ResultsThe linear range of determination for benzoic acid was 0.0~. mg/ml(r =0.999 ). The average recovery rate was 9.7%(cv =.%,n =). The contents of benzoic acid in the samples from P.ternana and other species of Araceae were determined.
ResultsThe linear range of determination for benzoic acid was 0.0~. mg/ml(r =0.999 ). The average recovery rate was 9.7%(cv =.%,n =). The contents of benzoic acid in the samples from P.ternana and other species of Araceae were determined.
果苯甲酸在0.0~.mg/m l浓度范围内具有良好的线形关系(r=0.999),平均回收率为9.7%(RSD=.%,n=),对半夏及其同科属其它品种共个样品中的苯甲酸含量进行了测定。