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

Table 3: Selectivity coefficient for TD-PM electrode.