A Dispersive Liquid-Liquid Micro-Extraction Technique for the Pre-concentration and Quantification of Vitamin D(3) in Milk and Yogurt Samples Using a Non-Aqueous HPLC Method

采用分散液液微萃取技术对牛奶和酸奶样品中的维生素D(3)进行预浓缩和定量分析，并结合非水高效液相色谱法进行分析。