In this papaer, S-CO_2 extraction was concretely recommended and its results were statistically analysized. S-CO_2was used for analysis of full milk powder and dietetic milk powder, the recoveries of total fat were 97.4 and 98.4% respectively.

• 文中具体介绍了测定总脂肪的S-CO2萃取法；并对其测定结果进行了统计分析；S-CO2萃取法用于全脂奶粉和营养奶粉总脂肪的测定；其浸提率分别为97.；4%25和98