PALLADIUM-DOPED SCREEN-PRINTED ELECTRODES FOR MONITORING FORMALDEHYDE

被引:22
作者
WANG, J
PEDRERO, M
CAI, XH
机构
关键词
SCREEN-PRINTING TECHNOLOGY; FORMALDEHYDE; ELECTROCATALYSIS; DISPOSABLE ELECTRODES;
D O I
10.1039/an9952001969
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Screen printing of palladium-doped carbon strips results in the construction of disposable amperometric sensors for formaldehyde. These sensors rely on the strong electrocatalytic action of the dispersed palladium particles contributing to the reduction of formaldehyde. The electrocatalytic behaviour, sensor optimization and analytical performance are reported. The low detection limit (2 x 10(-6) mol l(-1)) is accompanied by a wide linear range and high selectivity. Application for assays of various samples is demonstrated. The new single-use sensor strips should facilitate on-site environmental and industrial monitoring of formaldehyde.
引用
收藏
页码:1969 / 1972
页数:4
相关论文
共 9 条
[1]   MASS-PRODUCTION OF BIOSENSORS [J].
ALVAREZICAZA, M ;
BILITEWSKI, U .
ANALYTICAL CHEMISTRY, 1993, 65 (11) :A525-A533
[2]  
BELTOWSKABRZEZI.M, 1985, J ELECTROANAL CH INF, V183, P167
[3]   STUDIES ON THE ELECTROCATALYTIC REDUCTION OF ALIPHATIC-ALDEHYDES ON PALLADIUM-MODIFIED CARBON-PASTE ELECTRODES [J].
CAI, XH ;
KALCHER, K .
ELECTROANALYSIS, 1994, 6 (5-6) :397-404
[4]   MICROBAND ELECTRODES FABRICATED BY SCREEN PRINTING PROCESSES - APPLICATIONS IN ELECTROANALYSIS [J].
CRASTON, DH ;
JONES, CP ;
WILLIAMS, DE ;
ELMURR, N .
TALANTA, 1991, 38 (01) :17-26
[5]   CONTINUOUS AUTOMATED-DETERMINATION OF ATMOSPHERIC FORMALDEHYDE AT THE PARTS-PER-TRILLION LEVEL [J].
FAN, Q ;
DASGUPTA, PK .
ANALYTICAL CHEMISTRY, 1994, 66 (04) :551-556
[6]   SCREEN-PRINTED VOLTAMMETRIC AND AMPEROMETRIC ELECTROCHEMICAL SENSORS FOR DECENTRALIZED TESTING [J].
HART, JP ;
WRING, SA .
ELECTROANALYSIS, 1994, 6 (08) :617-624
[7]   ELECTROCHEMICAL ANALYSIS FOR ENVIRONMENTAL-CONTROL [J].
KALVODA, R .
ELECTROANALYSIS, 1990, 2 (05) :341-346
[8]   ELECTROANALYSIS OF AROMATIC-ALDEHYDES WITH MODIFIED CARBON PASTE ELECTRODES [J].
LIU, KE ;
ABRUNA, HD .
ANALYTICAL CHEMISTRY, 1989, 61 (23) :2599-2602
[9]   STUDY OF ALDEHYDE OXIDATION AT GLASSY-CARBON, MERCURY, COPPER, SILVER, GOLD AND NICKEL ANODES [J].
VANEFFEN, RM ;
EVANS, DH .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1979, 103 (03) :383-397