Flame spectrophotometric determination of borate based on diborane generation
作者： Kitao Fujiwara , Hiroyuki Tsubota , Shin-ichiro Tsumura , Sachimi Iwata , Takahiro Kumamaru
DOI: 10.1016/S0003-2670(00)80979-4
关键词:
摘要: Hydride (diborane) generation from borate ion and detection of the generated diborane by emission in a hydrogen diffusion flame are discussed. Borate can be converted to heating mixture (obtained evaporating an aqueous solution dryness at 80° C) LiAlH4 powder ar 160° C. Other reducing agents, such as LiH, NaH, KH CaH2, did not produce on their mixtures up 800° Also, addition magnesium have any effect generation. When was introduced into flame, spectra showed presence BO BO2. To obtain this emission, must outside fringe flame. The limit method 10 μg B boric acid.
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