Table 3 The results of durability analysis

H₂O

\({\text{y}}=1706.53-234.01{{\text{e}}}^{\frac{{\text{x}}}{46.12}} ({{\text{R}}}^{2}=0.97)\)

71.48

164.40

NaOH

\({\text{y}}=5558.06-4062.06{{\text{e}}}^{\frac{{\text{x}}}{341.18}} ({{\text{R}}}^{2}=0.95)\)

67.84

156.03

HCl

\({\text{y}}=3664.02-2231.15{{\text{e}}}^{\frac{{\text{x}}}{154.77}} ({{\text{R}}}^{2}=0.97)\)

48.72

112.05

Na₂SO₄

\({\text{y}}=1728.47-254.14{{\text{e}}}^{\frac{{\text{x}}}{12.48}} ({{\text{R}}}^{2}=0.96)\)

–

46