²é¿´: 4750  |  »Ø¸´: 8

zhoufenghou

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] 0.1M PH=7Á×ËáÑλº³åÒºµÄÅä·½ÊÇʲô£¿

ÈçÌâ
·Ç³£¸Ðл
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

anyaxiong

Ìú¸Ëľ³æ (ÖªÃû×÷¼Ò)

Õâ¸öºÜºÃÕÒ°É£¬ÄãËæ±ã°Ù¶È»ògoogleһϾÍÄÜÕÒµ½Åä·½ÁË£¬²»¹ýPBSÅä·½±È½Ï¶à£¬²»Í¬µÄʵÑéËùÐèPBSÅä·½²»¾¡Ïàͬ£¬×Ô¼ºÂýÂýÕÒ°É
°®Æ´²Å»áÓ®
2Â¥2012-03-07 17:59:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lihuan0525

½ð³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhang8826857(½ð±Ò+1): ¹ÄÀø½»Á÷ 2012-03-07 22:36:44
²é1molµÄ£¬²éµ½Õâ¸öÁË£¬È»ºó¾Í¿ÉÒÔÒÀÕÕÕâ¸öÅäºÃ£¬Ï¡ÊͳÉ0.1molµÄ
3Â¥2012-03-07 19:05:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chenpi886

½û³æ (ÕýʽдÊÖ)

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2012-03-07 23:50:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zdwxxw

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÒýÓûØÌû:
3Â¥: Originally posted by lihuan0525 at 2012-03-07 19:05:51:
²é1molµÄ£¬²éµ½Õâ¸öÁË£¬È»ºó¾Í¿ÉÒÔÒÀÕÕÕâ¸öÅäºÃ£¬Ï¡ÊͳÉ0.1molµÄ

ÎÒÏëÎÊһϣ¬Ï¡ÊÍÍêÁËpH»¹ÊÇ7.2Âð£¿
̤̤ʵʵ×öºÃ×Ô¼º£¬ÆäËûµÄÊÂÓëÄãÎ޹ء£
5Â¥2012-03-08 16:42:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zdwxxw

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

0.1M PBS ÈÜÒº£¨1L£©£º
NaCl 80g
Na2HPO4¡¤12H2O 32.3g
NaH2PO4¡¤2H2O 4.5g
¼ÓË«ÕôË® 900mL ×óÓÒ£¬ÓÃHCl/NaOH µ÷pHÖÁ 7.2£¬×îºó¶¨ÈÝΪ 1000mL¡£
̤̤ʵʵ×öºÃ×Ô¼º£¬ÆäËûµÄÊÂÓëÄãÎ޹ء£
6Â¥2012-03-08 16:47:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zdwxxw

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

²»ºÃÒâ˼£¬ÕâÊÇ7.2µÄÁË
̤̤ʵʵ×öºÃ×Ô¼º£¬ÆäËûµÄÊÂÓëÄãÎ޹ء£
7Â¥2012-03-08 16:51:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lihuan0525

½ð³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
5Â¥: Originally posted by zdwxxw at 2012-03-08 16:42:30:
ÎÒÏëÎÊһϣ¬Ï¡ÊÍÍêÁËpH»¹ÊÇ7.2Âð£¿

Ï¡ÊÍÍêÁËÖ±½ÓÓÃHCL»òÕßNAOHµ÷½âPH£¬²»»áÓÐÓ°ÏìµÄ¡£
8Â¥2012-03-08 21:52:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lihuan0525

½ð³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
5Â¥: Originally posted by zdwxxw at 2012-03-08 16:42:30:
ÎÒÏëÎÊһϣ¬Ï¡ÊÍÍêÁËpH»¹ÊÇ7.2Âð£¿

Ï¡ÊÍÍêÁËÖ±½ÓÓÃHCL»òÕßNAOHµ÷½âPH£¬²»»áÓÐÓ°ÏìµÄ¡£
9Â¥2012-03-08 21:52:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ zhoufenghou µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +6 Mqqqqqq 2026-03-19 6/300 2026-03-21 08:04 by JourneyLucky
[¿¼ÑÐ] 313Çóµ÷¼Á +3 ËÁÈþ·¡Ò¼22 2026-03-19 3/150 2026-03-21 08:01 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³×Ü·Ö308Çóµ÷¼Á +3 īīĮ 2026-03-20 3/150 2026-03-21 07:28 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ´ó 070300£¨»¯Ñ§£©304·ÖÇóµ÷¼Á +3 0703ÎäÜ·»ÛÑ©304 2026-03-18 3/150 2026-03-21 00:48 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©Àí¹¤´óѧ085701×ÊÔ´Óë»·¾³302·ÖÇóµ÷¼Á +4 ¿ûè÷ÎÀ¶Ó 2026-03-18 6/300 2026-03-20 23:02 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬×Ü·Ö320Çóµ÷¼Á +3 À§À§À§À§À¤À¤ 2026-03-20 3/150 2026-03-20 20:38 by ѧԱ8dgXkO
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á £¬Áù¼¶Òѹý£¬ÓпÆÑо­Àú +13 êØÎõÙâ 2026-03-15 13/650 2026-03-20 19:35 by Dream007008
[¿¼ÑÐ] ²ÄÁÏѧ˶318Çóµ÷¼Á +5 February_Feb 2026-03-19 5/250 2026-03-19 23:51 by 23Postgrad
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷°²½»Í¨´óѧ²ÄÁϹ¤³Ìרҵ 282·ÖÇóµ÷¼Á +5 ·ãÇÅZL 2026-03-18 7/350 2026-03-19 14:52 by ¹¦·ò·è¿ñ
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +7 Ϊѧ666 2026-03-16 7/350 2026-03-19 14:48 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] Ò»Ö¾Ô¸¸£´ó288Óлú»¯Ñ§£¬Çóµ÷¼Á +3 Сľ³æ200408204 2026-03-18 3/150 2026-03-19 13:31 by houyaoxu
[¿¼ÑÐ] Ò»Ö¾Ô¸985£¬±¾¿Æ211£¬0817»¯Ñ§¹¤³ÌÓë¼¼Êõ319Çóµ÷¼Á +10 Liwangman 2026-03-15 10/500 2026-03-19 10:25 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ¡¾Í¬¼ÃÈí¼þ¡¿Èí¼þ£¨085405£©¿¼ÑÐÇóµ÷¼Á +3 2026eternal 2026-03-18 3/150 2026-03-18 19:09 by ²«»÷518
[¿¼ÑÐ] ÊÕ¸´ÊÔµ÷¼ÁÉú +4 ÓêºóÇïºÉ 2026-03-18 4/200 2026-03-18 14:16 by elevennnne
[¿¼ÑÐ] 0854£¬¼ÆËã»úÀàÕÐÊÕµ÷¼Á +3 ºúÀ±ÌÀ·ÅÌÇ 2026-03-15 6/300 2026-03-18 12:09 by Éϰ¶Éϰ¶¡­¡­..
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 éÙËÌ. 2026-03-17 4/200 2026-03-17 21:43 by ÓÐÖ»ÀêÅ«
[¿¼²©] 26É격 +4 °Ë6°Ë68 2026-03-16 4/200 2026-03-17 13:00 by ÇáËɲ»ÉÙËæ
[¿¼ÑÐ] »úеר˶325£¬Ñ°ÕÒµ÷¼ÁԺУ +3 y9999 2026-03-15 5/250 2026-03-16 19:58 by y9999
[¿¼ÑÐ] 326Çóµ÷¼Á +3 mlpqaz03 2026-03-15 3/150 2026-03-16 07:33 by Iveryant
[¿¼ÑÐ] 0856ר˶279Çóµ÷¼Á +5 ¼ÓÓͼÓÓÍ£¡? 2026-03-15 5/250 2026-03-15 11:58 by 2020015
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û