Zobrazeno 1 - 10
of 203
pro vyhledávání: '"M. J. Marqués"'
Publikováno v:
Cuadernos de Investigación Geográfica, Vol 38, Iss 1, Pp 49-74 (2013)
La pérdida de productividad y el habitual uso de fertilizantes y pesticidas en los campos agrícolas españoles, nos hace reflexionar sobre la adecuación de los manejos utilizados. La erosión es uno de los procesos implicados en esta pérdida de p
Externí odkaz:
https://doaj.org/article/73fcd84dbefc4e6090e1c0cddc035a9c
Publikováno v:
Talanta. 53:1229-1239
A new procedure has been developed for chromium speciation in water by sequential injection analysis and flame atomic absorption spectrometry. The method involves the online retention of Cr(VI) anionic species and Cr(III) cationic species on alumina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e4569214f26deb4e044dd8ddaa8224f
https://doi.org/10.1016/s0039-9140(00)00616-0
https://doi.org/10.1016/s0039-9140(00)00616-0
Publikováno v:
Microchemical Journal. 65:177-187
An inductively coupled plasma-mass spectrometry (ICP-MS) method has been employed for trace element determination in five real sediment samples and a standard reference material. These samples were mineralized by dry ashing at 550°C and fused at 110
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c851a67f791c8fe8f8a0dde501b4283
https://doi.org/10.1016/s0026-265x(00)00051-5
https://doi.org/10.1016/s0026-265x(00)00051-5
Publikováno v:
Fresenius' Journal of Analytical Chemistry. 367:601-613
A thorough review of the literature published (1983 - March 1999) on chromium speciation in liquid samples is presented, and analytical techniques used in the 404 articles are summarized. The discussion focuses on atomic spectrometric techniques, whi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4360f0f029fc92e54ed3b54c4d1c494f
https://doi.org/10.1007/s002160000422
https://doi.org/10.1007/s002160000422
Publikováno v:
Microchemical Journal. 62:363-370
An electrothermal atomic absorption spectrometric method has been developed to determine total chromium concentration in natural sediment samples. Samples were mineralized by dry ashing at 550°C and fused at 1100°C for 30 min with lithium metaborat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f32d778218144540cdde2640216f8121
https://doi.org/10.1006/mchj.1999.1748
https://doi.org/10.1006/mchj.1999.1748
Publikováno v:
Fresenius' Journal of Analytical Chemistry. 362:239-248
The analytical literature about chromium speciation in solid samples has been surveyed. From 451 articles published on the speciation of chromium from 1983 to 1997, the methodologies to do speciation in solids after sample pretreatment are discussed,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bf0c4eea1778fc56ee047b688c06435
https://doi.org/10.1007/s002160051067
https://doi.org/10.1007/s002160051067
Akademický článek
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Publikováno v:
Talanta. 53(6)
A new procedure has been developed for chromium speciation in water by sequential injection analysis and flame atomic absorption spectrometry. The method involves the online retention of Cr(VI) anionic species and Cr(III) cationic species on alumina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::dc6f811f0a70a8f7068dc93d98c97989
https://pubmed.ncbi.nlm.nih.gov/18968217
https://pubmed.ncbi.nlm.nih.gov/18968217
Reducing water erosion in a gypsic soil by combined use of organic amendment and shrub revegetation.
Publikováno v:
Land Degradation & Development; Jul/Aug2005, Vol. 16 Issue 4, p339-350, 12p
Akademický článek
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