TY  - JOUR
T1  - Electroanalysis of Pyrocatechol in River Water Over Pt Electrode Modified with Polyaniline-Poly 3-methylthiophene - Poly 3,3’-diaminobenzidine  Film
TT  - Polianilin-Poli 3-metiltiyofen -Poli 3,3’-diaminobenzidin  Filmi  ile Modifiye Edilmiş Pt Elektrot ile Nehir Suyunda Pirokatekolün  Elektroanalizi
AU  - Ülker, Emine
AU  - Kavanoz, Muammer
PY  - 2016
DA  - September
JF  - Hacettepe Journal of Biology and Chemistry
JO  - HJBC
PB  - Hacettepe University
WT  - DergiPark
SN  - 2687-475X
SP  - 339
EP  - 347
VL  - 44
IS  - 3
LA  - en
AB  - Determination of pyrocatechol was successfully achieved over polyaniline - poly 3-methylthiophene  - poly 3,3’-diaminobenzidine   PANI - P3MT - PDAB  coated Pt disc electrode using amperometric I-t method in NaHSO4/Na2SO4  SBS   pH 2.0  solution. The potential range of 0.45 V-0.65 V were implemented and a potential of 0.50 V was found to be an optimum potential. Analytical parameters  LOD, LOQ and linear range  were 7.37×10-5, 2.47×10-4 and 2.47×10-4-25.0 mmol.L-1, respectively. Furthermore, assay of pyrocatechol was performed in artificially contaminated river water samples over modified electrode at the pyrocatechol concentrations of 5.0 and 10.0 mmol.L-1 to check on the matrices interference and accuracy of the developed method. Recovery values were 101.1% and 101.2%, respectively. Without matrix effect, determination of pyro- catechol at lower peak potential  0.50 V  than oxidation peak potential  0.62 V  was carried out.
KW  - Polyaniline
KW  - pyrocatechol
KW  - poly 3-methylthiophene
KW  - poly 3
KW  - 3’-diaminobenzidine
N2  - N aHSO4/Na2SO4  SBS   pH 2.0  çözeltisi içerisinde amperometrik I-t yöntemi kullanılarak polianilin-poli 3metiltiyofen -poli 3,3’-diaminobenzidin   PANI - P3MT - PDAB  kaplı Pt disk elektrot üzerinden pirokatekol tayini başarılı bir şekilde gerçekleştirildi. 0,45 V–0,65 V aralığında potansiyel değerleri uygulandı ve 0.50 V optimum potansiyel olarak belirlendi. Analitik parametreler  gözlenebilme sınırı, alt tayin sınırı ve doğrusal çalışma aralığı  sırasıyla 7.37×10-5, 2.47×10-4 ve 2.47×10-4-25.0 mmol.L-1 olarak bulundu. Ayrıca, matriks girişimini ve geliştirilen yöntemin doğruluğunu test etmek için, pirokatekol derişimi 5.0 ve 10.0 mmol.L-1 olacak şekilde yapay olarak kirletilmiş nehir sularında pirokatakol tayini gerçekleştirildi. Geri kazanım değerleri sırasıyla % 101.1 ve % 101.2, olarak elde edildi. Pirokatekolün yükseltgenme potansiyelinden  0.62 V  daha düşük potansiyelde  0.50 V  matriks etkisi olmaksızın pirokatakol tayini gerçekleştirildi
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UR  - https://dergipark.org.tr/en/pub/hjbc/article/926310
L1  - https://dergipark.org.tr/en/download/article-file/1728058
ER  -