| Sample ID | Electrolyte | 10−4 M | 5 × 10−4 M | 10−3 M | 2.5 × 10−3 M | 5 × 10−3 M | 10−2 M |
| Sample 1 | NaCl | −160 | −122 | −90 | −45 | −26 | −15 |
| NaI | −169 | −128 | −93 | −46 | −28 | −16 |
| KCl | −110 | −74 | −58 | −32 | −20 | −12 |
| KI | −139 | −97 | −78 | −38 | −25 | −13 |
| Sample 2 | NaCl | −407 | −220 | −130 | −77 | −32 | −17 |
| NaI | −426 | −235 | −132 | −79 | −34 | −18 |
| KCl | −385 | −165 | −84 | −46 | −28 | −14 |
| KI | −396 | −187 | −98 | −47 | −29 | −16 |