ナトリウム塩の炎中における分子吸収スペクトル

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書誌事項

タイトル別名
  • Molecular absorption spectra of some sodium salts in flames
  • ナトリウムエン ノ ホノオチュウ ニ オケル ブンシ キュウシュウ スペクトル
  • 原子吸光分析における光干渉(III)

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抄録

Absorption spectra for some sodium salts such as sodium chloride, hydroxide, nitrate, sulfate and disodium hydrogen phosphate in air-acetylene and argon-hydrogen-air flames were measured in the wavelength range 2000 to 4000 Å. The absorption spectra measured with Hitachi 207 type atomic absorption spectrophotometer. D2 lamp was used as a continuous light source. The absorption spectra in air-acetylene flame were detected NaCl, NaOH, PO and NO molecules as shown in Fig. 1, 2. The absorption spectra of NaCl, NaOH and SO2 were obtained clearly in cool argon-hydrogen flame. The molecular absorption spectra of NaCl and NaOH were absorbed strongly in lean hydrogen flame. The band spectrum of NaCl was measured in (20003000) Å region, and the spectrum of NaOH was measured in (20004000) Å region as shown in Fig. 4. In rich hydrogen flame, the density of atomic sodium was increased because of these molecules were dissociated in the flame.

収録刊行物

  • 分析化学

    分析化学 28 (2), 77-82, 1979

    公益社団法人 日本分析化学会

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