Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Narumol Vachirapatama"'
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 34, Iss 3, Pp 303-307 (2012)
A capillary electrophoresis (CE) method for the simultaneous separation of transition metal ions was developed ona fused-silica column coated with poly(diallyldimethylammonium chloride) (PADDC). 2,6 -pyridine dicarboxylic acid (PDC)was used to form o
Externí odkaz:
https://doaj.org/article/d3f4462f99274e8e88400dfe08d387ad
Autor:
Narumol Vachirapatama, Yaowapha Jirakiattikul, Greg Dicinoski, Ashley T. Townsend, Paul R. Haddad
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 33, Iss 3, Pp 255-261 (2011)
Hydroponic experiments were conducted to investigate vanadium uptake by Chinese green mustard and tomato plantsand its effect on their growth. Twenty-eight (Chinese green mustard) and 79 days (tomato) after germination, the plants wereexposed for a f
Externí odkaz:
https://doaj.org/article/53a2e20bc7124ac4b1d83afce79cde8b
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 30, Iss 4, Pp 427-431 (2008)
The effects of vanadium on growth of Chinese green mustard (Brassica campestris spp. var. parachinensis) and itsaccumulation in plant tissues were investigated. Substrate culture was set to grow the plants. Two weeks after planting, plantswere expose
Externí odkaz:
https://doaj.org/article/7ab4175b40934597aba194104ee1c098
Publikováno v:
Journal of Food and Drug Analysis. 16
Seven synthetic dyes (amaranth, ponceau 4R, sudan red 1, tartrazine, sunset yellow FCF, fast green FCF and brilliant blue FCF), commonly used as colorant in foodstuffs and soft drinks, were investigated on monolithic C18 column by high performance li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd72fb7ff5c1fa811c4abf8477ab3793
https://doi.org/10.38212/2224-6614.2323
https://doi.org/10.38212/2224-6614.2323
Publikováno v:
Journal of Food and Drug Analysis. 19
Simple, fast and very sensitive high performance liquid chromatography (HPLC) and capillary electrophoresis (CE) methods for the determination of rutin were developed. The separation of rutin by HPLC was performed using a Chromolith RP 18 column with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcf5badd5e71dcb533de75c58dcd873f
https://doi.org/10.38212/2224-6614.2214
https://doi.org/10.38212/2224-6614.2214
Autor:
Paul R. Haddad, Ashley T. Townsend, Greg W. Dicinoski, Narumol Vachirapatama, Yaowapha Jirakiattikul
Publikováno v:
Analytica Chimica Acta. 543:70-76
An HPLC method for the determination of vanadium using on-line preconcentration and sample clean-up has been developed employing a C18 column. 4-(2-Pyridylazo) resorcinol (PAR) and hydrogen peroxide were used as pre-column complexing agents for the d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef71b755315c96c6e76993b97446e989
https://doi.org/10.1016/j.aca.2005.04.021
https://doi.org/10.1016/j.aca.2005.04.021
Publikováno v:
Journal of Chromatography A. 956:221-227
The separation and determination of the vanadium(V) ternary complex formed with 4-(2-pyridylazo)resorcinol (PAR) and hydrogen peroxide using ion-interaction reversed-phase high-performance liquid chromatography on a C18 column has been investigated.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b14aa84e034d58ede47192b32d295ea7
https://doi.org/10.1016/s0021-9673(02)00039-0
https://doi.org/10.1016/s0021-9673(02)00039-0
Publikováno v:
Analytica Chimica Acta. 434:301-307
A method was developed for the determination of Nb(V) and Ta(V) as anionic ternary complexes of a metallochromic ligand and citrate as the auxiliary ligand by capillary electrophoresis. Three metallochromic ligands were evaluated, namely 4-(2-pyridyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::688125c42ae03f03e21410d338a70cf3
https://doi.org/10.1016/s0003-2670(01)00833-9
https://doi.org/10.1016/s0003-2670(01)00833-9
Publikováno v:
Analytica Chimica Acta. 409:35-43
A method for the simultaneous separation and determination of Nb(V) and Ta(V) as ternary complexes formed with 2-(5-bromo-2-pyridylazo)-5-[N-propyl-N-(3-sulfopropyl)amino]phenol (PAPS) and citrate was developed using ion interaction reversed-phase hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::235b64971c89ca3274078de548914776
https://doi.org/10.1016/s0003-2670(99)00815-6
https://doi.org/10.1016/s0003-2670(99)00815-6
Publikováno v:
Chromatographia. 50:601-606
A method for the simultaneous separation and determination of Nb(V) and Ta(V) as ternary complexes with 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (Br-PADAP) and citrate using ion-interaction reversed-phase high performance liquid chromatography o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d64ea082825890a3af0e0f882210321
https://doi.org/10.1007/bf02493667
https://doi.org/10.1007/bf02493667