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Type: Artigo de periódico
Title: Easy dual-mode ambient mass spectrometry with Venturi self-pumping, canned air, disposable parts and voltage-free sonic-spray ionization
Author: Schwab, NV
Porcari, AM
Coelho, MB
Schmidt, EM
Jara, JL
Visentainer, JV
Eberlin, MN
Abstract: An exceptionally easy to assemble source for ambient mass spectrometry is described. Based on Venturi easy ambient sonic-spray ionization (V-EASI), the source was further simplified by the use of a can of compressed air which simultaneously provides solution or solvent Venturi self-pumping and continuous, stable and abundant low-noise ion signal via voltage-free sonic-spraying. Further simplification was also attained by the use of inexpensive and readily commercially available parts: a surgical 2-way catheter, an aerosol can of compressed air, a 30 cm long fused-silica capillary and a hypodermic needle. This 'Spartan' V-EASI source seems to offer one of the easiest and cheapest ways to make ions for ambient desorption/ionization mass spectrometry analysis of both liquid and solid samples.
Country: Inglaterra
Editor: Royal Soc Chemistry
Citation: Analyst. Royal Soc Chemistry, v. 137, n. 11, n. 2537, n. 2540, 2012.
Rights: aberto
Identifier DOI: 10.1039/c2an16312h
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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