The efficiency of the separation of the matrix is more than 99.9%. The recovery of standard addition of 15 trace impurities is 87—106%.
方法对于基体的分离效率达99.9%以上，痕量杂质的标准加料回收率在87—106%之间。
It contained high levels of impurities and unsafe levels of trace elements.
它含有高浓度的杂质和不安全的各级微量元素。
NF3 is a colorless gas. Trace quantities of impurities can impart a musty or pungent odor to the gas.
NF 3是无色气体。痕量的杂质会使气体带有一种霉味或刺激性气味。
应用推荐