Potentiometric sensor for hydrogen ion based on N,N′-dialkylbenzylethylenediamine neutral carrier in a poly(vinyl chloride) membrane with polyaniline solid contact

All-solid-state hydrogen sensing microelectrodes based on novel PPy[3,3′-Co(1,2-C2B9H11)2] as a solid internal contact

“…5 and is comparable to those of previously described pH-sensitive, liquid-membrane electrodes based on tri-n-dodecylamine as neutral carrier [37,38] and some other H + -all-solid state ISE recently developed [20,[39][40][41].…”

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

“…4). The proposed electrode was found much more suitable than many of the other alternatives given in the literature as regard to the linear working range and slope [1,[6][7][8][9][10][11][12][13][14]16,[18][19][20][22][23][24][25]30,32,33]. The comparison of response characteristics of some different type of pH sensing electrodes together with the proposed electrode are given in Table 2.…”

“…Although pH-sensitive glass electrode has distinguished response characteristics and has been in use for such a long period, it has certain setbacks such as its high resistance, fragility, its instability in hydrofluoric acid or fluoride solutions, alkaline and acid errors and its unsuitability to serve as a microelectrode for biological applications [4,5]. Accordingly, the studies to develop non-glass pH-sensitive electrodes such as solid contact electrodes (SCE's) [1,[6][7][8][9][10][11][12][13], coated wire electrodes (CWE's) [13,14], field effect transistors (FET's) [15,16], nanorod based electrodes [17,18] and polymeric membrane electrodes [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33] have gained interest. Among these, PVC membrane electrodes are the preferred ones due to their low electrical resistance and ease of construction [31,32].…”

BAZI İÇECEKLERDE TİTRASYON ASİTLİĞİNİN TAYİNİ İÇİN ZOFENOPRİL KALSİYUMA DAYANAN pH ELEKTROT YAPIMI

“…Literatürde, makrosiklik bilefliklerin iyonofor olarak kullan›lmas›yla haz›rlanan elektrotlar›n pek çok anyon ve/veya katyona cevap verdi¤i belirtilmektedir (13,23 …”

“…Ayr›ca, mikroelektrot olarak üretilmeye ve in situ (yerinde) çal›flmalarda kullan›lmaya uygun de¤ildirler (4,5). Bu nedenle, son y›llarda, kat›-temasl› elektrotlar (SCE'lar) (6)(7)(8)(9)(10)(11)(12), kaplanm›fl tel elektrotlar (CWE'lar) (13,14), alan etkili transistörler (FET'ler) (15,16), nano çubuk elektrotlar (17,18) ve polimerik membran elektrotlar (PME'lar) (19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33) (10,27,28), aminler (11)(12)(13)24), pillar [5]arenler (29), ve kaliks [4]arenler (30)(31)(32)(33) gösterilebilir. Literatür incelendi¤inde, baz› ilaç etken maddelerinin voltametrik/amperometrik sensörlerde duyarl›l›k sa¤lamak amac›yla kullan›ld›¤› (36, 37), ancak, pH duyarl› potansiyometrik PVC membran elektrot haz›rlanmas›nda iyonofor olarak kullan›lmad›¤› tespit edilmifltir.…”