| ²é¿´: 636 | »Ø¸´: 2 | |||||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||||
±±Ô½×ÏÝÀгæ (СÓÐÃûÆø)
|
[ÇóÖú]
»ìºÏ»º³åÒºµÄÅäÖà ÒÑÓÐ2È˲ÎÓë
|
||||
|
ÏëÒªÅäÖÃpH·Ö±ðΪ4.0£¬5.5 ºÍ7.5µÄ»º³åÒº£¬·Ö±ðÑ¡¶¨´×Ëá¡¢MESºÍMOPS¡£µ«ÊÇÒªÇóÔÚÕâÈý¸öpHÏ»º³åÒºµÄ×é·ÖÏàͬ£¬ËùÒÔÀÏ°å¸øµÄ½¨ÒéÊǰѴ×Ëá¡¢MESºÍMOPSÈýÕß»ìºÏÆðÀ´£¬ÔÙÒÀ´Î°Ñ»ìºÏ»º³åÒºµÄpHµ÷µ½4.0£¬5.5ºÍ7.5. ¿ÉÄÜÓÐÈ˻ὨÒéÓÃcitric acid/Na2HPO4£¬Õâ¸ö²»·ûºÏÎÒµÄʵÑéÒªÇó£¬ËùÒÔÆúÑ¡¡£ ÏÖÔÚµÄÎÊÌâÊÇ£¬ÇëÎʸ÷³É·ÖµÄŨ¶ÈÓ¦¸ÃÔõôѡÔñ£¿ÁíÍâ»ìºÏÒÔºóµ÷½ÚpHÓÃʲô¼îÐÔÈÜÒº±È½ÏºÏÊÊ£¿ лл¸÷λ£¡ |
» ²ÂÄãϲ»¶
Î人·ÄÖ¯´óѧ-²ÄÁÏ¿ÆÑ§Ó빤³ÌѧԺ-½ªÎ°½ÜÇàÍŶÓ-ÕÐÉúÎï·½Ïòµ÷¼Á
ÒѾÓÐ0È˻ظ´
Î人·ÄÖ¯´óѧ-²ÄÁÏ¿ÆÑ§Ó빤³ÌѧԺ-ÕÐ ÉúÎï·½Ïò ˶ʿ£¡
ÒѾÓÐ0È˻ظ´
Óлú¸ß·Ö×Ó²ÄÁÏÂÛÎÄÈóÉ«/·ÒëÔõôÊÕ·Ñ?
ÒѾÓÐ143È˻ظ´
Î人·ÄÖ¯´óѧ-²ÄÁÏ¿ÆÑ§Ó빤³ÌѧԺ-½ªÎ°½ÜÇàÍŶÓ-ÕÐÉúÎï·½Ïòµ÷¼Á
ÒѾÓÐ0È˻ظ´
[Î人·ÄÖ¯´óѧ]²ÄÁÏѧԺ[½ªÎ°ÍŶÓÃû³Æ]¿ÎÌâ×é-2026Äê˶ʿÑо¿Éúµ÷¼ÁÐÅÏ¢
ÒѾÓÐ0È˻ظ´
Î人·ÄÖ¯´óѧ-²ÄÁÏ¿ÆÑ§Ó빤³ÌѧԺ-½ªÎ°½ÜÇàÍŶÓ-Õе÷¼Á
ÒѾÓÐ0È˻ظ´
ÉúÎïҽѧ²ÄÁÏÇ°ÑØ¿ÆÆÕ£ºµÍÃܶȡ¢¸ß¿×϶Âʵġ°¶à¿×΢Çò¡±ºËÐļ¼ÊõÓëÓ¦ÓÃÈ«¾°
ÒѾÓÐ1È˻ظ´
ºþÄϹ¤Òµ´óѧÖܹóÒú×éÕÐÉúÎïҽѧ¹¤³Ì£¨Ñ§Ë¶07¡¢08¶¼ÐУ©¡¢ÉúÎïÓëÒ½Ò©£¨×¨Ë¶08£©Ë¶Ê¿Éú
ÒѾÓÐ0È˻ظ´
ºþÄϹ¤Òµ´óѧÖܹóÒú×éÕÐÉúÎïҽѧ¹¤³Ì£¨Ñ§Ë¶07¡¢08¶¼ÐУ©ºÍÉúÎïÓëÒ½Ò©£¨×¨Ë¶08£©Ë¶Ê¿Éú
ÒѾÓÐ0È˻ظ´
¿¼ÑÐÇóµ÷¼Á
ÒѾÓÐ0È˻ظ´
2026ÄêÖÐÄÏÃñ×å´óѧ»¯Ñ§Óë²ÄÁÏ¿ÆÑ§Ñ§Ôºµ÷¼Á¹«¸æ
ÒѾÓÐ25È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
Á×ËỺ³åÒºµÄÅäÖü°Ê¹ÓÃ
ÒѾÓÐ3È˻ظ´
ÔõÑùÅäÖÆPH=5.5µÄÁ×ËáÑλº³åÒº.............
ÒѾÓÐ11È˻ظ´
ÇóÖúNaH2PO4 ºÍ Na2HPO4»º³åÈÜÒºµÄÅäÖÆ·½·¨£¨PH=4¡¢5¡¢6¡¢7¡¢8¡¢9,0.05mol/l£©
ÒѾÓÐ11È˻ظ´
ÈçºÎÅäÖÆ15mmol/LµÄÁ×ËáÄÆ»º³åÒºpH7.4
ÒѾÓÐ10È˻ظ´
PBS»º³åÒºÅäÖÆÎÊÌâ
ÒѾÓÐ8È˻ظ´
Çó´×ËáÁ×Ëá¼Ø»º³åÒºÅä·½
ÒѾÓÐ8È˻ظ´
¹ØÓÚTE»º³åÒºµÄÅäÖÆ
ÒѾÓÐ16È˻ظ´
NaH2PO4»º³åÒºÅäÖÃÇóÖú
ÒѾÓÐ10È˻ظ´
²âø»îÖеĻº³åÒºÔõôÅäÖÆ
ÒѾÓÐ11È˻ظ´
lÁ×ËỺ³åÒºµÄÅäÖÃ
ÒѾÓÐ18È˻ظ´
´×ËỺ³åÒºµÄÅäÖÆ
ÒѾÓÐ8È˻ظ´
ÇóÖú£¡£¡£¡pH6.0Á×ËỺ³åÒºµÄÅäÖÆ
ÒѾÓÐ3È˻ظ´
¹ØÓÚPBS»º³åÒºµÄÅäÖÆ
ÒѾÓÐ6È˻ظ´
Á×ËỺ³åÒºµÄÅäÖÃ
ÒѾÓÐ6È˻ظ´
ÇóÖúÒ»ÏÂ1*TAE»º³åÒºµÄÅäÖÃ
ÒѾÓÐ5È˻ظ´
¡¾ÇóÖú/½»Á÷¡¿Á×ËáÑλº³åÒºÅäÖÆ
ÒѾÓÐ7È˻ظ´
¡¾ÇóÖú/½»Á÷¡¿0.5mol/LPH7.0µÄÁ×ËỺ³åÒºÅäÖ÷½·¨
ÒѾÓÐ9È˻ظ´
¡¾ÇóÖú/½»Á÷¡¿ÅàÑø»ùÓ뻺³åÒºÅäÖÆµÄÎÊÌâ
ÒѾÓÐ9È˻ظ´
ÇóÖú¹ØÓÚÁ×ËáÑλº³åÒºµÄÅäÖÆ
ÒѾÓÐ10È˻ظ´
jiagle
ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)
-

ר¼Ò¾Ñé: +5165 - ICEPI: 166
- Ó¦Öú: 5678 (¸±½ÌÊÚ)
- ¹ó±ö: 2.513
- ½ð±Ò: 84732.4
- É¢½ð: 10041
- ºì»¨: 513
- Ìû×Ó: 8620
- ÔÚÏß: 1197.9Сʱ
- ³æºÅ: 1960227
- ×¢²á: 2012-08-28
- ÐÔ±ð: GG
- רҵ: ÎÞ»ú²ÄÁÏ»¯Ñ§
- ¹ÜϽ: ÎÞ»ú/Îﻯ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
|
Ê×ÏÈÕâ¸öÏë·¨¿ÉÒÔʵÏÖ£¬¶øÇÒ»¹¿ÉÒÔͨ¹ý¼ÆËãÖ±½ÓÅä³ö£¬µ±È»£¬Ò²¿ÉÒÔ¼òµ¥µØµ÷pHÀ´ÊµÏÖ¡£ÓÉÓÚ¼ÆËãÏà¶Ô±È½Ï¸´ÔÓ£¬¾Í½¨ÒéʹÓõ÷pHµÄ·½·¨¡£ ʹÓÃÔÁÏ£¬ÈýÖÖËᣨ²»ÓÃÑΣ©+NaOH 1¡¢½«ÈýÖÖËá°´ËùÐèÒªµÄ×é³É»ìºÏ£¬ËùµÃµ½µÄÈÜÒº·Ö³ÉÈýµÈ·Ý£» 2¡¢ÓÃNaOH·Ö±ð½«ËüÃǵÄpHµ÷µ½ËùÐèÒªµÄÖµºó£¬ÔÙ¶¨ÈݾͿÉÒÔÁË¡£ |
3Â¥2014-08-20 10:00:46
CruiserD
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- ICEPI: 4
- Ó¦Öú: 694 (²©Ê¿)
- ½ð±Ò: 21007.2
- ºì»¨: 103
- Ìû×Ó: 2414
- ÔÚÏß: 642.3Сʱ
- ³æºÅ: 1204059
- ×¢²á: 2011-02-15
- ÐÔ±ð: GG
- רҵ: »¯Ñ§ÉúÎïѧÓëÉúÎïÓлú»¯Ñ§

2Â¥2014-08-20 09:09:29














»Ø¸´´ËÂ¥
120