Introducing multi-energy ratios as an alternative to multi-energy calibration for Br determination via high-resolution continuum source graphite furnace molecular absorption spectrometry. A case study

2020 ◽  
Vol 35 (11) ◽  
pp. 2606-2619
Author(s):  
Raúl Garde ◽  
Flávio V. Nakadi ◽  
Esperanza García-Ruiz ◽  
Martín Resano
Keyword(s):  
High Resolution ◽  
Matrix Effects ◽  
Graphite Furnace ◽  
Absorption Spectrometry ◽  
Energy Calibration ◽  
Molecular Absorption ◽  
Continuum Source ◽  
Molecular Absorption Spectrometry ◽  
Energy Ratios

Two different multi-signal calibration approaches are examined and their benefits for solving matrix effects for HR CS GFMAS demonstrated.

scholarly journals Chlorine isotope determination via the monitoring of the AlCl molecule by high-resolution continuum source graphite furnace molecular absorption spectrometry – a case study

2015 ◽  
Vol 30 (7) ◽  
pp. 1531-1540 ◽  
Author(s):  
F. V. Nakadi ◽  
M. A. M. S. da Veiga ◽  
M. Aramendía ◽  
E. García-Ruiz ◽  
M. Resano
Keyword(s):  
High Resolution ◽  
Isotope Dilution ◽  
Graphite Furnace ◽  
Absorption Spectrometry ◽  
Molecular Absorption ◽  
Continuum Source ◽  
Chlorine Isotope ◽  
Molecular Absorption Spectrometry ◽  
Isotope Determination

This article demonstrates the potential of HR CS GFMAS for providing Cl isotopic information and the benefits of using isotope dilution.

Chlorine determination via MgCl molecule in environmental samples using high resolution continuum source graphite furnace molecular absorption spectrometry

Talanta ◽  
2018 ◽  
Vol 176 ◽  
pp. 227-233 ◽  
Author(s):  
Rina Lourena da S. Medeiros ◽  
Sidnei Oliveira Souza ◽  
Rennan Geovanny Oliveira Araújo ◽  
Djalma Ribeiro da Silva ◽  
Tatiane de A. Maranhão
Keyword(s):  
High Resolution ◽  
Environmental Samples ◽  
Graphite Furnace ◽  
Absorption Spectrometry ◽  
Molecular Absorption ◽  
Continuum Source ◽  
Molecular Absorption Spectrometry

Calcium isotope determination in urine samples via the monitoring of 44CaF and 40CaF molecules by high-resolution continuum source graphite furnace molecular absorption spectrometry

2019 ◽  
Vol 34 (11) ◽  
pp. 2280-2287
Author(s):  
Melina B. T. Zanatta ◽  
Flávio V. Nakadi ◽  
Martin Resano ◽  
Márcia A. M. S. da Veiga
Keyword(s):  
High Resolution ◽  
Graphite Furnace ◽  
Absorption Spectrometry ◽  
Urine Samples ◽  
Calcium Isotope ◽  
Molecular Absorption ◽  
Continuum Source ◽  
Molecular Absorption Spectrometry ◽  
Isotope Determination

Calcium isotope determination in urine samples by HR CS GFMAS via CaF molecules. pH is a factor to consider guaranteeing the efficacy of CaF formation. Due to Cl interference, Ca should be separated from solutions by precipitation with (NH4)2C2O4.

Understanding polyatomic interference in the determination of phosphorus via PO molecules using high-resolution continuum source graphite furnace molecular absorption spectrometry with direct solid analysis

2020 ◽  
Vol 35 (10) ◽  
pp. 2305-2314 ◽  
Author(s):  
Luiza Carolina Pomarolli ◽  
Márcia Andréia Mesquita Silva da Veiga ◽  
Martín Resano ◽  
Flávio Venâncio Nakadi
Keyword(s):  
High Resolution ◽  
Graphite Furnace ◽  
Absorption Spectrometry ◽  
Molecular Absorption ◽  
Continuum Source ◽  
Molecular Absorption Spectrometry ◽  
Polyatomic Interference ◽  
Direct Solid Analysis ◽  
Direct Solid

Study of the occurrence of a molecular interference affecting the determination of phosphorus by the molecular absorption of PO at 213.647 nm using HR CS SS-GF MAS.

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