| 
      
        | Composition (%) |  
        | No. | I.P | PVC | Plasticizer | S | LOD | R(s) |  
        | 1- | -- | 47.0 | 53.0(DBP) | 46±2.1 | 6.5x10-5 | 20 |  
        | 2- | 0.1 | 46.9 | 53.0(DBP) | 49±1.5 | 6.8x10-6 | 10 |  
        | 3- | 0.3 | 46.5 | 53.2(DBP) | 56±0.9 | 4.1x10-6 | 8 |  
        | 4- | 0.5 | 46.5 | 53.0(DBP) | 58±0.3 | 1.3x10-6 | 5 |  
        | 5- | 0.5 | 46.5 | 53.0(2-NPOE) | 57±1.4 | 2.0x10-6 | 10 |  
        | 6- | 0.5 | 46.5 | 53.0(DOP) | 55±0.5 | 2.8x10-6 | 10 |  
        | 7- | 0.5 | 46.5 | 53.0(DOS) | 53±0.9 | 6.2 x10-6 | 15 |  
        | 8- | 0.5 | 46.5 | 53.0(TEPh) | 57±0.2 | 3.1x10-6 | 10 |  
        | 9- | 0.5 | 46.5 | 53.0(DBBPh) | 47±2.3 | 4.1x10-5 | 23 |  | 
  
    | I.P: Ion-pair, S: slope (mV/decade), LOD: limit of detection, R(s): response time(s) | 
  
    | Table 1: Composition and slope of calibration curves for TD-PM membrane
    electrode. |