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通过用滴体积法测定溶液的表面张力,用电导法测定溶液的电导串来研究C_3F_7CH_2OH与C_(10)H_(21)SO_4Na混合水溶液的物理化学性质。结果表明:C_3F_7CH_2OH或NaCl的加入都能增加C_(10)H_(21)SO_4Na溶液的表面活性,两种方法测得的胶团反离子结合度规律一致,即随着C_3F_7CH_2OH量增加而增加,与C_6H_(13)OH情况不同。
The physicochemical properties of C_3F_7CH_2OH and C_ (10) H_ (21) SO_4Na mixed aqueous solutions were studied by measuring the surface tension of the solution by drop volume method and measuring the electrical conductance of the solution by conductivity method. The results showed that the addition of C_3F_7CH_2OH or NaCl could increase the surface activity of the C_ (10) H_ (21) SO_4Na solution. The binding energies of the micelles were the same as those of C_3F_7CH_2OH or C_6H_ (13) OH situation is different.