. 2011 Mar 28;1(2):36–45. doi: 10.3390/bios1020036

Table 1.

Equations from the curves of hypothetical and measured mobility using the “best fit model”.

Compound	Equation and R² from %mobility graphs	Equation and R² from %hypothetical mobility graphs
Cadmium chloride	y = 0.0008x² − 0.8406x + 93.713	y = −0.00008x² + 0.0084x + 99.987
Cadmium chloride	R² = 0.9606	R² = 1
Copper sulphate	y = 0.0366x² − 4.3644x + 81.278	y = 0.0452x² − 5.4572x + 99.97
Copper sulphate	R² = 0.9683	R² = 0.9999
Iron sulphate	y = 0.0003x² − 0.3341x + 70.83	y = −0.0001x² + 0.0112x + 99.983
Iron sulphate	R² = 0.9267	R² = 1
Zinc sulphate	y = 0.0003x² − 0.3933x + 79.705	y = −0.00008x² + 0.0344x + 96.893
Zinc sulphate	R² = 0.8493	R² = 0.9336

*NE: Not Estimated.