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	1.	Versatile microanalytical system with porous polypropylene capillary membrane for calibration gas generation and trace gaseous pollutants sampling applied to the analysis of formaldehyde, formic acid, acetic acid and ammonia in outdoor air. [electronic resource] by Coelho, Lúcia H G Melchert, Wanessa R Rocha, Flavio R Rocha, Fábio R P Gutz, Ivano G R Producer: 20110310 In: Talanta vol. 83 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Environmental formaldehyde analysis by active diffusive sampling with a bundle of polypropylene porous capillaries followed by capillary zone electrophoretic separation and contactless conductivity detection. [electronic resource] by Rocha, Flávio R Coelho, Lúcia H G Lopes, Marcelo L A Carvalho, Lilian R F da Silva, José A Fracassi do Lago, Claudimir L Gutz, Ivano G R Producer: 20080813 In: Talanta vol. 76 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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