Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Yaneira Petit de Peña"'
Autor:
Yaneira Petit de Peña, Wendy Rondón
Publikováno v:
Revista Técnica de la Facultad de Ingeniería, Vol 37, Iss 3 (2016)
In this work, an analytical methodology for the determination of traces of cobalt in natural waters by formation of a neutral chelate with ammonium pyrrolidinedithiocarbamate(APDC) was developed. The neutral chelate formed was retained in a column pa
Externí odkaz:
https://doaj.org/article/bec8bca659e44f53969bbb5ed387500a
Publikováno v:
Avances en Química, Vol 5, Iss 2, Pp 79-86 (2010)
Determination of nickel in cereals and derivates by on line extraction and preconcentration with AAS detection. An analytical methodology for the determination of nickel traces in commercial solid samples of cereals and corn flour was developed. Nick
Externí odkaz:
https://doaj.org/article/d647af5d80bc420ab777d68344aa13a4
Autor:
Yaneira Petit de Peña, Wendy Rondón
Publikováno v:
Revista Técnica de la Facultad de Ingeniería, Vol 37, Iss 3, Pp 215-224
En este trabajo se desarrolló, una metodología analítica para la determinación de trazas de cobalto en aguas naturales mediante la formación de su quelato neutro con pirrolidinditiocarbamato de amonio (APDC). El quelato neutro formado fue reteni
Externí odkaz:
https://doaj.org/article/66b21625ec894f9695b812257afb5f11
Publikováno v:
Talanta. 136:136-144
A continuous flow hydride generation atomic absorption spectrometry (CF-HG-AAS) system was used to study the enhancement effect of different substances for conventional chemical HG of thallium. At room temperature, the acidified sample solution conta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d547366dbf82b338b8b4bb0ea5655be
https://doi.org/10.1016/j.talanta.2014.12.038
https://doi.org/10.1016/j.talanta.2014.12.038
Autor:
Wendy Rondón, Yaneira Petit de Peña
Publikováno v:
American Journal of Analytical Chemistry. :387-397
In this work, a flow injection analysis (FIA) method for the trace determination of lead, cadmium, nickel and cobalt in natural waters by formation of neutral chelates with ammonium pyrrolidine dithiocarbamate (APDC) was developed. The neutral chelat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa5b16096577a2509faf07e751f9871f
https://doi.org/10.4236/ajac.2013.48049
https://doi.org/10.4236/ajac.2013.48049
Autor:
José Vicente Scorza Dagert, Sabrina López, Nelson Vicuña-Fernández, Belén Pérez, Libia Vásquez, Elina Rojas, Laura Vásquez, Herminia Bendezú, Yaneira Petit de Peña, José Vicente Scorza
Publikováno v:
Current Therapeutic Research. 67(3):193-203
Background:Pentavalent antimony (SbV) has demonstrated therapeuticeffectiveness against clinical manifestations of leishmaniasis, an infection caused by Leishmania, a genus of flagellate protozoa comprising parasites of worldwide distribution. Approx
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8808f107efee8375c8967b2937b802a5
Autor:
Yaneira Petit de Peña, Wendy Rondón
Publikováno v:
Revista Técnica de la Facultad de Ingeniería Universidad del Zulia, Volume: 37, Issue: 3, Pages: 215-224, Published: DEC 2014
Revista Técnica de la Facultad de Ingeniería, Vol 37, Iss 3, Pp 215-224
Revista Técnica de la Facultad de Ingeniería, Vol 37, Iss 3, Pp 215-224
En este trabajo se desarrolló, una metodología analítica para la determinación de trazas de cobalto en aguas naturales mediante la formación de su quelato neutro con pirrolidinditiocarbamato de amonio (APDC). El quelato neutro formado fue reteni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b4451225e9d6bcc93e46bb31c39ef91a
http://www.scielo.org.ve/scielo.php?script=sci_arttext&pid=S0254-07702014000300004&lng=en&tlng=en
http://www.scielo.org.ve/scielo.php?script=sci_arttext&pid=S0254-07702014000300004&lng=en&tlng=en
Autor:
Marcela Burguera, Yaneira Petit de Peña, Rosario Brunetto, José Luis Burguera, Máximo Gallignani, Pablo Carrero, Jean-Louis Salager, Carlos Rondón, R. E. Antón, Maria Antonieta Arandia
Publikováno v:
Talanta. 68:179-186
The sequential injection (SIA) technique was applied for the on-line preparation of an "oil in water" microemulsion and for the determination of aluminum in new and used lubricating oils by electrothermal atomic absorption spectrometry (ET AAS) with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ef1247319b34da249297c654fc0dc31
https://doi.org/10.1016/j.talanta.2005.06.014
https://doi.org/10.1016/j.talanta.2005.06.014
Autor:
Máximo Gallignani, Pablo Carrero, Darveris Rivas, Marcela Burguera, María del Rosario Brunetto, Alarcón Om, O.P. Márquez, Yaneira Petit de Peña, Carlos Rondón, Jairo Márquez, José Luis Burguera
Publikováno v:
Talanta. 68:219-225
A sensitive and selective method was developed for the determination of traces of manganese in urine using on-line electrochemical preconcentration followed by flame atomic absorption spectrometry detection. A home made flow-through polypropylene cel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d72712a70f8b3ee9276c5eebcd725e6
https://doi.org/10.1016/j.talanta.2005.06.056
https://doi.org/10.1016/j.talanta.2005.06.056
Autor:
Yaneira Petit de Peña, José Luis Burguera, Luis M. Villasmil, María I. García, Marcela Burguera, Carlos Rondón
Publikováno v:
J. Anal. At. Spectrom.. 16:1190-1195
A method for the determination of bismuth in a variety of biological tissues (bovine liver and kidney, pig and human stomach, and human teeth and bone) by atomic absorption spectrometry with electrothermal atomization was developed and evaluated. Pla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::343a8cdff1cfa80c899c84d042ce9e6f
https://doi.org/10.1039/b103162g
https://doi.org/10.1039/b103162g