The recent progress of sample introduction techniques including liquid, solid and gaseous sampling in ICP spectrometry is reviewed, 118 references are cited.
评述了电感耦合等离子体原子发射光谱中的 进样技术（ 包括液、固、气 进样技术）的新近 进展，引用近期文献118篇。
This invention first time uses ionic liquid as catalyst to compose metaformaldehyde of formaldehyde. Catalyst can be supplied for circular use for continuous sample introduction.
本发明首次使用离子液体作催化剂由 甲醛合成三聚甲醛，催化剂可供连续进样循环使用。
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