Research Article
Flow Injection Potentiometric Assay of Hexoprenaline in Its Pure State, Pharmaceutical Preparations, and Biological Samples
Table 3
Selectivity coefficients and tolerance values for the Hx conventional-type electrodes.
| | Hx-PTA | Hx-PMA |
| | Batch | FIA | Batch | FIA |
| Interferent | | | | | | |
| | 3.42 | 4.62 | 5.23 | 3.18 | 4.35 | 4.98 | | 2.98 | 3.68 | 5.75 | 3.34 | 4.82 | 5.32 | | 4.75 | — | 6.21 | 5.45 | — | 6.74 | | 5.32 | — | 5.98 | 5.87 | — | 6.48 | | 3.89 | — | 4.96 | 4.62 | — | 6.08 | | 4.21 | — | 5.66 | 4.51 | — | 6.14 | | 6.83 | — | 7.55 | 5.29 | — | 6.59 | Theronine | — | 5.95 | 8.20 | — | 5.74 | 6.79 | Leucine | — | 5.45 | 8.97 | — | 6.32 | 7.86 | Valine | — | 7.62 | 9.32 | — | 5.87 | 7.36 | Glycine | — | 5.96 | 6.87 | — | 6.35 | 9.42 | Alanine | — | 8.62 | 10.75 | — | 7.44 | 9.87 | Salbutamol | — | 7.65 | 10.94 | — | 5.98 | 10.24 | Orciprenaline | — | 6.85 | 10.44 | — | 6.47 | 10.53 | Terbutiline | — | 6.77 | 9.87 | — | 6.85 | 10.42 | Urea | — | 6.50 | 8.09 | — | 7.12 | 10.88 | Lactose | — | 4.98 | 6.42 | — | 4.68 | 7.82 | Glucose | — | 4.63 | 7.01 | — | 4.79 | 6.89 | Maltose | — | 5.01 | 6.85 | — | 5.13 | 8.44 | Fructose | — | 5.23 | 7.35 | — | 5.58 | 7.96 | Saccharose | — | 4.99 | 7.12 | — | 5.62 | 8.90 | Gum xanthine | — | 6.32 | 7.93 | — | 5.78 | 7.38 |
|
|
: separate solution method. : mixed solution method.
|