在石墨炉中直接分析吸附剂—富集物

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研究在分析以悬浮液形式注入石墨炉中的ПOЛИOPГС(POLYORGS)型吸附剂的富集物时,于该炉中所发生的各种过程。聚合吸附剂的主要分解产物是碳和含碳物质。保留在石墨炉表面的碳起着平台的作用(在测定Cu,Co,Ni,Au和铂族元素时),因而可强化还原过程并可防止分子化合物在早期加热阶段的蒸发。在有碳存在时,气相中游离氧的含量随之降低,从而导致砷,锑氧化物气体的产率下降。还研究了悬浮微粒的大小和浓
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