| 
      
        | Interfering ions | MPM | SSM |  
        | K+ | 1.2 x 10-3 | 2.8 x 10-3 |  
        | Na+ | 9.6 x 10-5 | 5.5 x 10-3 |  
        | Co2+ | 7.5 x 10-4 | 3.5 x 10-3 |  
        | Li2+ | 5.7 x 10-4 | 2.9 x 10-3 |  
        | Ni2+ | 6.5 x 10-4 | 3.8x 10-3 |  
        | Mg2+ | 5.4x 10-4 | 8.7 x 10-4 |  
        | Ca2+ | 9.5 x 10-4 | 4.1 x 10-3 |  
        | Cu2+ | 8.4 x 10-4 | 3.5 x 10-3 |  
        | Zn2+ | 4.4 x 10-4 | 2.8 x 10-3 |  
        | Cr3+ | 7.2 x 10-4 | 1.6x10-2 |  
        | Ampicilline sodium | 4.5x 10-4 | 3.9 x 10-3 |  
        | Diclophinic sodium | 2.6x 10-4 | 6.9x 10-5 |  
        | Captopril | 5.5x 10-4 | 3.3 x 10-3 |  
        | Spiramycine | 1.8 x 10-3 | 1.7 x 10-2 |  
        | Dioctylsulfosuccinate | 4.5x 10-4 | 9.6x 10-4 |  
        | Spectinomycine Hcl | 8.9x 10-4 | 1.5x 10-3 |  
        | D-Fractose | - | 2.5x 10-5 |  
        | D- Galactose | - | 5.5 x 10-5 |  
        | Maltose | - | 6.9x 10-5 |  
        | Glucose | - | 2.8 x 10-5 |  
        | Ascorbic acid | 5.4x 10-4 | 4.0x 10-4 |  
        | L-Histidine | 4.5 x10-4 | 3.7 x10-3 |  
        | Glycine | 4.9x 10-4 | 1.9 x 10-4 |  |