²é¿´: 4352  |  »Ø¸´: 14
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ranfish

½ð³æ (СÓÐÃûÆø)


[½»Á÷] ¡¾ÇóÖú¡¿ÇëÎÊ£¬ÈçºÎÅäÖÆPH 7.4µÄPBS»º³åÒº£¬£¨Ê¹ÓÃNA2HPO4ºÍKH2PO4),лл£¡

ÈçÌ⣬ÈçºÎÅäÖÆPH 7.4µÄPBS»º³åÒº£¬£¨Ê¹ÓÃNA2HPO4ºÍKH2PO4£©£¬×îºÃÓÐÏêϸµÄ²½Öè¿ÉÒÔ²»£¿Õ¾ÄÚµÄÄǸöÅäÖ÷½·¨µÄÌû×Ó¿´¹ýÁË£¬Ã»¿´¶®¡­¡­¼±¼±¼±£¡£¡£¡
»Ø¸´´ËÂ¥

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

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

ranfish

½ð³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
Originally posted by marco5533 at 2011-03-22 14:41:14:
ÄãÅä0.2mol/LµÄNa2HPO4ºÍ0.3mol/LµÄKH2PO4£¬¾ßÌå¶àÉÙºÁÉý£¬¿´ÄãµÄÐèÒª£¡
PH7.4µÄ¾ÍÈ¡81mlNa2HPO4+19mlKH2PO4£¨Èç¹ûÄã¾ÍÐèÒªÒ»µã£¬¿ÉÒÔ°´±ÈÀýËõС)£¡

ÇëÎÊΪʲôKH2PO4ÊÇ0.3M/L£¿ÊÇÄãµÄ±ÊÎó»¹ÊÇȷʵҪÕâÑù£¿
3Â¥2011-03-23 09:07:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 15 ¸ö»Ø´ð

marco5533

Òø³æ (СÓÐÃûÆø)


¡ï ¡ï
zlin(½ð±Ò+2): ¹ÄÀø½»Á÷£¡ 2011-03-22 16:54:41
ranfish(½ð±Ò+3): 2011-03-23 09:06:54
ÄãÅä0.2mol/LµÄNa2HPO4ºÍ0.3mol/LµÄKH2PO4£¬¾ßÌå¶àÉÙºÁÉý£¬¿´ÄãµÄÐèÒª£¡
PH7.4µÄ¾ÍÈ¡81mlNa2HPO4+19mlKH2PO4£¨Èç¹ûÄã¾ÍÐèÒªÒ»µã£¬¿ÉÒÔ°´±ÈÀýËõС)£¡
2Â¥2011-03-22 14:41:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

marco5533

Òø³æ (СÓÐÃûÆø)


²»ÊDZÊÎ󣬵«ÊÇÎÒҲд´íÁË¡£NaH2PO4²ÅÊÇ0.3MµÄ~~Èç¹ûÄãÒªÅäNa2HPO4ºÍKH2PO4µÄÌåϵÊÇÁ½Õß¶¼Åä1/15mol/L£¬È»ºóPH7.4¾ÍÊÇÁ½ÕßÌå»ý±È8/2¡£
4Â¥2011-03-23 09:49:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ranfish

½ð³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
Originally posted by marco5533 at 2011-03-23 09:49:26:
²»ÊDZÊÎ󣬵«ÊÇÎÒҲд´íÁË¡£NaH2PO4²ÅÊÇ0.3MµÄ~~Èç¹ûÄãÒªÅäNa2HPO4ºÍKH2PO4µÄÌåϵÊÇÁ½Õß¶¼Åä1/15mol/L£¬È»ºóPH7.4¾ÍÊÇÁ½ÕßÌå»ý±È8/2¡£

Ã²ËÆÓÖÓбÊÎó¡­¡­
7Â¥2011-03-24 21:37:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏ¿¼Ñе÷¼Á +3 xwt¡£ 2026-03-19 3/150 2026-03-19 11:22 by wãåÑôw
[¿¼ÑÐ] 0817µ÷¼Á +3 ûÓдð°¸_ 2026-03-14 3/150 2026-03-19 09:51 by Xu de nuo
[¿¼ÑÐ] 274Çóµ÷¼Á +6 S.H1 2026-03-18 6/300 2026-03-19 09:34 by »¨µêÏà¼û
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +8 ÄÝÄÝninicgb 2026-03-15 12/600 2026-03-19 05:55 by anny19840123
[¿¼ÑÐ] 0703»¯Ñ§ 305Çóµ÷¼Á +4 FY_yy 2026-03-14 4/200 2026-03-19 05:54 by anny19840123
[¿¼ÑÐ] 354Çóµ÷¼Á +4 Tyoumou 2026-03-18 7/350 2026-03-18 21:45 by Tyoumou
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí²ÄÁÏ305·ÖÇóµ÷¼Á +5 ÏëÉϰ¶µÄÀðÓã 2026-03-18 6/300 2026-03-18 17:53 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 08¹¤¿Æ 320×Ü·Ö Çóµ÷¼Á +5 À滨çóÍí·ç 2026-03-17 5/250 2026-03-18 14:49 by haxia
[¿¼ÑÐ] 085601ר˶£¬×Ü·Ö342Çóµ÷¼Á£¬µØÇø²»ÏÞ +5 share_joy 2026-03-16 5/250 2026-03-18 14:48 by haxia
[»ù½ðÉêÇë] ±»ÎÒÑÔÖУºÐÂÄ£°å²»Ç¿µ÷¸ñʽÁË£¬¼Ùר¼Ò¿ªÊ¼¹Ü¸ñʽÁË +4 beefly 2026-03-14 4/200 2026-03-17 22:04 by »ÆÄñÓÚ·ÉChao
[¿¼ÑÐ] 296Çóµ÷¼Á +5 ´ó¿Ú³Ô·¹ ÉíÌ彡 2026-03-13 5/250 2026-03-17 21:05 by ²»»ó¿ÉÀÖ
[¿¼ÑÐ] 268Çóµ÷¼Á +7 ºÃÔËÁ¬Ã಻¾ø 2026-03-12 8/400 2026-03-17 20:28 by xilongliang
[¿¼²©] 26É격 +4 °Ë6°Ë68 2026-03-16 4/200 2026-03-17 13:00 by ÇáËɲ»ÉÙËæ
[¿¼ÑÐ] Ò»Ö¾Ô¸£¬¸£ÖÝ´óѧ²ÄÁÏר˶339·ÖÇóµ÷¼Á +3 ľ×ÓmomoÇàÕù 2026-03-15 3/150 2026-03-17 07:52 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703·½Ïò310·ÖÇóµ÷¼Á +3 ŬÁ¦·Ü¶·112 2026-03-15 3/150 2026-03-16 16:44 by houyaoxu
[¿¼ÑÐ] 294Çóµ÷¼Á +3 Zys010410@ 2026-03-13 4/200 2026-03-15 10:59 by zhq0425
[¿¼ÑÐ] 288Çóµ÷¼Á +4 Ææµã0314 2026-03-14 4/200 2026-03-14 23:04 by JourneyLucky
[¿¼ÑÐ] 266Çóµ÷¼Á +4 ѧԱ97LZgn 2026-03-13 4/200 2026-03-14 08:37 by zhukairuo
[¿¼ÑÐ] 070303Ò»Ö¾Ô¸Î÷±±´óѧѧ˶310ÕÒµ÷¼Á +3 dÈçÔ¸Éϰ¶ 2026-03-13 3/150 2026-03-13 10:43 by houyaoxu
[¿¼²©] ¸£ÖÝ´óѧÑî»ÆºÆ¿ÎÌâ×éÕÐÊÕ2026Äêרҵѧλ²©Ê¿Ñо¿Éú£¬2026.03.20½ØÖ¹ +3 Xiangyu_ou 2026-03-12 3/150 2026-03-13 09:36 by duanwu655
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û