²é¿´: 223  |  »Ø¸´: 8
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

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¥
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
²é¿´È«²¿ 9 ¸ö»Ø´ð

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

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
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 317Çóµ÷¼Á +12 Éê×ÓÉêÉê 2026-03-19 18/900 2026-03-22 22:23 by luoyongfeng
[¿¼ÑÐ] ÕÐ08¿¼Êýѧ +4 laoshidan 2026-03-20 8/400 2026-03-22 19:56 by СƤµ°½´
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +5 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 5/250 2026-03-22 16:42 by tcx007
[¿¼ÑÐ] 311Çóµ÷¼Á +3 26ÑÐ0 2026-03-20 3/150 2026-03-22 14:46 by ColorlessPI
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ070300 ѧ˶336Çóµ÷¼Á +5 vvÃÔ 2026-03-21 8/400 2026-03-22 14:20 by ColorlessPI
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶ 348·ÖÇóµ÷¼Á +3 ¶¬´Ç. 2026-03-17 5/250 2026-03-21 18:47 by ѧԱ8dgXkO
[¿¼ÑÐ] 0703»¯Ñ§297Çóµ÷¼Á +3 Daisy¡î 2026-03-20 3/150 2026-03-21 17:45 by ColorlessPI
[¿¼ÑÐ] 279·ÖÇóµ÷¼Á Ò»Ö¾Ô¸211 +14 chaojifeixia 2026-03-19 15/750 2026-03-21 13:24 by zhukairuo
[¿¼ÑÐ] 330Çóµ÷¼Á0854 +3 assdll 2026-03-21 3/150 2026-03-21 13:01 by ²«»÷518
[¿¼ÑÐ] ²ÄÁÏѧѧ˶080502 337Çóµ÷¼Á-Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ +4 ˳˳˳mr 2026-03-18 5/250 2026-03-21 10:22 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ»¯Ñ§¹¤ÒÕרҵ£¨081702£©315·ÖÇóµ÷¼Á +12 yangfz 2026-03-17 12/600 2026-03-21 03:30 by JourneyLucky
[¿¼ÑÐ] 307Çóµ÷¼Á +3 wyyyqx 2026-03-17 3/150 2026-03-21 03:20 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ £¬070300»¯Ñ§Ñ§Ë¶£¬×Ü·Ö287£¬Ë«·ÇÒ»±¾£¬Çóµ÷¼Á¡£ +4 ³¿»èÏßÓëÐǺ£ 2026-03-19 4/200 2026-03-20 22:15 by JourneyLucky
[¿¼ÑÐ] ÖÐÄÏ´óѧ»¯Ñ§Ñ§Ë¶337Çóµ÷¼Á +3 niko- 2026-03-19 6/300 2026-03-20 21:58 by luoyongfeng
[¿¼ÑÐ] Çóµ÷¼Á +3 eation27 2026-03-20 3/150 2026-03-20 19:32 by JourneyLucky
[¿¼ÑÐ] ÕÐÊÕµ÷¼Á˶ʿ +4 lidianxing 2026-03-19 12/600 2026-03-20 12:25 by lidianxing
[¿¼ÑÐ] 085410È˹¤ÖÇÄÜר˶317Çóµ÷¼Á£¨0854¶¼¿ÉÒÔ£© +4 xbxudjdn 2026-03-18 4/200 2026-03-20 09:07 by ²»168
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +7 Ϊѧ666 2026-03-16 7/350 2026-03-19 14:48 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 085601ר˶£¬×Ü·Ö342Çóµ÷¼Á£¬µØÇø²»ÏÞ +5 share_joy 2026-03-16 5/250 2026-03-18 14:48 by haxia
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©´óѧ£¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ì£¬µ÷¼Á +4 Jy? 2026-03-16 4/200 2026-03-17 11:02 by gaoqiong
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û