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Določanje aluminijevih ionov z optičnim kemijskim senzorjemTurel, Matejka ...Selektivni indikator Morin in kasneje tudi kompleks Al-Morin sta bila imobilizirana v različno katalizirane sol-gel membrane, pripravljene s prekurzojem tetrametoksisilanom (TMOS). Glede na ionsko ... prepustnost in stabilnost smo analizirali sol-gel parametre, kot so narava in koncentracija katalizatorja, čas staranja in čas geliranja. Časi geIiranja so bili 20krat daljši, če je bil v sol-gel membrani imobiliziran kompleks Al-Marin. Senzorska membrana, pripravljena po kislo kataliziranem saI-gel postopku in z vgrajenim indikatorjem Morinom, se je pokazala kot najboljša v smislu določanja aluminijevih ionov. V času t95 = 80 s je pokazala 50% spremembo relativnega signala, v koncentracijskem območju aluminijevih ionov od 10-4 do 10-6 M.Source: Zbornik referatov s posvetovanja. D. 1-2 (Del 1, str. 283-290)Type of material - conference contributionPublish date - 2002Language - slovenianCOBISS.SI-ID - 7422998
Author
Turel, Matejka |
Lobnik, Aleksandra |
Toth, Klara |
Bogati, Botond
Topics
analizna kemija |
optični senzorji |
sol geli |
sol-gel tehnologija |
določevanje aluminija |
fluorometrija |
Morin |
analytical chemistry |
optical sensors |
sol gels |
sol-gel technology |
determination of aluminium |
fluorimetry |
Morin
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Turel, Matejka | 22423 |
Lobnik, Aleksandra | 01407 |
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