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http://nopr.niscpr.res.in/handle/123456789/40088| Title: | Re-entrant isotropic behaviour in binary mixtures of optically active compounds |
| Authors: | Bamezai, R K Sharma, N K Vaid, Ranjana |
| Issue Date: | Jun-1998 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Re-entrant isotropic phase occurring in a binary mixture of (R,R) and (S,S) enantiomers of L4TAC which exhibits only a SmQ phase is reported. Reentrant isotropic behaviour is shown on both sides of the diagram of state which itself is the first system to our knowledge with the polymorphy : Isotropic - SmA - re-entrant isotropic - SmQ - crystalline. In this binary system, a drop in the clearing point temperature of about 60°C is observed in the concentration range of about 5 mol%. Moreover, an unusual polymorphy has been observed in this binary system. |
| Page(s): | 555-557 |
| ISSN: | 0975-0975(Online); 0376-4710(Print) |
| Appears in Collections: | IJC-A Vol.37A(06) [June 1998] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJCA 37A(6) 555-557.pdf | 268.48 kB | Adobe PDF | View/Open |
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