Journal
ELECTROANALYSIS
Volume 24, Issue 5, Pages 1226-1235Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201100674
Keywords
Crown ethers; Lipophilic additives; Potentiometry; Flow injection analysis; Determination of histamine
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Funding
- Salman Bin Abdulaziz University, Kingdom of Saudi Arabia
- Zagazig University, Egypt
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Six types of histamine potentiometric sensors are developed. They are based on using dibenzo-30-crown-10 (DB30C10) with potassium tetrakis(p-chlorophenyl)borate lipophilic additive (Type I), dibenzo-30-crown-10 without additive (Type II), dibenzo-24-crown-8 (DB24C8) with the same additive (Type III), dibenzo-24-crown-8 without additive (Type IV), dibenzo-18-crown-6 with the additive (Type V) and dibenzo-18-crown-6 without additive (Type VI) as neutral carriers for histamine. Sensors based on dibenzo-30-crown-10 with (PTp-C1PB) lipophilic additive (Type I) and dibenzo-30-crown-10 without additive (Type II) show good response. The other sensors Types IIIVI show poor response in terms of calibration range and slope.
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