Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy
Autor(a) principal: | |
---|---|
Data de Publicação: | 1979 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFBA |
Texto Completo: | http://www.repositorio.ufba.br/ri/handle/ri/9198 |
Resumo: | Texto completo. Acesso restrito. p. 143–145 |
id |
UFBA-2_26dc0d168d975090b142754873e853ea |
---|---|
oai_identifier_str |
oai:repositorio.ufba.br:ri/9198 |
network_acronym_str |
UFBA-2 |
network_name_str |
Repositório Institucional da UFBA |
repository_id_str |
1932 |
spelling |
Sighinolfi, G.PaoloSantos, Adelaide M.Martinelli, GiovanniSighinolfi, G.PaoloSantos, Adelaide M.Martinelli, Giovanni2013-03-23T14:21:15Z2013-03-23T14:21:15Z19790039-9140http://www.repositorio.ufba.br/ri/handle/ri/9198v. 26, n. 2Texto completo. Acesso restrito. p. 143–145method is described for the determination of tellurium at nanogram levels in rocks and in other complex materials by the use of flameless atomic-absorption spectroscopy. A very selective organic extraction procedure is applied to avoid matrix interference effects during extraction of Tc and the atomization stage in the graphite furnace. Prior separation of iron and other interfering elements is achieved by a combined cupferron-ethyl acetate extraction. Tellerium is extracted from 6M hydrochloric acid with MIBK and stripped into aqueous medium. Pipetting of the aqueous extract into the graphite furnace gives fairly good instrumental reproducibility (2-3x, error). Detection limits of about 10 ppM Te for a 0.5-g sample have been achieved with the medium-performance apparatus used. Results for Te in some geochemical reference materials are reported. Indications arc given for the determination of Sb and MO in the same solutions.Submitted by Santiago Fabio (fabio.ssantiago@hotmail.com) on 2013-02-26T15:41:27Z No. of bitstreams: 1 11.pdf: 234326 bytes, checksum: a524fc2b174da3e570b112eb42e980ca (MD5)Approved for entry into archive by Rodrigo Meirelles(rodrigomei@ufba.br) on 2013-03-23T14:21:15Z (GMT) No. of bitstreams: 1 11.pdf: 234326 bytes, checksum: a524fc2b174da3e570b112eb42e980ca (MD5)Made available in DSpace on 2013-03-23T14:21:15Z (GMT). No. of bitstreams: 1 11.pdf: 234326 bytes, checksum: a524fc2b174da3e570b112eb42e980ca (MD5) Previous issue date: 1979SalvadorTalantahttp://dx.doi.org/10.1016/0039-9140(79)80233-7reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBADetermination of tellurium in geochemical materials by flameless atomic-absorption spectroscopyTalantainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleenginfo:eu-repo/semantics/openAccessORIGINAL11.pdf11.pdfapplication/pdf234326https://repositorio.ufba.br/bitstream/ri/9198/1/11.pdfa524fc2b174da3e570b112eb42e980caMD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/9198/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXT11.pdf.txt11.pdf.txtExtracted texttext/plain3https://repositorio.ufba.br/bitstream/ri/9198/3/11.pdf.txt2228e977ebea8966e27929f43e39cb67MD53ri/91982022-07-05 14:02:59.985oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:02:59Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
dc.title.pt_BR.fl_str_mv |
Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy |
dc.title.alternative.pt_BR.fl_str_mv |
Talanta |
title |
Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy |
spellingShingle |
Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy Sighinolfi, G.Paolo |
title_short |
Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy |
title_full |
Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy |
title_fullStr |
Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy |
title_full_unstemmed |
Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy |
title_sort |
Determination of tellurium in geochemical materials by flameless atomic-absorption spectroscopy |
author |
Sighinolfi, G.Paolo |
author_facet |
Sighinolfi, G.Paolo Santos, Adelaide M. Martinelli, Giovanni |
author_role |
author |
author2 |
Santos, Adelaide M. Martinelli, Giovanni |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Sighinolfi, G.Paolo Santos, Adelaide M. Martinelli, Giovanni Sighinolfi, G.Paolo Santos, Adelaide M. Martinelli, Giovanni |
description |
Texto completo. Acesso restrito. p. 143–145 |
publishDate |
1979 |
dc.date.issued.fl_str_mv |
1979 |
dc.date.accessioned.fl_str_mv |
2013-03-23T14:21:15Z |
dc.date.available.fl_str_mv |
2013-03-23T14:21:15Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.repositorio.ufba.br/ri/handle/ri/9198 |
dc.identifier.issn.none.fl_str_mv |
0039-9140 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 26, n. 2 |
identifier_str_mv |
0039-9140 v. 26, n. 2 |
url |
http://www.repositorio.ufba.br/ri/handle/ri/9198 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Talanta |
publisher.none.fl_str_mv |
Talanta |
dc.source.pt_BR.fl_str_mv |
http://dx.doi.org/10.1016/0039-9140(79)80233-7 |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFBA instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
instname_str |
Universidade Federal da Bahia (UFBA) |
instacron_str |
UFBA |
institution |
UFBA |
reponame_str |
Repositório Institucional da UFBA |
collection |
Repositório Institucional da UFBA |
bitstream.url.fl_str_mv |
https://repositorio.ufba.br/bitstream/ri/9198/1/11.pdf https://repositorio.ufba.br/bitstream/ri/9198/2/license.txt https://repositorio.ufba.br/bitstream/ri/9198/3/11.pdf.txt |
bitstream.checksum.fl_str_mv |
a524fc2b174da3e570b112eb42e980ca 1b89a9a0548218172d7c829f87a0eab9 2228e977ebea8966e27929f43e39cb67 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 |
repository.name.fl_str_mv |
Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA) |
repository.mail.fl_str_mv |
|
_version_ |
1808459422596333568 |