CAJ | 학술논문

对用4-二甲氨基吡啶作催化剂（DMAP催化法）测定烷基醇聚氧乙烯醚羟值方法进行了研究，通过控制反应温度、反应时间及电位滴定搅拌速度，使羟值分析方法比国标法快速并准确．同时选取4种不同羟值的烷基醇聚氧乙烯醚样品进行了测定，测定结果的相对标准偏差〈0．3％（n=7），相对误差在±1％之间，测定结果与国标法测定结果相符合，是一种快速测定烷基醇聚氧乙烯醚羟值的方法．
대용4-이갑안기필정작최화제（DMAP최화법）측정완기순취양을희미간치방법진행료연구，통과공제반응온도、반응시간급전위적정교반속도，사간치분석방법비국표법쾌속병준학．동시선취4충불동간치적완기순취양을희미양품진행료측정，측정결과적상대표준편차〈0．3％（n=7），상대오차재±1％지간，측정결과여국표법측정결과상부합，시일충쾌속측정완기순취양을희미간치적방법．
Rapid determination of Hydroxyl Value of fatty alcohol polyether with 4-dimethylaminopyridine as catalyst was studied. The veracity and reliability of the results of analysis of Hydroxyl Value is further improved by adjusting reaction temperature, reaction time and stirring speed of potentiometric titration. Four kinds of sample with different hydroxyl value were measured. The relative standard deviation of results was less than 0.3 % ( rt = 7 ) , and the relative error was less than ± 1%. The determination results of the method were consistent with those of standard methods.