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Tolerable concentration level of interferents with respect to NLX
| Interferents | Tolerable level mol L −1 |
|---|---|
| Na+, K+, Mg2+, Cl−, NO3 −, NH4 +, EDTA and SO4 2− | 4.8×10−5 |
| Glucose, sucrose, lactose, talc, starch, magnesium stearate, citric acid | 9.2×10−6 |
| Uric acid, ascorbic acid and urea | 5.6×10−2 |
| Adrenaline, dopamine, cysteine, histamine, tyrosine, glucosamine | 8.4×10−5 |
| Al3+, Cd2+, Co2+, Fe2+, Fe3+, Mn2+, Ni2+, and Cu2+ | 2.6×10−1 |
| Nalbuphine hydrochloride and naltroxone hydrochloride | 1.5×10−1 |
