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Development of a pH sensing membrane electrode based on a new calix[4]arene derivative

Talanta · Ocak 2015

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YÖKSİS Kayıtları
Development of a pH sensing membrane electrode based on a new calix 4 arene derivative
Talanta · 2015 SCI-Expanded 3 atıf
PROFESÖR MUSTAFA YILMAZ →
Development of a pH sensing membrane electrode based on a new calix 4 arene derivative
Talanta · 2015 SCI 2 atıf
PROFESÖR MUSTAFA YILMAZ →
Development of a pH sensing membrane electrode based on a new calix 4 arene derivative
TALANTA · 2015 SSCI
PROFESÖR MUSTAFA YILMAZ →

Makale Bilgileri

DergiTalanta
Yayın TarihiOcak 2015
Cilt / Sayfa132 · 669-675
DOI10.1016/j.talanta.2014.10.032
Scopus ID2-s2.0-84910073530
Özet A new pH sensing poly(vinyl chloride) (PVC) membrane electrode was developed by using recently synthesized 5,17-bis(4-benzylpiperidine-1-yl)methyl-25,26,27,28-tetrahydroxy calix[4]arene as an ionophore. The effects of membrane composition, inner filling solution and conditioning solution on the potential response of the proposed pH sensing membrane electrode were investigated. An optimum membrane composition of 3% ionophore, 67% o-nitrophenyl octyl ether (o-NPOE) as plasticizer, 30% PVC was found. The electrode exhibited a near-Nernstian slope of 58.7±1.1 mV pH-1 in the pH range 1.9-12.7 at 20±1 °C. It showed good selectivity for H+ ions in the presence of some cations and anions and a longer lifetime of at least 12 months when compared with the other PVC membrane pH electrodes reported in the literature. Having a wide working pH range, it was not only applied as a potentiometric indicator electrode in various acid-base titrations, but also successfully employed in different real samples. It has good reproducibility and repeatability with a response time of 6-7 s. Compared to traditional glass pH electrode, it exhibited excellent potentiometric response after being used in fluoride-containing media.

Yazarlar (5)

1
H. Elif Kormalı Ertürün
2
Ayça Demirel Özel
3
Serkan Sayin
4
Mustafa Yilmaz
5
Esma Kılıç

Anahtar Kelimeler

Calix[4]arene pH measurement pH sensing PVC membrane electrode Potentiometry Titratable acidity

Kurumlar

Ankara Üniversitesi
Ankara Turkey
Selçuk Üniversitesi
Selçuklu Turkey

Metrikler

8
Atıf
5
Yazar
5
Anahtar Kelime

Sistemimizdeki Yazarlar

MY
MUSTAFA YILMAZ
PROFESÖR

Hızlı Erişim

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