Film Thickness, (d/µm)

R2

Rate Constant (min−1)

Bulk watera (δ → ¥)

-

(2.83 ± 0.02) × 10−4

193.1

0.970

(9.62 ± 0.43) × 10−4

77.2

0.964

(1.10 ± 0.05) × 10−3

38.6

0.973

(1.27 ± 0.06) × 10−3