| Solution description | Slope in 1.00 M NaOH (mS∙cm−1∙min−1/2) | Slope in 0.10 M NaOH (mS∙cm−1∙min−1/2) |
| 0.0 mM LS | −0.2234 ± 0.0051 | −0.1621 ± 0.0006 |
| 1.0 mM LS | −0.1075 ± 0.0007 | −0.1265 ± 0.0007 |
| 5.0 mM LS | −0.2025 ± 0.0022 | −0.1152 ± 0.0007 |
| 10.0 mM LS | −0.2011 ± 0.0005 | −0.1305 ± 0.0004 |
| 20.0 mM LS | −0.1321 ± 0.0009 | −0.0921 ± 0.0003 |