Foreign substance

Concentration (×30.2 μM)

Change of I₆₇₂/I₄₅₇ (%)

Foreign substance

Concentration (×30.2 μM)

Change of I₆₇₂/I₄₅₇ (%)

Na⁺, Cl⁻

50.0

2.53

Isolucine

10.0

3.77

K⁺, Cl⁻

50.0

1.25

Uracil

10.0

3.58

Ca²⁺, Cl⁻

50.0

–1.95

Glucosuria

10.0

1.98

Mg²⁺, ${\text{SO}}_4^{2-}$

50.0

3.85

Aspartic acid

10.0

2.56

Zn²⁺, ${\text{NO}}_3^{-}$

10.0

–3.81

Tryptophan

10.0

2.57

Ni²⁺, ${\text{NO}}_3^{-}$

10.0

4.52

Tyrosine

10.0

2. 39

Hg²⁺, ${\text{NO}}_3^{-}$

10.0

–4.32

Lysine

10.0

3.52

Cu²⁺, ${\text{SO}}_4^{2-}$

10.0

–4.06

Adenine

10.0

2.65

Fe³⁺, ${\text{NO}}_3^{-}$

10.0

–4.53

Cytosine

10.0

1.95

Fe²⁺, ${\text{NO}}_3^{-}$

10.0

3.52

Glycine

10.0

1.95

Cd²⁺, Cl⁻

10.0

2.35

Cystine

0.05

–4.99

Cr³⁺, Cl⁻

10.0

4.21

Thiophenol

0.05

–0.88

Pb²⁺, ${\text{NO}}_3^{-}$

10.0

4.15

glutathione

0.05

–4.86