APPENDIX B
HENRY'S LAW
Henry's law says that the time change of fractional coverage is equal to an adsorption
rate v, and is not dependent on the fractional coverage on the surface and has no
saturation point:
dO
dt
The first few terms for the fractional coverage are:
00. =o0
90out = 09
1., = A(VIc + A0o)
02out = t +n
This results in a difference pattern of:
AON = 2(N-1) (vt, + 2o 0o)
The resulting series expression is:
On =00 + E( (vt + 2 o-00)
N=1
The closed-form solution for coverage based on cycle number then becomes:
0 = o+ I (vt,+ Oo- 0o)
Taking the number of cycles to infinity gives a steady-state solution: