Li Mei
2002
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Journal
Journal of Tianjin Institute of Technology
Abstract
1,5Naphthalenedisulfonic acid has been synthesized by treating naphthalene with oleum.Several reaction conditions,such as ratio of naphthalene to SO3,reaction time and temperature,were discussed.The optimal condition has been determined.It is shown that the affecting strength of diffrent factors the is temperaturethe concetration of oleumthe molar ratio of aphthalene to SO3rection time and the optimum condition for preparing 1,5naphthalenedisulfonic acid is the temperature:25℃,the molar ratio of SO3 to naphthalene:3,the concetration of oleum:20% and rection time:10 h,the yield of 1,5naphthalenedisulfonic acid is 58%.