in water
addn. of H2NNH2*H2O to aq. soln. of lutidinic acid in equimolar ratio, mixture was kept over water bath until clear soln. was obtained; concn. to half of volume, crystn. at room temp. for four days, filtered,washed with ethanol, dried in vac.; elem. anal.;
参考文献
Saravanan; Govindarajan
Journal of Thermal Analysis and Calorimetry, 2003 , vol. 73, # 3 p. 951 - 959
