Table 3.

Calculated parameters of MgKPO₄·6H₂O at different magnesia/KH₂PO₄ molar ratios.

Sample	Ecorr (V vs. SCE)	Jcorr (μA cm−2)	ba	bc	Rp a (Ω cm2)	vp b (mm/year)
Pristine	−0.52	28	20.2	−32.8	0.82	0.340
MP = 2	−0.58	6	9.0	−22.6	1.08	0.073
M/P = 3	−0.39	2.79	18.0	−21.1	19.1	0.033
M/P = 3.6	−0.49	4.9	12.4	−20.5	2.7	0.059
M/P = 4	−0.39	3.29	13.1	−17.7	6.7	0.040
M/P = 5	−0.50	4.9	13.2	−22.8	2.8	0.059

^a: data obtained from Equation (1). ^b: data obtained from Equation (2).