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what the rules of TEA (triethyl amine)

Printed From: Sol-Gel Gateway
Category: Sol-Gel Forum
Forum Name: Sol-Gel and derived Materials
Forum Discription: Discussion on Bulk Gels, Aerogels, Xerogels, Drying procedures, Bulk glass and ceramics processing,etc
URL: http://www.solgel.com/sgforum/forum_posts.asp?TID=1707
Printed Date: 18 June 2019 at 1:39pm


Topic: what the rules of TEA (triethyl amine)
Posted By: Futurechemist
Subject: what the rules of TEA (triethyl amine)
Date Posted: 06 May 2008 at 11:33pm

i used sol gel method on preparation of Tio2 with TEA

1 ml buthyl titanate+20ml EtOH+100ml H20 (get pH=~2 after adjusted with HCl)
 
after stirring process about 4 h, clear solution should be obtained
(but i failed get dis! Why!!)
 
Then, 40ml of TEA is added(can anyone explain what the rules of TEA) before undergo refluxs process for 6h, 90 C.
 
My Question.
1)Why i hv failed to find the clear solution. I have repeated with methanol but still cant find it..
 
2)what the rules of TEA
 
Any comments are welcome...TQ very much



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