²é¿´: 1729  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

chun099

гæ (СÓÐÃûÆø)

[ÇóÖú] Ææ°¸±äÉ«´«Ëµ¡ª¡ªNaBH4»¹Ô­¹ó½ðÊôRu ÒÑÓÐ1È˲ÎÓë

¸÷λuuÃÇÄãÃǺã¬ÎÒĿǰÔÚ×öÒ»¿î´ß»¯¼ÁRu/Nb2O5£¬ÎÒÊÇÓÃÈýÂÈ»¯îɺÏÈýË®×÷ΪǰÇýÌåÀ´ºÏ³ÉµÄ¡£Ò»´ÎʵÑ飬ÎÒÓÃÁË1gNb2O5ÉÏÃæ¸ºÔØ0.01%µÄRu£¬ÎÒÔÚÓÃNaBH4µÎ¼Ó»¹Ô­µÄʱºò£¬¸Õ¿ªÊ¼°×É«µÄÈÜÒº¿ªÊ¼±äÀ¶£¬È»ºóÎÒ¿ªÊ¼¼ÆÊ±£¬¸øËü½Á°è1h£¬Õâ¸öʱºòËü±ä³ÉÁËÔ­Ïȵİ×É«£¡£¡ÎҵĻ¹Ô­¼ÁµÄÁ¿ÊÇ20 mL0.175mol/L£¬¼ÓÔÚ֮ǰÈÜNb2O5»ùÌåµÄ50mLÈÜÒºÖУ¬×îÖÕµÄÅðÇâ»¯ÄÆµÄÌåϵŨ¶ÈΪ0.05 mol/L¡£ÎÒÕâ¸öʱºò£¬ÈÏΪÊDz»ÊÇÎҵĴ߻¯¼ÁÁ¿¼ÓÉÙÁË£¬ÎÒ¾ÍÓÖ¼ÓÁË20 mL¸ÃŨ¶ÈµÄ»¹Ô­¼Á£¬·¢ÏÖËü»¹ÄܱäÀ¶£¡£¡£¬Õ¦µÎ£¿Ã»±»»¹Ô­¹»°¡£¿Õâ¸öʱºòÎÒÔÙ¸øËü½Á°èÆðÀ´£¬40 minµÄʱºò·¢ÏÖËüÓÖÓÖÓÖ¿ªÊ¼±ä°×£¡£¡
¸üÆæ¹ÖµÄÊÇ£¬ÎÒÎüÈ¡2.5 mLµÄÆäÖÐÒ»²¿·ÖÈÜÒº£¬¸øËü¹àÁ˺ܶ໹ԭ¼Á£¬È·ÊµÉÕ±­µ×²¿À¶É«µÄɳɳÁ£Á£Ã÷ÏÔÁË£¬Ææ¹ÖµÄÊÇ£¬¾ÍÕ⣡¸øËü½Á°èÆðÀ´À¶É«Ò»»á¶ùÓÖÏûʧ±ä°×£¬¸øËü¹ØÁ˽Á°è£¬²»Ò»»á¶ù£¬À¶É«ÓÖ³öÏÖ¡£¡£¡£¡£
ÎÒ֮ǰ×öµÄRu±ÈÀý½Ï´óµÄÀýÈç0.1%¡¢2%µÄ¼ÓÁË»¹Ô­¼Á½Á°è1 hÎÒûÓз¢ÏÖÈç´ËÃ÷ÏԵıäÉ«µÄÏÖÏó£¬ÕâÊÇÔõôÁË£¿
¸÷λ´óÀУ¬×ß¹ý·¹ýÇóÇóÖ¸µãÃÔ½ò°É£¬º¢×ÓÌ«ÄÑÊÜÁË
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chun099

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by С³æÃ«ÌÎÌÎ at 2022-08-17 08:35:27
Ru»¹Ô­ºóÊǺÚÉ«µÄ£¬Äã˵µÄÀ¶É«£¿Ã»¼û¹ýRuÏÔÀ¶É«Å¶£¬ÄãÊÔÊÔÔØÌå¿´£¬Nb2O5»á²»»áºÍ»¹Ô­¼Á·´Ó¦£¿´ß»¯¼ÁÖл¹Ìí¼ÓÓÐÆäËû¶«Î÷Âð

ÄǸönb2o5Êǰ×É«µÄ·ÛÄ©£¬¿ÉÄÜÊÇ»á±äÀ¶....Âï
3Â¥2022-09-05 19:14:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

С³æÃ«ÌÎÌÎ

ľ³æ (ÕýʽдÊÖ)

¹ó½ðÊô´ß»¯¼Áש¼Ò

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
chun099: ½ð±Ò+20 2022-09-05 19:13:09
Ru»¹Ô­ºóÊǺÚÉ«µÄ£¬Äã˵µÄÀ¶É«£¿Ã»¼û¹ýRuÏÔÀ¶É«Å¶£¬ÄãÊÔÊÔÔØÌå¿´£¬Nb2O5»á²»»áºÍ»¹Ô­¼Á·´Ó¦£¿´ß»¯¼ÁÖл¹Ìí¼ÓÓÐÆäËû¶«Î÷Âð
2Â¥2022-08-17 08:35:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

С³æÃ«ÌÎÌÎ

ľ³æ (ÕýʽдÊÖ)

¹ó½ðÊô´ß»¯¼Áש¼Ò

ÒýÓûØÌû:
3Â¥: Originally posted by chun099 at 2022-09-05 19:14:13
ÄǸönb2o5Êǰ×É«µÄ·ÛÄ©£¬¿ÉÄÜÊÇ»á±äÀ¶....Âï...

ÕÒÕÒÎÄÏ×°É£¬Õâ¸öÔØÌåÎҼǵÃÓб¨µÀ¹ý£¬ÕÒ±ÏÒµÂÛÎÄ
4Â¥2022-09-06 08:24:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chun099

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by С³æÃ«ÌÎÌÎ at 2022-09-06 08:24:18
ÕÒÕÒÎÄÏ×°É£¬Õâ¸öÔØÌåÎҼǵÃÓб¨µÀ¹ý£¬ÕÒ±ÏÒµÂÛÎÄ...

ºÃµÄÄØ
5Â¥2022-09-06 09:25:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓº£´óѧ085900ÍÁľˮÀûר˶279Çóµ÷¼Á²»Ìôרҵ +3 SunWwWwWw 2026-03-10 3/150 2026-03-11 11:02 by ÍÁľ¹¤³Ì¹ýÏßµ÷¼
[¿¼ÑÐ] 081200¼ÆËã»ú¿ÆÑ§Óë¼¼ÊõÊýÒ»Ó¢Ò»306Çóµ÷¼Á +3 intankt 2026-03-08 3/150 2026-03-11 10:50 by dandan413
[¿¼ÑÐ] ²ÄÁÏ371Çóµ÷¼Á +7 öùÓã? 2026-03-11 9/450 2026-03-11 10:31 by ľ¹Ï¸à
[¿¼ÑÐ] 0857 ×ÊÔ´Óë»·¾³ 285·Ö +5 δÃû¿¼Éú 2026-03-09 5/250 2026-03-11 10:20 by ɳĮ֮ºü994
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ²ÄÁÏÓ뻯¹¤275Çóµ÷¼Á 10+5 ´©Ö»Ñ¥×Ó 2026-03-07 19/950 2026-03-10 19:35 by zeng1010
[¿¼ÑÐ] 0856²ÄÁÏÓ뻯¹¤309·ÖÇóµ÷¼Á +4 ZyZy¡­¡­ 2026-03-10 4/200 2026-03-10 15:20 by houyaoxu
[¿¼ÑÐ] ½ÓÊÜ26½ìµ÷¼ÁÉú +21 ÖíÖíÖíë 2026-03-06 21/1050 2026-03-10 13:39 by Jack_333
[¿¼ÑÐ] 313Çóµ÷¼Á +4 YytÑî1 2026-03-07 5/250 2026-03-09 13:48 by macy2011
[¿¼ÑÐ] Ò»Ö¾Ô¸211 ²ÄÁÏÓ뻯¹¤ 280Çóµ÷¼Á +3 Sanity½¯ 2026-03-08 3/150 2026-03-09 06:35 by houyaoxu
[¿¼ÑÐ] Àíѧ287·ÖÇóµ÷¼Á +4 ¿´¿´ÎÒ. 2026-03-05 4/200 2026-03-08 22:11 by qingfeng258
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÖпƴó0702£¬ÊýÒ»Ó¢Ò»£¬293 +4 СÂÞ¶һ¶þ 2026-03-07 4/200 2026-03-08 16:36 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 267»¯¹¤µ÷¼ÁÇóÖú +7 ´ÏÉÙOZ 2026-03-04 7/350 2026-03-07 17:33 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] »¯Ñ§×¨Òµµ÷¼Á +5 ºÃºÃºÃ1233 2026-03-04 6/300 2026-03-06 15:38 by @ìªìªìªìª
[¿¼ÑÐ] Çóµ÷¼Á +5 danyyyy 2026-03-04 5/250 2026-03-06 08:16 by Leeding1356
[¿¼ÑÐ] ²ÄÁÏ¿¼ÑÐ339Çóµ÷¼Á +3 Karry*^_^* 2026-03-04 3/150 2026-03-06 00:32 by wutongshun
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +5 ws Éϰ¶Ñ¼ 2026-03-05 5/250 2026-03-05 20:06 by houyaoxu
[¿¼ÑÐ] Çóµ÷¼Á£¬Ñ§Ð£Ñо¿Ëù¶¼¿ÉÒÔ£¬²ÄÁÏÓ뻯¹¤267·Ö +6 wmx1 2026-03-05 6/300 2026-03-05 20:01 by houyaoxu
[¿¼ÑÐ] Çó²ÄÁϵ÷¼Á +4 berdmond 2026-03-05 4/200 2026-03-05 19:45 by ºÚÒÂÂøÍ·ÈË
[¿¼ÑÐ] 085602 293·ÖÇóµ÷¼Á +3 SivanNano. 2026-03-05 3/150 2026-03-05 19:41 by caszguilin
[¿¼ÑÐ] ²ÄÁÏѧ˶080500¸´ÊÔµ÷¼Á294 +3 ËÄÒ¶zjz 2026-03-04 3/150 2026-03-05 07:09 by kunm555
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û