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Acta Physico-Chimica Sinica  1991, Vol. 7 Issue (01): 117-120    DOI: 10.3866/PKU.WHXB19910121
SAXS Studies of the Structure of Liquid Crystal 5%H2O-PC in Solutions of NaCl、KCl、Na2CO3、K2CO3
Yao Song-Nian; Cao Lian-Xin
The Center of Analysis and Test, Wuhan University
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Abstract  This paper describs the structural character of liquid-crystal of 5%H_2O-egg yolk phospholipid (PC) containing in avarious salt's solution, the layer distance was determined by means of SAXS method. Experimental results show that the layer distance of liquid crystal phase is increased in the 5%H_2O-PC system as the amount of solution of NaCl or KCl is increased. But on the addition of Na_2CO_3 or K_2CO_3 solution into the 5%H_2O-PC system the layer distance of liquid-crystal phase is held constant. It is considered that Na_2CO_3 or K_2CO_3, might be hydrolyzed producing OH~- ions, so that the latter could stablize the interfacial potential between water and egg yolk phospholipid. Absence of this behavior for solution of NaCl or KCl might be due to NaCl and KCl are salts which formed by strong acids and strong bases.

Key wordsEgg yolk phospholipid      Structure of liquid-crystal      Small angle X-ray scattering     
Received: 16 August 1989      Published: 15 February 1991
Corresponding Authors: Yao Song-Nian   
Cite this article:

Yao Song-Nian; Cao Lian-Xin. SAXS Studies of the Structure of Liquid Crystal 5%H2O-PC in Solutions of NaCl、KCl、Na2CO3、K2CO3. Acta Physico-Chimica Sinica, 1991, 7(01): 117-120.

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