摘要
采用硫酸锌结晶水合物作气相色谱固定相，加入己二酸二胆甾醇酯作改性剂，将富集后的酚类样品进行了有效的分离。平均回收率为９８．８９％～１０１．９２％，变异系数为１．１％～４．１％。
A simple method for analysis of 10μg/L level of phenols in water by using crystalline zinc sulfate hydrate as stationary phase with a modifier of dicholesterol adipate in gas chromatography is described. A new type of dicholesterol adipate was synthesized by reaction of cholesterin with adipic acid diethyl ester by using ester exchange reaction. The operating variables are discussed. The influences of the concentration of liquid phase and the temperature of column on resolution and the stability of column of zinc sulfate crystal line hydrate have been investigated. The average recoveries of phenols ranged from 98 89% to 101 92%. The relative standard deviations were in the range of 1 1% |4 1%.
出处
《色谱》
CAS
CSCD
北大核心
1998年第4期314-316,共3页
Chinese Journal of Chromatography
关键词
气相色谱
硫酸锌
结晶水合物
酚类
测定
固定相
gas chromatography, crystal zinc sulfate hydrate, phenol compounds
