With the methods like dispersing KF on inert carriers, dispersing by slow distillation of its solution in polar organic solvent, freeze-drying and spry-drying, etc. are feasible .
指出KF氟化剂主要着重于提高比表面积，通过附载于惰性载体上、有机溶液的缓慢蒸发分散、 冷冻干燥和喷雾干燥等多种方法可以达到这个效果。
A method for determining 28 elements of diet samples was developed by using vacuum freeze-drying microwave digestion-ICP-MS in HNO3-H2O2 solution system.
采用真空冷冻干燥和硝酸过氧化氢体系微波消解处理饮食样品，ICP-MS法测定样品中28种元素的含量。
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