From a5223a209e7ceadf1f21727715625fee2ba85736 Mon Sep 17 00:00:00 2001 From: David Parkhurst Date: Fri, 7 Jun 2024 08:38:49 -0600 Subject: [PATCH] 20240607b pitzer.dat --- database/pitzer.dat | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/database/pitzer.dat b/database/pitzer.dat index 1fca44279..0f7579f9f 100644 --- a/database/pitzer.dat +++ b/database/pitzer.dat @@ -40,8 +40,8 @@ Ntg Ntg 0 Ntg 28.0134 # N2 gas SOLUTION_SPECIES H+ = H+ -viscosity 9.35e-2 -8.31e-2 2.487e-2 4.49e-4 2.01e-2 1.57 # for viscosity parameters see ref. 4 - -dw 9.31e-9 838 16.315 0 2.376 24.01 0 -# Dw(25 C) dw_T a a2 visc a3 a_v_dif + -dw 9.31e-9 823 5.55 0 3.07 24.01 0 +# Dw(25 C) dw_T a a2 visc a3 a_v_dif # Dw(TK) = 9.31e-9 * exp(823 / TK - 823 / 298.15) * viscos_0_25 / viscos_0_tc # a = DH ion size, a2 = exponent, visc = viscosity exponent, a3(H+) = 24.01 = new dw calculation from A.D. 2024, a_v_dif = exponent in (viscos_0_tc / viscos)^a_v_dif