The Use of Ammonium Perchlorate with the Hydrogen-Argon-Entrained Air Flame in Atomic Absorption Spectroscopy

Burke, Keith E.; Albright, C.H.

doi:10.1007/978-1-4684-7962-1_3

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Interaction Between Desolvation and Vaporization2

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1974

1978

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“…This decomposition is very exothermic (39) and above 350 °C results in a product mixture of CI2, N2, HCIO4, NOC1, HC1, H2O, N2, and O2 (40). The heat and gaseous products evolved during decomposition will probably both aid in particle breakup and locally heat the gases surrounding the solute particles to speed vaporization (41).…”

Section: Interaction Between Desolvation and Vaporizationmentioning

confidence: 99%

“…Because of this, it would seem that the Ca emission intensity should be identical for chloride and perchlorate after both salts have reached maximum vaporization. One explanation is that the oxygen produced upon perchlorate decomposition alters the flame temperature or radical population in the area of the vaporized atoms, thereby enhancing vaporization (41). However, at this point no evidence has been found to support or refute this explanation.…”

Section: Interaction Between Desolvation and Vaporizationmentioning

confidence: 99%

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