Znn3bq.jpeg
²é¿´: 1623  |  »Ø¸´: 11

huangrui5036

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] 10L·¢½ÍpH¿ØÖÆ

10LµÄ·¢½ÍÌå»ý·¢½Íʱ£¬pHÏÈÉÏÉý0.5~0.8¸öµ¥Î»£¬È»ºóϽµ2.0~2.5¸öµ¥Î»£¬Èç¹ûÎÒÏë×öpH¿ØÖƵϰ£¬ËáÓÃHCl£¬¼îÓÃNaOH£¬Ó¦¸Ã·Ö±ðÓöà´óŨ¶ÈµÄÄØ£¿Å¨¶ÈСÁ˼ÓÈëµÄÁ¿¹ý´ó£¬Å¨¶È´óÁËÓֻᵼÖ¿ØÖƲ»Îȶ¨¡£Ïñ10LµÄÌå»ý´ó¼ÒÒ»°ãÓöà´óŨ¶ÈÄØ£¿ÓÐÈË˵ÓÃ2MµÄ£¬ÓÐÈË˵ÓÃ1MµÄ£¬Ò²ÓÐ˵ÓÃ5MµÄ¡£Çë×ö¹ýµÄ»Ø´ð£¬Ð»Ð»£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

Ò»Æðѧϰ£¬Ò»Æð½ø²½
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wnagcolin

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
laozuzunzhe: ½ð±Ò+2, ¹ÄÀøÓ¦Öú½»Á÷£¡ 2013-05-15 13:41:46
ºÇºÇ£¬ÎÒÃÇÓÃ15%ÖÊÁ¿Å¨¶ÈµÄNaOH£¬ÄãÓõľúÓ¦¸ÃÊDzúËáµÄ£¬Ö»ÐèÒª²¹¼î¿ØpH¾ÍÐÐÁË¡£¿ªÊ¼pHÉý¸ßÒ»µãµãû±ØÒªÔÙÓÃËáµ÷»ØÀ´£¬ÑÎËáÖ»ÄܹýÂËÃð¾ú£¬ÕâÑùÔö´óÁËȾ¾ú¼¸ÂÊ
2Â¥2013-05-14 10:23:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chshen06188

Í­³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
laozuzunzhe: ½ð±Ò+1, ¹ÄÀø½»Á÷Ó¦Öú£¡ 2013-05-15 13:42:06
huangrui5036: ½ð±Ò+5, ¡ïÓаïÖú 2013-05-24 15:29:36
Äã·¢½Íʲô²úÆ·£¿Ò»°ã·¢½Í¹ý³Ì²»ÓÃÑÎËáºÍÉÕ¼î¿ØÖÆPH£¬Ò»°ãÖ»Óð±Ë®¡£
ÖñÕÈâЬÇáʤÂí£¬Ò»Ëò·çÓêÈÎÆ½Éú¡£
3Â¥2013-05-14 10:23:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÄäÃû

Óû§×¢Ïú (ÖªÃû×÷¼Ò)

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
laozuzunzhe: ½ð±Ò+1, ¹ÄÀøÓ¦Öú½»Á÷£¡ 2013-05-15 13:42:33
±¾Ìû½öÂ¥Ö÷¿É¼û
4Â¥2013-05-14 10:39:14
ÒÑÔÄ   ÉêÇëMicEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³

lijinky

Òø³æ (СÓÐÃûÆø)

¿ÉÒÔÓÃ25%»ò50%µÄ°±Ë®¿ØÖÆph
5Â¥2013-05-14 11:43:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÄäÃû

Óû§×¢Ïú (ÖªÃû×÷¼Ò)

±¾Ìû½öÂ¥Ö÷¿É¼û
6Â¥2013-05-14 12:04:38
ÒÑÔÄ   ÉêÇëMicEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³

wentanbaodao

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ò»°ãûÓÐÈËÓÃÑÎËá»òÕßÊÇNaOH°É£¬ÓõÄÊǰ±Ë®£¬ËáÒ²ÊÇ´×Ëá¡£
7Â¥2013-05-14 15:42:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijinky

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by shangyukuan at 2013-05-14 12:04:38
°Ù¶È°Ù¿Æ£ºº¬°±28%¡«29%£¬ÃܶÈ0.9g/cm3¡£º¬°±Ô½¶à£¬ÃܶÈԽС£¬×îŨµÄ°±Ë®º¬°±35.28%£¬ÃܶÈ0.88g/cm3¡£

¿´À´ÄúÕæÊǸßÈËѽ...

Êǰ±Ë®µÄŨ¶ÈΪ25%»ò50%£¬²»Êǰ±µÄŨ¶È¡£
8Â¥2013-05-15 08:51:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÕÅÏãÁá1017

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

ÀäÒ¹Óê

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ïà¶ÔÀ´Ëµ»¹ÊÇÓð±Ë®¿ØPHÖµ½ÏºÃ°É£¬¼ÈÄܵ÷PHÓÖÄܲ¹³äÎÞ»úµª¡£
Ï£Íû´ó¼Ò¶à¶à½»Á÷¡£
9Â¥2013-05-15 09:25:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÑîÃ÷1983

Òø³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

Èç¹ûÄãµÄ²úÆ·ÊÇʳƷ¼¶µÄ£¬¿ÉÒÔÑ¡Ôñ20%̼ËáÄÆ¿ØÖÆpH£¬Ëá¿Ø¿ÉÑ¡Ôñ10%´×Ëá¡£
10Â¥2013-05-17 15:59:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ huangrui5036 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +16 MAXâê㯠2026-04-09 18/900 2026-04-10 20:24 by С¹íม«¡«
[¿¼ÑÐ] 085800 ÄÜÔ´¶¯Á¦Çóµ÷¼Á +6 °¢biu°¡°¡°¡°¡°¡ 2026-04-10 6/300 2026-04-10 15:03 by hemengdong
[¿¼ÑÐ] »¯Ñ§¹¤³ÌÓë¼¼Êõ324µ÷¼Á +22 Ëï³£»ª 2026-04-09 24/1200 2026-04-10 11:36 by may_ÐÂÓî
[¿¼ÑÐ] 080100Á¦Ñ§316Çóµ÷¼Á +7 L_Hairui 2026-04-07 7/350 2026-04-10 09:45 by vgtyfty
[¿¼ÑÐ] 278Çóµ÷¼Á +27 ·¶æÃÄÈ 2026-04-07 31/1550 2026-04-09 20:49 by zhouxiaoyu
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤301·ÖÇóµ÷¼ÁԺУ +33 ´ÌÍ´jk 2026-04-06 34/1700 2026-04-09 18:31 by hy861222
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖпÆÔº105500רҵ×Ü·Ö315Çóµ÷¼Á +6 lallalh 2026-04-09 7/350 2026-04-09 17:51 by lallalh
[¿¼ÑÐ] Çóµ÷¼Á²ÄÁÏ¿ÆÑ§Ó빤³ÌÒ»Ö¾Ô¸985³õÊÔ365·Ö +5 ²Ä»¯Àî¿É 2026-04-08 5/250 2026-04-09 17:00 by Lilly_Li
[¿¼ÑÐ] Ò»Ö¾Ô¸085404£¬×Ü·Ö291£¬Ëļ¶Òѹý£¬Çóµ÷¼Á +10 °¢¿¡°¢¿¡°¢¿¡ 2026-04-04 12/600 2026-04-09 16:18 by lin-da
[¿¼ÑÐ] 085400µç×ÓÐÅÏ¢Àࣨ´¨´ó¿ØÖƹ¤³Ì£©Çóµ÷¼Á¿É¿çרҵ ÇóÀÏʦÁªÏµ +3 626776879 2026-04-08 3/150 2026-04-09 16:05 by Öí»á·É
[˶²©¼ÒÔ°] ÓÐûÓÐѧУ²ÄÁÏרҵÊÕ¿çµ÷(Ò»Ö¾Ô¸085410) +5 momo(Éϰ¶°æ) 2026-04-06 8/400 2026-04-09 15:07 by onlyÖÜ
[¿¼ÑÐ] 263·ÖBÇøÇóµ÷¼Á +6 Àînihao 2026-04-08 6/300 2026-04-08 09:38 by ÄÏ¿ªÐ¡ôë
[¿¼ÑÐ] 323Çóµ÷¼Á +3 ÁÖzlu 2026-04-07 4/200 2026-04-07 23:21 by lbsjt
[¿¼ÑÐ] 292Çóµ÷¼Á +4 lilllllxccc 2026-04-05 5/250 2026-04-07 09:29 by ·Ä´óÑîÀÏʦ
[¿¼ÑÐ] 277¹¤¿ÆÇóµ÷¼Á +10 1915668 2026-04-04 11/550 2026-04-06 23:53 by ÐÄæÂÒâ±±
[¿¼ÑÐ] £¨µ÷¼Á£©Ò»Ö¾Ô¸±¨¿¼¹þ¶û±õ¹¤Òµ´óѧ0857×ÊÔ´Óë»·¾³×¨Òµ378·Ö¿¼Éú +7 ºÝºÝ¼ÓÓÍ 2026-04-05 8/400 2026-04-06 16:52 by momoð©
[¿¼ÑÐ] 377Çóµ÷¼Á +6 by.ovo 2026-04-05 6/300 2026-04-05 22:18 by dongzh2009
[¿¼ÑÐ] 296Çóµ÷¼Á +3 Íô£¡£¿£¡ 2026-04-05 5/250 2026-04-05 17:38 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼Á +4 ÊÇ¿ÉÀÖ²»ÊÇ¿ÉÀÖ 2026-04-04 4/200 2026-04-04 19:41 by ÌÆãå¶ù
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û