During pretreatment, lyophilization was applied to avoid the loss of volatile organic acids; For standard curves of internal standard, double internal standards were applied to obtain better quantitative results.
During pretreatment, lyophilization was applied to avoid the loss of volatile organic acids; For standard curves of internal standard, double internal standards were applied to obtain better quantitative results.
在样品的前处理中使用了冷冻挥干技术，避免了前处理中挥发性有机酸的损失；在色谱内标标准曲线定量时引入了双内标，从而得到了较好的定量结果。