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用顶空气相色谱法测定含氟牙膏中游离氟,可溶性氟及氟化物的含量。本法测定平均回收率98%,相对标准偏差2.1%。
Determination of Free Fluoride, Soluble Fluoride and Fluoride in Fluoride Toothpaste by Headspace Gas Chromatography. The method for the determination of the average recovery of 98%, the relative standard deviation of 2.1%.