Effect of ionic-strength adjusters on the detection of silver ionusing ion-selective electrode

Seung Yeon Oh; Hwa Kyung Sung; Hyeon Ho Shin; Uiseok Jeong; Ig-chun Eom; Pil-je Kim; Younghun Kim

Korean Journal of Chemical Engineering, Vol.32, No.9, 1924-1927, September, 2015

DOI10.1007/s11814-015-0015-0 Export Citation

Effect of ionic-strength adjusters on the detection of silver ionusing ion-selective electrode

Seung Yeon Oh, Hwa Kyung Sung, Hyeon Ho Shin, Uiseok Jeong, Ig-chun Eom¹, Pil-je Kim¹, and Younghun Kim^†

Department of Chemical Engineering, Kwangwoon University, Seoul 139-701, Korea
¹Risk Assessment Division, National Institute of Environmental Research (NIER), Incheon 404-708, Korea

E-mail:

Ion-selective electrodes (ISEs) are used in a wide variety of applications for determining the concentrations of various ions in aqueous solutions. When compared to many other analytical techniques, ISEs are relatively inexpensive, simple to use, and have an extremely wide range of applications and concentrations. In recent reports, cytotoxicity of silver nanoparticles (AgNPs) showed that AgNPs were ionized in the cells and led to causing cell-death. Thus, the measurement of silver ions in aqueous phase is important. In this work, several sodium and potassium salts were considered as ionic-strength adjusters (ISA) and were used in the calibration step to enhance sensitivity of detection the target ion. The result showed that potassium iodine (0.05M KI) acted as a very effective ISA, compared to conventional ISA (5M NaNO3).

Keywords:Ion Selective Electrode;Silver Ion;Silver Nanoparticles;Toxicity

[References]

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[Related Articles]

[1] Jin X, Li M, Wang J, Marambio-Jones C, Peng F, Huang X, Damoiseaux R, Hoek EMV, Environ. Sci. Technol., 44, 7321 (2010)

[2] Garcia-Reyero N, Kennedy AJ, Escalon BL, Habib T, Laird JG, Rawat A, Wiseman S, Hecker M, Denslow N, Steevens JA, Perkins EJ, Environ. Sci. Technol., 48, 4546 (2013)

[3] Park EJ, Yi J, Kim Y, Choi K, Park K, Toxicol. In Vitro, 24, 872 (2010)

[4] Roh J, Park EJ, Park K, Yi J, Kim Y, Korean J. Chem. Eng., 27(6), 1897 (2010)

[5] Davison W, Zhang H, Nature, 367(6463), 546 (1994)

[6] Navarro E, Piccapietra F, Wagner B, Marconi F, Kaegi R, Odzak N, Sigg L, Behra R, Environ. Sci. Technol., 42, 8989 (2008)

[7] Koch M, Kiefer S, Cavelius C, Kraegeloh A, J. Nanopart. Res., 14, 646 (2012)

[8] Benoit R, Wilkinson KJ, Sauve S, Chem. Central J., 7, 75 (2013)

[9] Ceresa A, Radu A, Peper S, Bakker E, Pretsch E, Anal. Chem., 74, 4027 (2002)

[10] Benn TM, Westerhoff P, Environ. Sci. Technol., 42, 4133 (2008)

[11] Maurer-Jones MA, Mousavi MPS, Chen LD, Buhlmann P, Haynes CL, Chem. Sci., 4, 2564 (2013)

[12] Crow DR, Principles and applications of electrochemistry, Blackie Academic & Professional, New York (1994).

[13] Adams NWH, Kramer JR, Aqua. Geochem., 5, 1 (1999)

[14] Operating Instructions of silver/sulfide electrodes; Cole-Parmer Instrument Company, Illinois (2000).