²é¿´: 9474  |  »Ø¸´: 10
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

anran_1224

½ð³æ (ÕýʽдÊÖ)

[½»Á÷] PH=1.0ºÍPH=1.2µÄÑÎËáÈܳö½éÖʵÄÅäÖÆ ÒÑÓÐ5È˲ÎÓë

Ä£ÄâθҺӦ¸ÃÓÃPH=1.0»¹ÊÇPH=1.2µÄÑÎËáÈÜ񼀯£¿Ò©µäÉÏPH=1.0£¬ÊÇÓÃ9mlµÄŨÑÎËá¼Óµ½1LË®ÖУ¬ÄÇPH=1.2µÄÈçºÎÅäÖÆÄØ£¿Ðè²»ÐèÒª²â¶¨PH ÄØ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

anran_1224

½ð³æ (ÕýʽдÊÖ)

ºÃºÃѧϰ£¬ÌìÌìÏòÉÏ
6Â¥2011-12-27 16:52:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 11 ¸ö»Ø´ð

mybioon123

½ð³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
È˹¤Î¸ÒºµÄÅä·½2010Ò©µäÉÏÓÐô£¬Ã»ÕÒµ½ÄØ£¿
3Â¥2011-12-23 12:24:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

anran_1224

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Â¥: Originally posted by mybioon123 at 2011-12-23 12:24:54:
È˹¤Î¸ÒºµÄÅä·½2010Ò©µäÉÏÓÐô£¬Ã»ÕÒµ½ÄØ£¿

ûÓÐÕÒµ½£¬Ö»Óеζ¨ÒºÀïÓÐÑÎËáµÄÅäÖÆ·½·¨
ºÃºÃѧϰ£¬ÌìÌìÏòÉÏ
4Â¥2011-12-27 15:06:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zghnlpf

ľ³æ (ÕýʽдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¶¹¸ç(½ð±Ò+1): лл²ÎÓë½»Á÷¡£ 2011-12-28 11:16:10
¿É²Î¿¼usp 1.2ÑÎËỺ³åÒºÅäÖÆ·½·¨£º

USP32  BUFFER SOLUTIONS

Composition of Standard Buffer Solutions
Hydrochloric Acid Buffer
Place 50 mL of the potassium chloride solution in a 200-mL volumetric flask, add the specified volume of the hydrochloric acid solution, then add water to volume.
pH        1.2        1.3        1.4        1.5        1.6        1.7        1.8        1.9        2.0        2.1        2.2
0.2 M HCl, mL        85.0        67.2        53.2        41.4        32.4        26.0        20.4        16.2        13.0        10.2        7.8

Potassium Chloride, 0.2 M¡ªDissolve 14.91 g of potassium chloride (KCl) in water, and dilute with water to 1000 mL.

ÉÏÃæpHºÍ 0.2M HCl¼ÓÈëÁ¿ÎªÒ»Ò»¶ÔÓ¦¹ØÏµ¡£±¾À´ÊǸö±í¸ñ£¬·¢ÉÏÀ´Ïß¾ÍûÁË£¬²»ÖªµÀ´¦Àí¡£Ò²¾ÍÕâÑùÁË¡£

ÃÀ¹úÒ©µä32°æ »º³åÑÎÈÜÒºÅäÖÆ·½·¨
±ê×¼»º³åÈÜÒºµÄ×é³É
ÑÎËỺ³åÑÎ
È¡50mlÂÈ»¯¼ØÈÜÒºÖÃ200mlÁ¿Æ¿ÖУ¬¼ÓÈ벻ͬÁ¿ÑÎËáÈÜÒº£¬È»ºó¼ÓË®ÖÁ¿Ì¶È¡£
pH        1.2        1.3        1.4        1.5        1.6        1.7        1.8        1.9        2.0        2.1        2.2
0.2 M HCl, mL        85.0        67.2        53.2        41.4        32.4        26.0        20.4        16.2        13.0        10.2        7.8

ÂÈ»¯¼ØÈÜÒº£¬0.2M¡ª³ÆÈ¡ÂÈ»¯¼Ø14.91g£¬ÒÔË®ÈܽⲢϡÊÍÖÁ1000ml¡£

[ Last edited by zghnlpf on 2011-12-27 at 16:36 ]
°¡£¬à»£¬Å¶£¬àÅ
5Â¥2011-12-27 16:33:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[½Ìʦ֮¼Ò] ½¹ÂÇ +9 Ë®±ùÔÂÔÂÒ°Íà 2026-03-13 13/650 2026-03-19 09:50 by otani
[¿¼ÑÐ] 285»¯¹¤Ñ§Ë¶Çóµ÷¼Á£¨081700£© +11 ²ñ¿¤Ã¨_ 2026-03-12 11/550 2026-03-19 09:37 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ£¬080502£¬354·ÖÇóµ÷¼Á +4 ÊØºòϦÑôCF 2026-03-18 4/200 2026-03-18 22:16 by li123456789.
[¿¼ÑÐ] 311Çóµ÷¼Á +4 ¶¬Ê®Èý 2026-03-18 4/200 2026-03-18 21:47 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 085601ר˶£¬×Ü·Ö342Çóµ÷¼Á£¬µØÇø²»ÏÞ +5 share_joy 2026-03-16 5/250 2026-03-18 14:48 by haxia
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +6 Ľº®mio 2026-03-16 6/300 2026-03-18 14:26 by 007_lilei
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»´ó£¬Çóµ÷¼Á +4 ²Ä»¯ÖðÃÎÈË 2026-03-18 4/200 2026-03-18 14:22 by 007_lilei
[¿¼ÑÐ] 280Çóµ÷¼Á +6 ¹¾ààÏþÏþ 2026-03-18 7/350 2026-03-18 11:25 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 303Çóµ÷¼Á +4 î£08 2026-03-17 6/300 2026-03-18 11:01 by Iveryant
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ÀäóÏ123 2026-03-17 3/150 2026-03-18 09:55 by macy2011
[¿¼ÑÐ] 334Çóµ÷¼Á +3 Ö¾´æ¸ßÔ¶ÒâÔÚ»úÐ 2026-03-16 3/150 2026-03-18 08:34 by lm4875102
[¿¼ÑÐ] 085601Çóµ÷¼Á +4 Du.11 2026-03-16 4/200 2026-03-17 17:08 by ruiyingmiao
[¿¼ÑÐ] 0854¿ØÖƹ¤³Ì 359Çóµ÷¼Á ¿É¿çרҵ +3 626776879 2026-03-14 9/450 2026-03-16 17:42 by 626776879
[¿¼ÑÐ] 070300»¯Ñ§Ñ§Ë¶Çóµ÷¼Á +6 Ì«Ïë½ø²½ÁË0608 2026-03-16 6/300 2026-03-16 16:13 by kykm678
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á 290·ÖÓпÆÑо­Àú£¬ÂÛÎÄÔÚͶ +7 ÄåÄågk 2026-03-14 7/350 2026-03-16 10:12 by houyaoxu
[¿¼ÑÐ] 297Ò»Ö¾Ô¸ÉϽ»085600Çóµ÷¼Á +5 Ö¸¼â°ËǧÀï 2026-03-14 5/250 2026-03-14 17:26 by a²»Ò×
[¿¼ÑÐ] 304Çóµ÷¼Á +6 Mochaaaa 2026-03-12 7/350 2026-03-13 22:18 by ÐÇ¿ÕÐÇÔÂ
[˶²©¼ÒÔ°] 085600 260·ÖÇóµ÷¼Á +3 Ìì¿Õ»¹ÏÂÓêô 2026-03-13 5/250 2026-03-13 18:46 by Ìì¿Õ»¹ÏÂÓêô
[¿¼ÑÐ] һ־Ըɽ´ó07»¯Ñ§ 332·Ö ËÄÁù¼¶Òѹý ±¾¿ÆÉ½¶«Ë«·Ç Çóµ÷¼Á£¡ +3 ²»ÏëÀíÄã 2026-03-12 3/150 2026-03-13 14:18 by JourneyLucky
[¿¼ÑÐ] 290Çóµ÷¼Á +3 ADT 2026-03-13 3/150 2026-03-13 10:19 by peike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û