scholarly journals Direct analysis of urines of newborn babys by liquid ionization mass spectrometry.

1989 ◽  
Vol 37 (1) ◽  
pp. 79-90 ◽  
Author(s):  
Yukio Yokoyama ◽  
Hiroaki Kakinuma ◽  
Masahiko Tsuchiya
Keyword(s):  
Mass Spectrometry ◽  
Direct Analysis ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Liquid Ionization

Direct analysis of naphthenic acids in produced water and crude oil by NH2-surface-modified wooden-tip electrospray ionization mass spectrometry

2021 ◽  
Author(s):  
Thais A. M. da Silva ◽  
Igor Pereira ◽  
Deborah V. A. de Aguiar ◽  
Gabriel F. dos Santos ◽  
Talita P. de Brito ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Electrospray Ionization ◽  
Electrospray Ionization Mass Spectrometry ◽  
Produced Water ◽  
Naphthenic Acid ◽  
Direct Analysis ◽  
Naphthenic Acids ◽  
Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Surface Modified

An NH2-surface-coated wooden-tip electrospray ionization mass spectrometry method was developed for naphthenic acid analysis in water samples.

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