用实验方法研究了铬在层流氢/空气预混火焰中的氧化行为.首先把铬以蒸汽状态添加到火焰中,就保证了铬完全没有被氧化.在燃烧过程中产生了Cr2O3颗粒和其它气态铬的金属氧化物.对预混火焰中样本的分析表明,起初随着与燃烧器的距离增加,六价铬的数量也增加;当与燃烧器的距离增大到一定值时,六价铬的数量就开始减少,直至5%.
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