Determination of nitrogen in atmospheric aerosols by proton activation analysis

Clemenson, Mark.; Novakov, T.; Markowitz, Samuel S.

doi:10.1021/ac50040a029

Cited by 4 publications

(3 citation statements)

References 12 publications

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“…Protons were accelerated as H2+ ions. Standards were irradiated with protons in the energy interval [10][11][12][13][14][15][16][17][18][19][20][21][22] MeV and deuterons in the interval 15-25 MeV. They were irradiated at currents of 100-500 nA for periods 5-10 min.…”

Section: Methodsmentioning

confidence: 99%

“…Olivier et al (4) and Gihwala et al ( 5) used prompt techniques, involving deuterons and a particles, which are useful up to the parts-per-million level. Among the activation techniques, photon activation analysis (PAA) and charged particle activation analysis (CPAA) are most powerful (6)(7)(8)(9)(10)(11)(12). They enable the determination of nitrogen at the sub-parts-per-million level and the main advantage offered by these techniques is the absence of blanks.…”

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confidence: 99%

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Determination of nitrogen by charged particle activation with beryllium-7 as the indicator radionuclide

Sastri¹,

Kriváň²

1981

Anal. Chem.

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A new activation method for the determination of nitrogen based on 14N(p,2a)'Be and ''N(d,2an)7Be reactions is proposed. The advantages and iimttations of proton and deuteron activations are discussed. Both activation methods were applied to the determination of nitrogen in niobium and the results obtained are compared with that found by the Kjeidahl method. The detection limits achievable in this matrix, for 10 PA current and 2 h irradiation tlme, are 3 and 25 ppb for 22-MeV protons and 25-MeV deuterons, respectively.

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Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Determination of nitrogen by charged particle activation with beryllium-7 as the indicator radionuclide

Sastri¹,

Kriváň²

1981

Anal. Chem.

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“…A new activation-analysis method for the determination of carbon in atmospheric aerosols which uses only a short amount of beam time (2 min) will be described here. This method has already been used to determine nitrogen in aerosols (12), and future work will center on the development of a method for the determination of oxygen in aerosols.…”

Section: Literature Citedmentioning

confidence: 99%