Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 503  |  »Ø¸´: 1
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

zxfgb

гæ (³õÈëÎÄ̳)

[ÇóÖú] ·­Òë³ÉÓ¢ÎÄ

³ÆÈ¡Ê³Æ·ËÜÁÏ´ü1g£¬¼ôËéºóºæ¸É¡£ÓÃÕý¸ýÍé×÷ÈܼÁÓÚÊÒÎÂ25¡æ·ÅÖÃ60min¡£È¡Õý¸ýÍé½þÅÝÒº25mlÓÚ·ÖҺ©¶·ÄÚ, ÓÃÒÒëæÌáÈ¡Á½´Î¡£ºÏ²¢ÒÒëæÏàºó,ÓÚµªÆøÁ÷ÏÂŨËõ,ÓÃË®¶¨ÈÝ£¬4¡æ±£´æ±¸Óᣴ¦ÀíÒº¼´ÎªÑùÆ·ÈÜÒº£¬ÓôËÈÜÒº×ö¼Ó±ê»ØÊÕʵÑé¡£
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cfind

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

zxfgb(½ð±Ò+5, ·­ÒëEPI+1): 2011-05-14 19:46:42
Took 1g food plastic bags, cut them into pieces and made them dry. Dissolved  them into heptane at 25 ¡æ for 60 minutes. Took 25 ml of the soak solution into a separatory funnel, then extracted with acetonitrile twice. Mixed the acetonitrile phase, then condensed it by nitrogen flow. Stored at 4¡æ after set to a constant volume of water. The treated solution is the sample solution, which was used in the standard addition test.
like it or lump it!
2Â¥2011-05-13 14:48:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ zxfgb µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 307·Ö²ÄÁÏרҵÇóµ÷¼Á +10 Hllºú 2026-04-05 10/500 2026-04-08 11:25 by Evan_Liu
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬»¯Ñ§310·Ö£¬±¾¿ÆÖصãË«·Ç£¬Çóµ÷¼Á +11 ŬÁ¦·Ü¶·112 2026-04-08 11/550 2026-04-08 11:11 by lijunpoly
[¿¼ÑÐ] ±¾¿ÆÖ£ÖÝ´óѧ£¬Ò»Ö¾Ô¸»ª¶«Ê¦·¶´óѧ282Çóµ÷¼Á +21 Ðܸçxtk 2026-04-07 24/1200 2026-04-08 09:48 by 123¿¼ÑÐ123
[¿¼ÑÐ] 266µ÷¼Á +6 daya sun 2026-04-07 7/350 2026-04-08 08:59 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼ÁÇóÖú£¨ÉúÎïÓëÒ½Ò©£© +6 @6952 2026-04-06 6/300 2026-04-07 23:52 by lys0704
[¿¼ÑÐ] Çóµ÷¼Á +11 Æâluck 2026-04-07 11/550 2026-04-07 22:59 by lbsjt
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©273Çóµ÷¼Á +14 ÀóÌâÄÏǽ 2026-04-05 15/750 2026-04-07 16:29 by ¿É¿Ú¿ÉÀÖ²»¼Ó±ùØ
[¿¼ÑÐ] 22408 318·ÖÇóµ÷¼Á +4 ÇڷܵÄСÁý°ü 2026-04-06 6/300 2026-04-07 15:05 by Ö½º×555
[¿¼ÑÐ] 295Çóµ÷¼Á +18 xndjjj 2026-04-04 19/950 2026-04-07 11:02 by wangjy2002
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +11 ´ó»ðɽС»ðɽ 2026-04-05 11/550 2026-04-06 22:55 by yunlongyang
[¿¼ÑÐ] 315Çóµ÷¼Á +5 £¦123456789 2026-04-05 5/250 2026-04-05 19:55 by nepu_uu
[¿¼ÑÐ] 085600µ÷¼Á +9 ¶«ÕÕÕÕÕÕ 2026-04-04 9/450 2026-04-05 13:44 by ujn_zhuj
[¿¼ÑÐ] 0832ʳƷ¿ÆÑ§Ó빤³Ìѧ˶282µ÷¼Á +6 ÓãÔÚË®ÖÐÓÎa 2026-04-02 9/450 2026-04-05 11:45 by flysky1234
[¿¼ÑÐ] ר˶310Çóµ÷¼Á +5 ÀÌÀÌÎÒ¡­. 2026-04-04 6/300 2026-04-04 23:33 by barlinike
[¿¼ÑÐ] µ÷¼Á +11 JLLLLLLLLLL 2026-04-03 11/550 2026-04-04 22:21 by hemengdong
[¿¼ÑÐ] Çóµ÷¼Á +6 Ë·Ë·»° 2026-04-02 7/350 2026-04-04 19:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 305Çóµ÷¼Á +3 77Qi 2026-04-03 3/150 2026-04-03 23:01 by qzxyhcsy
[¿¼ÑÐ] 317·Ö Ò»Ö¾Ô¸½­ÄÏ´óѧ »¯Ñ§¹¤³Ìѧ˶ Çóµ÷¼Á +6 YinTai 2026-04-03 6/300 2026-04-03 22:30 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] Çóµ÷¼Á +8 akdhjs 2026-04-03 8/400 2026-04-03 18:17 by ´÷άING
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸ÄϾ©Ê¦·¶´óѧ¼ÆËã»úר˶£¬³õÊÔ373£¬Áù¼¶Í¨¹ý£¬ +3 ¼ÆËã»ú×·ÃÎÈË 2026-04-01 3/150 2026-04-02 07:57 by fxue1114
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û