Znn3bq.jpeg
²é¿´: 229  |  »Ø¸´: 8
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

solarcell

Òø³æ (СÓÐÃûÆø)

[½»Á÷] Need help for purification of LiClO4 and tetramethyl ammonium perchlorate

Could someone tell me where I can find information on purification of LiClO4 and tetramethyl ammonium perchlorate
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

ulanhot

ľ³æ (ÕýʽдÊÖ)

¡ï
huyuchem(½ð±Ò+1):thanks
anhydrous lithium perchlorate is prepared by heating the commercially available anhydrous material or its trihydrate at 160 ¡ãC for 48 h under high vacuum (P2O5 trap).
2Â¥2006-06-27 22:17:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

solarcell

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by ulanhot at 2006-6-27 22:17:
anhydrous lithium perchlorate is prepared by heating the commercially available anhydrous material or its trihydrate at 160 ¡ãC for 48 h under high vacuum (P2O5 trap).

Your answer comes from Encyclopedian of Reagents. But it is kind of dangeous. Any better suggestion? Thanks
3Â¥2006-06-27 23:56:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lw1966hhh

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

crystd from water or 50% aq MeOH.
Rendered anhydrous by heating the trihydrate at 170-180 OC IN AN AIR OVEN.
RECRYSTD TWICE from acetonitrile and again dried under vacuum.
Ò»ÍùÎÞǰ
4Â¥2006-06-30 18:55:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

solarcell

Òø³æ (СÓÐÃûÆø)

You mean any of them can work, right?
5Â¥2006-07-01 09:15:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

miniearth

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

ÄãÌáµ½µÄÁ½¸ö»¯ºÏÎïĿǰ¶¼Êǵç½âÖÊ¡£ÄãÈç¹ûÐèÒªÌá´¿µ½4¸ö9ÒÔÉϵĴ¿¶È£¬ÄÇÊǼ¼Êõ»úÃÜ£¬¹À¼ÆºÜÄÑÕÒµ½´ð°¸¡£Ò»°ã¿ÉÒÔ´ÓÉú²úµç½âÖʵĹ«Ë¾µÃµ½´¿¶ÈºÜ¸ßµÄÎïÖÊ¡£
6Â¥2006-07-01 19:23:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

solarcell

Òø³æ (СÓÐÃûÆø)

It is my duty for the whole group. I do not need to care about how many 9 I can obtain. All I care about is how I can purify them.
7Â¥2006-07-03 12:55:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

solarcell

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by miniearth at 2006-7-1 19:23:
ÄãÌáµ½µÄÁ½¸ö»¯ºÏÎïĿǰ¶¼Êǵç½âÖÊ¡£ÄãÈç¹ûÐèÒªÌá´¿µ½4¸ö9ÒÔÉϵĴ¿¶È£¬ÄÇÊǼ¼Êõ»úÃÜ£¬¹À¼ÆºÜÄÑÕÒµ½´ð°¸¡£Ò»°ã¿ÉÒÔ´ÓÉú²úµç½âÖʵĹ«Ë¾µÃµ½´¿¶ÈºÜ¸ßµÄÎïÖÊ¡£

Thanks
8Â¥2006-07-03 12:55:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

solarcell

Òø³æ (СÓÐÃûÆø)

we purchased them from the company. The problem is that they sit there too long.
9Â¥2006-07-03 12:57:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ solarcell µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 291 Çóµ÷¼Á +38 »¯¹¤2026½ì±ÏÒµÉ 2026-04-09 39/1950 2026-04-15 08:03 by ²»ÎÒÀ­ÂÌ¿¨
[¿¼ÑÐ] 085400µç×ÓÐÅÏ¢Àࣨ´¨´ó¿ØÖƹ¤³Ì£©Çóµ÷¼Á¿É¿çרҵ ÇóÀÏʦÁªÏµ +6 626776879 2026-04-08 6/300 2026-04-14 20:09 by gwjxiaolang
[¿¼ÑÐ] һ־Ը³¶«´óѧ071000ÉúÎïѧѧ˶³õÊÔ·ÖÊý276Çóµ÷¼Á +26 Ľ¾øcc 2026-04-09 30/1500 2026-04-14 18:50 by ²ÌËÕÑô
[¿¼ÑÐ] 271Çóµ÷¼Á +35 2261744733 2026-04-11 41/2050 2026-04-14 15:36 by zs92450
[¿¼ÑÐ] Çóµ÷¼Á +20 MAXâê㯠2026-04-09 22/1100 2026-04-14 14:57 by ¶À×íÃι³Ç
[¿¼ÑÐ] 105500ҩѧÇóµ÷¼Á +4 x_skys 2026-04-12 4/200 2026-04-14 13:37 by rndfc
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó 085600 277 12²Ä¿Æ»ùÇóµ÷¼Á 5+5 chenny174 2026-04-10 37/1850 2026-04-14 07:39 by Abskk
[¿¼ÑÐ] Çóµ÷¼Á +3 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 3/150 2026-04-14 01:00 by Íõ¬Bè±
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] 0854µ÷¼Á +10 ³¤¹­°Á 2026-04-11 11/550 2026-04-13 10:38 by wp06
[¿¼ÑÐ] 322Çóµ÷¼Á +6 123°²¿µ 2026-04-12 13/650 2026-04-12 15:51 by 123°²¿µ
[ÕÒ¹¤×÷] ɽ¶«¸ßУ½Ìʦ¿¼ºË³¬¼¶ÎÞµ×Ïߣ¬Ô±¹¤¹ý²»ÏÂÈ¥À² +4 qut2026 2026-04-09 9/450 2026-04-12 00:54 by qut2026
[¿¼ÑÐ] »¯¹¤µ÷¼ÁÇóµ¼Ê¦ÊÕÁô£¡Ò»Ö¾Ô¸Ê§Àû£¬Ì¤Êµ¿Ï¸É£¬ÓÐÖ²ÎïÌáÈ¡¿ÆÑо­Àú +20 yzyzx 2026-04-09 21/1050 2026-04-12 00:12 by ССССÀ²À²À²
[¿¼ÑÐ] 303Çóµ÷¼Á +14 SereinQ 2026-04-10 15/750 2026-04-11 20:43 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +16 Ò¶zilin 2026-04-10 16/800 2026-04-11 11:04 by may_ÐÂÓî
[¿¼ÑÐ] 22408 327·ÖÇóµ÷¼Á +4 ÔÏ·çkon 2026-04-10 4/200 2026-04-11 09:51 by Öí»á·É
[¿¼ÑÐ] 368Çóµ÷¼Á +3 17385968172 2026-04-10 3/150 2026-04-10 20:12 by µç×Ӱµ±ë
[¿¼ÑÐ] 314Çóµ÷¼Á +18 xhhdjdjsjks 2026-04-09 19/950 2026-04-10 18:53 by HPUCZ
[¿¼ÑÐ] 070300»¯Ñ§ Çóµ÷¼Á +13 73372112 2026-04-08 13/650 2026-04-09 20:22 by maddjdld
[¿¼ÑÐ] ²ÄÁÏר˶³õÊÔ·Ö332Ò»Ö¾Ô¸Î÷±±¹¤Òµ´óѧ£¬ +12 ¹ÊÈË?? 2026-04-09 12/600 2026-04-09 18:34 by Ccclqqq
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û