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Molecular H3BO3 is obtained by heating crystalline orthoboric acid in vacuo to ∼ 40 °C. The IR spectrum of this species isolated in low-temp. 相似文献
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Mass spectrometric results indicate that thermolysis of NH4HCO3 results in the formation of the radical cation CH2O+· 3 (I), (m/z 62). 相似文献
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(SeO3)4 is shown to be the major species in the vapour above heated selenium trioxide, while above mixtures of H2SeO4/P2O5 significant portions of monomeric SeO3 are observed. 相似文献
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The novel title anions are generated in the source of a mass spectrometer under negative chemical ionization conditions Starting from Sb(OBu)3. 相似文献
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Seven cesium and 86 oxidized cesium clusters, CsnOm (0 < m < n; n = 3-14), are ionized in a one-photon process by means of a tunable cw dye laser and detected in a mass spectrometer. 相似文献