研究了用無溶劑重結(jié)晶法提純2,6二氯甲苯.Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.以對(duì)氯甲苯為原料,經(jīng)氯化、水解反應(yīng)合成對(duì)氯苯甲酰氯,總收率. 6%.%.The total yield and 4 - chlorohenzoyl chloride. 6 % and. %.研究炭管采集空氣...