Notizen: Massenspektrographische Analyse von Pflanzenasche

Kluge, Siegfried; Dietze, H.-J.

doi:10.1515/znb-1968-1030

Cited by 5 publications

(3 citation statements)

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“…The reactant and sample ion concentrations are related to the total ion concentration by the equation: = nT + ns (7) Substituting this identity in Equation 6 and solving for rig yields:…”

Section: Resultsmentioning

confidence: 99%

“…It now seems possible to develop direct LC-MS-COM systems by directing liquid chromatography effluents into the vaporization zone, and to develop GC-MS-COM sys-tems based upon high resolution (more than 100,000 theoretical plates) thermostable glass capillary columns (7,8). Received for review July 23,1973 The analysis of trace heavy elements in biological media by spark source mass spectrometry has been studied.…”

Section: Discussionmentioning

confidence: 99%

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Subpicogram detection system for gas phase analysis based upon atmospheric pressure ionization (API) mass spectrometry

Carroll¹,

Džidić²,

Stillwell³

et al. 1974

Anal. Chem.

179

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Finally, the validity of employing "half-intensity" integrations is tested. When full resolution of a profile is lacking but the central portion of the profile is not affected by interferences which occur on only one side of the profile, then the profile is scanned from its free side and the intensity integration is performed only for the free half of the profile, that is, up to the peak-height channel. A user option programs profiles for half-intensity integration at the time of acquisition. The results in Table V indicate excellent precision for 9Be, an isotope for which all lines were computed by half-intensity integration. Also, the effect of mixing half-intensity and full-intensity calculations has not harmed the precision for integrated intensity vs. peak-height intensity for those isotopes so indicated in Table V.

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“…The reactant and sample ion concentrations are related to the total ion concentration by the equation: = nT + ns (7) Substituting this identity in Equation 6 and solving for rig yields:…”

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Subpicogram detection system for gas phase analysis based upon atmospheric pressure ionization (API) mass spectrometry

Carroll¹,

Džidić²,

Stillwell³

et al. 1974

Anal. Chem.

179

View full text Add to dashboard Cite

show abstract

“…The use of SSMS in analysis of biological samples is not a new subject (5)(6)(7)(8)(9)(10)(11). Evans and Morrison (9) have evaluated the applicability of SSMS for the quantitative determination of trace elements in biological materials, but their study did not emphasize the heavy element region or a direct sampling procedure.…”

mentioning

confidence: 99%