Phosphate selective membrane electrode and method of determining

Details Phosphate selective membrane electrode and method of determining Phosphate selective membrane electrode and method of determining

1987-04-08

1988-04-05

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204418, 556 95, G01N 2730

Patent

active

047356928

ABSTRACT:
A novel ion-selective membrane electrode for the determination of phosphate anions. This device possesses an excellent selectivity for phosphate over many common anions such as sulfate, chloride, bromide, iodide, nitrate, and acetate. The unique feature of this electrode is the use of a di-substituted aryl tin compound as the membrane active material. The incorporation of either dibenzyltin dichloride or bis-p-methylbenzyltin dichloride in a plasticized poly(vinyl) chloride membrane results in a selective membrane electrode for phosphate.

REFERENCES:
patent: 3445365 (1969-05-01), Ross
Zarinski, V. A. et al., Electrochemical Properties of Liquid Membranes on Dialkyltin (IV) Compounds in Phosphorus(V) Solutions, UDC 543.257.5:546.18, V. I. Vernadskii Institute of Geochemistry and Analytical Chemistry, Acad. of Sci. of the USSR, Moscow, Translated from Zhurnal Analiticheskoi Khimii, vol. 35, No. 11. pp. 2137-2142-Nov., 1980.
Zarinski, V. A. et al., Dialkyltin(IV) Compounds as Active Components of the Liquid Membranes of Ion-Selective Electrodes in Arsenic(V) Solutions, UDC 543.257.1:546.19, V. I. Vernadskii Institute of Geochemistry and Analytical Chemistry, Academy of Sciences of the USSR, Moscow, Translated from Zhurnal Analiticheskoi Khimii, vol. 35, No. 11, pp. 2143-2148, Nov., 1980.

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