Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 785  |  »Ø¸´: 3

²¼²¼Ð¡ÐÂĪ

½ð³æ (ÕýʽдÊÖ)

[½»Á÷] EDTAµÎ¶¨ÎÊÌâ ÒÑÓÐ2È˲ÎÓë

EDTAµÎ¶¨ÑùÆ·ÖеĸÆÀë×Óʱ£¬¼ÓÈë¸õºÚTָʾ¼ÁºÍ0.1mol NaOH 10mL ÑÕÉ«·´Ó¦ÂýÊÇÔõô»ØÊÂ?

ph ´óÁË »¹ÊÇСÁË£¿ ÑڱμÁ ÓõÄÊÇÈýÒÒ´¼°·¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ĪÍü³õÖÔ£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

½ð³ÇСѧÉú

ľ³æ (ÖøÃûдÊÖ)

Сľ³æ

¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
crity328: ½ð±Ò+1, ¸Ðл½»Á÷£¬»¶Ó­³£À´~ 2013-11-27 08:41:33
ÔÚÓøõºÚTָʾ¼ÁµÄʱºòÒªÓÃNH3¡ªNH3CL»º³åÈÜÒº£¬±£³ÖÔÚpHÖµ10×óÓÒ£¬ÑÕÉ«·´Ó¦²ÅÄÜÃ÷ÏÔ¡£

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
ÓÂÕß²»¾å¡¢ÖªÕß²»»ó¡¢ÈÊÕß²»ÓÇ¡£
2Â¥2013-11-26 22:58:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

»¯Ñ©577

½ð³æ (³õÈëÎÄ̳)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ʹÓÃÈýÒÒ´¼°·ÑÚ±Îʱ£¬ÐëÔÚPH¡¶4¼ÓÈ룬Ȼºóµ÷½ÚÖÁµÎ¶¨Ëá¶È¡£
¸õºÚTÓë¸ÆÀë×ÓÏÔÉ«µÄÁéÃô¶ÈµÍ£¬¿ÉÒÔÓÃK-Bָʾ¼Á¡£
²â¶¨¸ÆÀë×Óʱ£¬Ó¦µ÷½ÚPHµ½12~13£¬¼´¼ÓÈë°Ù·ÖÖ®¶þÊ®µÄ NaOH 10mL¡£ÓÃK-Bָʾ¼ÁÀ´ÏÔÉ«¡£
ÄãµÄPHƫСÁË
Æä´ÎÂçºÏµÎ¶¨·´Ó¦ËٶȽÏÂý£¬ÔÚ½Ó½üÖÕµãʱ£¬±ê×¼ÈÜÒºÂýÂý¼ÓÈ룬²¢³ä·ÖÒ¡¶¯¡£
²â¶¨Ë®ÖиÆÓ²¶ÈʱËùÓ÷½·¨ÉÔÓв»Í¬£¬Ò»°ãÓöԸÆÀë×ÓÏÔÉ«¸üÁéÃôµÄ¸ÆÖ¸Ê¾¼Á¡£
3Â¥2013-11-28 10:34:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²¼²¼Ð¡ÐÂĪ

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by »¯Ñ©577 at 2013-11-28 10:34:30
ʹÓÃÈýÒÒ´¼°·ÑÚ±Îʱ£¬ÐëÔÚPH¡¶4¼ÓÈ룬Ȼºóµ÷½ÚÖÁµÎ¶¨Ëá¶È¡£
¸õºÚTÓë¸ÆÀë×ÓÏÔÉ«µÄÁéÃô¶ÈµÍ£¬¿ÉÒÔÓÃK-Bָʾ¼Á¡£
²â¶¨¸ÆÀë×Óʱ£¬Ó¦µ÷½ÚPHµ½12~13£¬¼´¼ÓÈë°Ù·ÖÖ®¶þÊ®µÄ NaOH 10mL¡£ÓÃK-Bָʾ¼ÁÀ´ÏÔÉ«¡£
ÄãµÄPHƫСÁË ...

àÅ¡£²â¹ýpHÁË£¬È·ÊµÐ¡ÁË¡£µ÷½Úºó£¬Ð§¹ûºÃºÜ¶à¡£¶àлÀ²£¡
ĪÍü³õÖÔ£¡
4Â¥2013-11-28 13:00:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ²¼²¼Ð¡ÐÂĪ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 347²ÄÁÏר˶Çóµ÷¼Á +14 zj8215216 2026-04-06 14/700 2026-04-07 17:27 by Ëï¿¡¿¡
[¿¼ÑÐ] µ÷¼Á +4 mcbbc 2026-04-06 5/250 2026-04-07 12:33 by upczlm1989
[¿¼ÑÐ] ³õÊÔ301£¬´úÂë085701»·¾³¹¤³Ì£¬±¾Ë¶Ò»Ö£¬ËÄÁù¼¶Òѹý£¬ÓжþÇøÒ»×÷£¬¹²·¢±í5ƪÂÛÎÄ +11 axibli 2026-04-01 12/600 2026-04-07 11:20 by audery861007
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +10 ÏàÐűػá¹ââÍòÕ 2026-04-06 13/650 2026-04-07 08:57 by ·Ä´óÑîÀÏʦ
[¿¼ÑÐ] »úеר˶274Çóµ÷¼Á£¬²»ÌôרҵѧУ +6 ·º·º2333 2026-04-05 8/400 2026-04-06 18:06 by ·º·º2333
[¿¼ÑÐ] Ò»Ö¾Ô¸C9µÄ»¯Ñ§¹¤³Ì£¨085602£© 340·Ö£¬¸Ð¾õУÄÚµ÷¼ÁÎÞÍû£¬Çóµ÷¼Á +12 ÍòÊÂÒËÕé 2026-04-04 12/600 2026-04-06 07:46 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 294Çóµ÷¼Á +4 Grey_Ey 2026-04-01 5/250 2026-04-05 23:05 by Grey_Ey
[¿¼ÑÐ] 348Çóµ÷¼Á +6 wukira 2026-04-04 6/300 2026-04-05 18:11 by Öí»á·É
[¿¼ÑÐ] 284Çóµ÷¼Á +7 Ðìͬѧ_001 2026-04-04 13/650 2026-04-05 17:19 by yulian1987
[¿¼ÑÐ] 312Çóµ÷¼Á +3 Say Never 2026-04-04 3/150 2026-04-05 11:19 by guoweigw
[¿¼ÑÐ] 311·Ö 22408 Çóµ÷¼Á +3 bing_bot 2026-04-03 3/150 2026-04-05 00:43 by chongya
[¿¼ÑÐ] Äܶ¯µ÷¼Á326ר˶ +4 wan112233 2026-04-04 4/200 2026-04-04 22:47 by yu221
[¿¼ÑÐ] ÔõôɾÌû×Ó°¡ +3 ·ìêØ1000 2026-04-04 3/150 2026-04-04 14:20 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] ±¾9Ò»Ö¾Ô¸2 0854µÍ·Öר˶286Çóµ÷¼Á +9 âÖÖ111 2026-04-04 9/450 2026-04-04 11:01 by tangruihua
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸±±Àí325·ÖÇóµ÷¼Á +6 ÕÒµ÷¼Á£¬£¬ 2026-04-02 6/300 2026-04-03 22:20 by –¹Æ?
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤0856£¬³õÊÔ334 +3 26¿¼ÑвÄÁÏ 2026-04-02 3/150 2026-04-02 21:22 by dongzh2009
[¿¼ÑÐ] ²ÄÁÏ340·Öµ÷¼Á +7 ÏÄÒ¹Íí·ç_long 2026-04-02 9/450 2026-04-02 21:20 by dongzh2009
[¿¼ÑÐ] 346Çóµ÷¼Á +5 Ö£³ÏÀÖ 2026-04-02 5/250 2026-04-02 16:38 by SZW_UJN
[¿¼ÑÐ] 270µ÷¼Á +7 maxjxbsk 2026-04-02 7/350 2026-04-02 09:50 by yulian1987
[¿¼ÑÐ] 262Çóµ÷¼Á +9 ÀøÖ¾Ò»¶¨·¢ÎÄÕ 2026-03-31 10/500 2026-04-01 12:22 by sunshine0013
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û