Table 2 Effect of coexistence substances
Coexistent substance | Tolerance concentration | Relative error (%) | Coexistent substance | Tolerance concentration | Relative error (%) |
---|---|---|---|---|---|
Glycine | 5000 μmol/L | −2.0 | Zn2+ | 500 μmol/L | 7.0 |
L-phenylalanine | 2000 μmol/L | 8.0 | Mg2+ | 200 μmol/L | 2.0 |
Ascorbic acid | 2000 μmol/L | 6.0 | Cu2+ | 250 μmol/L | −0.9 |
L-aspartic acid | 125 μmol/L | 0.5 | Ni2+ | 250 μmol/L | −10.0 |
HSA | 0.025 μg/mL | 4.0 | BSA | 4 μg/mL | −6.0 |