£¬PI¿ÆÑÐÍŶӽ«·¢Õ¹Á¦Ñ§¡¢´Åѧ¡¢µçѧ¡¢ÇÖÊ´ºÍÉúÎïÊÊÓ¦ÐԵȷ½ÃæµÄ¿ÆÑ§×êÑÐÓëÀûÓÿª·¢£¬ÍŶÓÒѶÔ×¼ÏÂÒ»²½¿ÆÑÐÖ¸±ê£¬ÌôÕ½¼«´¿Ìú£¨6N¼¶£©¼°ÇøÈÛ·¨Ô챸´ó³ß´çÌúµ¥¾§¡£