Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Arilson Lehmkuhl"'
Publikováno v:
Química Nova, Vol 32, Iss 4, Pp 1055-1058 (2009)
This works proposes a homemade construction of a lead(II) ISE of solid membrane (Ag2S/PbS) to determine Pb2+ ions in potentiometric titrations, using damaged combined glass electrodes. This electrode can be constructed in teaching laboratories, using
Externí odkaz:
https://doaj.org/article/a484e14c0dae41b6a695e22227c318db
Autor:
José Bento B. Silva, Maria B. O. Giacomelli, Arilson Lehmkuhl, Adilson J. Curtius, Roldão R. U. Queiróz, Ivan G. de Souza
Publikováno v:
Química Nova, Vol 22, Iss 1, Pp 18-21 (1999)
Externí odkaz:
https://doaj.org/article/6cd42779ea97481ab8d6048591134680
Autor:
Edgard Moreira Ganzarolli, Arilson Lehmkuhl, Roldão Rosevelt R. de Queiróz, Ivan Gonçalves de Souza
Publikováno v:
Química Nova, Vol 22, Iss 1, Pp 53-57 (1999)
Externí odkaz:
https://doaj.org/article/84e3713cedc447d5ac534d81b7e7e10d
Publikováno v:
Políticas Públicas na Educação Brasileira: Caminhos para a Inclusão 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e578e239f34f8396fd3c1d6a7eadc1b
https://doi.org/10.22533/at.ed.25319171015
https://doi.org/10.22533/at.ed.25319171015
Homemade construction of a lead(II) ion selective electrode: an alternative to experimental subjects
Publikováno v:
Química Nova, Volume: 32, Issue: 4, Pages: 1055-1058, Published: 2009
Química Nova v.32 n.4 2009
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova v.32 n.4 2009
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
This works proposes a homemade construction of a lead(II) ISE of solid membrane (Ag2S/PbS) to determine Pb2+ ions in potentiometric titrations, using damaged combined glass electrodes. This electrode can be constructed in teaching laboratories, using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fad2123567833e51e5a31dc0664042e1
https://doi.org/10.1590/s0100-40422009000400039
https://doi.org/10.1590/s0100-40422009000400039
Autor:
Arilson Lehmkuhl, Reinaldo Carvalho Silva, Maria Angélica Bonadiman Marin, Roldão Roosevelt Urzêdo de Queiróz, José Bento Borba da Silva, Edgard Moreira Ganzarolli
Publikováno v:
Química Nova v.23 n.1 2000
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 23, Issue: 1, Pages: 23-29, Published: FEB 2000
Química Nova, Vol 23, Iss 1, Pp 23-29 (2000)
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 23, Issue: 1, Pages: 23-29, Published: FEB 2000
Química Nova, Vol 23, Iss 1, Pp 23-29 (2000)
This study presents an automated system for potentiometric determination of free and total cyanide which employs a homogeneous membrane tubular ion-selective electrode. After the electrode is assembled, it is connected to a system composed of 3 three
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3d03ba5fdea682ae46cbe10ba65cc79
https://doi.org/10.1590/s0100-40422000000100006
https://doi.org/10.1590/s0100-40422000000100006
Autor:
Ivan Gonçalves de Souza, Arilson Lehmkuhl, Edgard Moreira Ganzarolli, Roldão Rosevelt R. de Queiróz
Publikováno v:
Química Nova, Vol 22, Iss 1, Pp 53-57 (1999)
Química Nova v.22 n.1 1999
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova v.22 n.1 1999
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
A new automated system for acid-base flow titrations is proposed. In the operation mode, several sample to titrant volumetric ratios are injected in an air segmented plug. Five three way solenoid valves and three acrilic junctions, assembled in a hid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03f7cab1f800961883bd3da12bc26c8a
http://www.scielo.br/pdf/qn/v22n1/1138.pdf
http://www.scielo.br/pdf/qn/v22n1/1138.pdf
Autor:
Maria Angelica, Bonadiman Marin, Edgard Moreira Ganzarolli, Arilson Lehmkuhl, Ivan Goncalves De Souza, Roldao Roosevelt, Urzedo De Queiroz
Publikováno v:
Journal of Automated Methods & Management in Chemistry. 21:23-26
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fed3e196c2a68bf3f6b73904b3b97f8
https://doi.org/10.1080/146392499300730
https://doi.org/10.1080/146392499300730
Autor:
Edgard Moreira Ganzarolli, Roldão Roosevelt Urzêdo de Queiróz, Ivan Gonçlves de Souza, Maria Angélica Bonadiman Martin, Arilson Lehmkuhl
Publikováno v:
Journal of Automated Methods and Management in Chemistry
This study presents a flow injection system for the sequential determination of free (CN-) and total (CN-+ HCN) cyanide using a potentiometric method which employs two different processes for the determination of these two chemical species. The first
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0affdb9a870a80d1e92bec2d1ba4548f
Publikováno v:
Química Nova. 22:136-137
A on-line thermostatization system that use simples materials, for flow injection and continuous flow analysis is described. The proposed system showed good performance between 10 to 40oC.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c0d6c518cfd2f95cd9c5fec4f44025c
https://doi.org/10.1590/s0100-40421999000100021
https://doi.org/10.1590/s0100-40421999000100021