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Study on Viscosity of Non-ionic X-ray Contrast Agents

LUO Shi neng 1,2 SHEN Yong jia 1, XIE Min hao 2, LIU Ya ling 2, ZOU Pei 2, HE Yong jun 2 (1.East China University of Science and Technology, Shanghai 200237, China; 2.Jiangsu Institute of Nuclear Medicine, Jiangsu Wuxi, 214063, Chin  
The viscosity of several non ionic X ray contrast agents were studied. The results shows that the viscosity η (mPa·s) of the contrast agent solution increased rapidly with the increase of the concentration c( gI/mL) of contrast agent solution. The relationship between η and [ c] 4 is linear: η=a[c] 4+b . Moreover, the viscosity (η′ ) decreased as the temperature is increased.There is a negative linear relatianship between viscosity and temperature η′=a′t+b′ .
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