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The controlling chemistry of surface deposition from sodium and potassium seeded flames free of sulfur or chlorine impurities

机译:控制钠和钾种子火焰中不含硫或氯杂质的表面沉积的化学控制

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摘要

Sodium and potassium salt deposition have been studied in a series of propane and hydrogen flames free of sulfur or halogen impurities. With the collection probe in the 400 to 800 K range, samples of pure carbonate are observed and more importantly the rates of, for example, sodium carbonate deposition measured in terms of alkali metal are identical to those previously reported for sodium sulfate formation and also those observed for dominant NaCl deposition. Moreover, the behavior of Na_2CO_3 deposition mirrors exactly that of Na_2SO_4 in this temperature range.
机译:已在一系列不含硫或卤素杂质的丙烷和氢火焰中研究了钠和钾盐的沉积。使用400至800 K范围内的收集探针,可以观察到纯碳酸盐样品,更重要的是,例如,以碱金属计的碳酸钠沉积速率与先前报道的硫酸钠形成速率相同,并且观察到主要的NaCl沉积。此外,在此温度范围内,Na_2CO_3沉积行为与Na_2SO_4的行为完全相同。

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