Znn3bq.jpeg
²é¿´: 215  |  »Ø¸´: 4
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

qingfanqie

½ð³æ (СÓÐÃûÆø)

[½»Á÷] ÇóÖú£ºÁ´Ã¹Ëزⶨ²»³ö·å

ÇóÖú£ºC8  4.6*250  5um   0.01mol/L ¸ý»ÇËáÄÆ+ ACN£¨77+23£© ÖùºóÑÜÉúÑÜÉúÊÔ¼Á 0.2mol/L NaOH£¬ 0.6m mol/L 1£¬2-ÝÁõ«-4-»ÇËáÄÆ  ±ê×¼1ppm  100ppb£¬ÎÞÂÛÊǵȶȻ¹ÊÇÌݶȶ¼²»³ö·å£¬¸Õ¿ªÊ¼½Ó´¥ÒºÏ࣬²»ÖªµÀÓÐʲô×öµÄ²»¶ÔºÍûעÒâµ½µÄµØ·½   ¼±Ðè°ïÖú£¬Ð»Ð»£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qingfanqie

½ð³æ (СÓÐÃûÆø)

µÈÁËËÄÊ®¶à·ÖÖÓ¶¼Ã»³ö·å£¬ºóÀ´¸Ä³ÉÁËÌݶȣ¬»¹ÊÇû³ö·å¡£½ñÌ쿼ÂÇÊDz»ÊÇÑÜÉúÊÔ¼Á¼ÓÈë˳ÐòÓÐÓ°Ï죬ÏȼÓÈëNaOH£¬Ã÷ÌìÊÔÊÔ»»Ò»Ï£¬µ«ÎҼǵÃÓиöÐбí°Ñ1£¬2-ÝÁõ«-4-»ÇËáÄÆÅäÔÚÁ÷¶¯Ï࣬¾õµÃÓ¦¸Ã²»»áÒòΪ˳ÐòµÄÎÊÌâ²»³ö·å£¬Ã÷ÌìÊÔÊÔÔÙ˵£¬Ð»Ð»
5Â¥2009-01-04 21:30:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

maxuedong

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

Сľ³æÖÕÉí¹ËÎÊ

ʲôÁ´Ã¹ËØ?²â¶¨±ê×¼³ö´¦?
ƽƽµ­µ­²ÅÊÇÕæ
2Â¥2009-01-04 15:23:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qingfanqie

½ð³æ (СÓÐÃûÆø)

ÒÀ¾ÝGB/T 21164-2007
²â¶¨ streptomycin  C21H39N7O12
3Â¥2009-01-04 15:27:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

maxuedong

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

Сľ³æÖÕÉí¹ËÎÊ

±ê×¼ÈÜÒºÓ¦³ö·å,¸Ã·½·¨Ö÷·å³ö·åʱ¼ä³¤.
ƽƽµ­µ­²ÅÊÇÕæ
4Â¥2009-01-04 15:42:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¿¼ÑжþÂÖµ÷¼Á +6 ¹ÊÈË?? 2026-04-09 6/300 2026-04-10 05:21 by chenzhimin
[¿¼ÑÐ] 268·Ö085602»¯Ñ§¹¤³Ìµ÷¼Á +22 ÔÂÕÕ»¨ÁÖ¡£ 2026-04-09 22/1100 2026-04-10 00:29 by ËïСС12457
[¿¼ÑÐ] һ־Ը˫·Ç085400µç×ÓÐÅÏ¢344 Çóµ÷¼Á£¬¶Ô²ÄÁϺͻ¯Ñ§·½ÏòÒ²¸ÐÐËȤ +7 ÎÞÇéµÄСÑò 2026-04-09 8/400 2026-04-09 21:22 by wwwbobobo
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
[¿¼ÑÐ] 293·ÖÇóµ÷¼Á£¬ÍâÓïΪ¶íÓï +7 ¼ÓÒ»Ò»¾Å 2026-04-07 10/500 2026-04-08 20:14 by yutian743
[¿¼ÑÐ] 307·Ö²ÄÁÏרҵÇóµ÷¼Á +12 Hllºú 2026-04-05 12/600 2026-04-08 16:33 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª¶«Àí¹¤085601²ÄÁϹ¤³Ì303·ÖÇóµ÷¼Á +15 a1708 2026-04-06 15/750 2026-04-08 16:23 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϿƴóÉúÎïѧ297·Ö£¬Çóµ÷¼ÁÍÆ¼ö +8 Y-yyusx 2026-04-06 9/450 2026-04-07 19:38 by biomichael
[¿¼ÑÐ] 26×ÔÈ»µØÀíѧ303·ÖÇóµ÷¼Á +4 Ò»Õ½³É˶°¡°¡°¡° 2026-04-06 9/450 2026-04-06 20:35 by lin-da
[¿¼ÑÐ] 285Çóµ÷¼Á +8 AZMK 2026-04-04 11/550 2026-04-06 13:56 by BruceLiu320
[¿¼ÑÐ] 277Çóµ÷¼Á +5 ¿¼Ñе÷¼Álxh 2026-04-05 5/250 2026-04-05 19:03 by chy09050039
[¿¼ÑÐ] µ÷¼Á +3 Àî¹ã»ð 2026-04-05 3/150 2026-04-05 18:57 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ²ÄÁÏר˶(0856) 339·ÖÇóµ÷¼Á +10 ¹þ¹þ¹þ¶ì¹þ¹þ¹þ 2026-04-04 10/500 2026-04-05 18:51 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ¿¼ÑÐÉúÎïѧ¿¼AÇø211£¬³õÊÔ322£¬¿ÆÄ¿Éú»¯ºÍÉúÎï×ۺϣ¬Çóµ÷¼Á +6 ¡£¡£¡£54 2026-04-03 6/300 2026-04-05 14:54 by JOKER0401
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉϺ£º£Ñó´óѧ083200ʳƷѧ˶£¬Çóµ÷¼Á£¬½ÓÊÜÆäËûרҵ083200 +4 whatÕÅ 2026-04-04 5/250 2026-04-05 14:07 by chw1980_0
[¿¼ÑÐ] 325Çóµ÷¼Á +4 ´º·ç²»½èÒâ 2026-04-04 4/200 2026-04-04 14:46 by ÏæÅ©´¢ÄܲÄÁÏ
[¿¼ÑÐ] ¿¼Ñе÷¼Á +4 zybz³å³å³å 2026-04-03 6/300 2026-04-04 13:08 by zybz³å³å³å
[¿¼ÑÐ] ±¾¿Æ985£¬×¨Òµ0812·Ö336Çóµ÷¼Á +4 ĪĪºÜÐÐ 2026-04-03 4/200 2026-04-03 21:31 by zhq0425
[¿¼ÑÐ] 285Çóµ÷¼Á +5 AZMK 2026-04-03 8/400 2026-04-03 18:17 by AZMK
[¿¼ÑÐ] Çóµ÷¼Á +3 ÐÄÏëÊÂ³É¿É 2026-04-03 3/150 2026-04-03 11:22 by wangjy2002
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û