Determination of lead and cadmium in organic solutions by electrothermal atomic absorption spectrometry with a transverse heated filter atomizer

Determination of As, Cd, Cu, Hg and Pb in biological samples by modern electrothermal atomic absorption spectrometry

“…[5,7,16,21,27,28,33,34,36,40,41,43,50,56,58,61,[68][69][70]73,74,77,[79][80][81]83,85,87,88,90,[92][93][94][95][97][98][99]102,114,115,121,125,127,128,131,134,135,144,148,149,152,154,1...…”

Feasibility of filter atomization in high-resolution continuum source atomic absorption spectrometry

“…Optical arrangement of the line source based AA instruments employed earlier with filter atomization [15][16][17][18][19][20][21][22][23][24] place rigorous restrictions on both parameters. Light losses due to reduced aperture of the light beam and intense radiation from the filter at high temperatures caused increase of noise from the photo detectors and, respectively, limited opportunities for the determination of less volatile elements.…”

“…Filter atomization in conventional AAS based on line sources was used as alternative to the traditional platform tube technique for the direct determination of high and medium volatile elements in samples associated with strong spectral and chemical interferences [11][12][13][14][15][16][17][18][19][20][21][22][23][24]. It provided reduction of interferences without involvement of chemical modifiers and the possibility for using larger sampling volumes of organic or inorganic liquids, while keeping the temperature program short.…”

“…It provided reduction of interferences without involvement of chemical modifiers and the possibility for using larger sampling volumes of organic or inorganic liquids, while keeping the temperature program short. Analytical characteristics of the transversely heated filter atomizer (THFA) have been verified in the analysis of organic extracts [18], fuels [19] and biological samples [20][21][22][23][24]. The atomizers were produced modifying commercial transversely heated graphite atomizers (Perkin Elmer) by furnishing the tube with filter and collector, instead of a platform.…”

Analyse de métaux traces dans les produits pétroliers, état de l'art

“…Cette mise au point est poussée dans son extrême avec Mbileni et al (2002) où un four transverse poreux est utilisé pour injecter l'échantillon. La modification de la partie four de cet appareil n'est pas proposée dans le commerce mais semble pouvoir accepter des volumes d'injection plus important.…”