Melt Constants for Equation 6 Constants of Equation 5 Constants of eq. 13
A1 B1 C1 MO1,2 SiO21,2 VX1 m1 b1
Free quadratic least-squares fit coefficients and V° values
Li2O-⁠SiO23 4.00x10-4 -12.7x10-2 27.30 18.60 27.30 4.00x10-4 0.076 -12.1
Na2O-⁠SiO23 2.94x10-4 0.024x10-2 27.13 30.09 27.13 2.94x10-4 0.0625 -15.55
K2O-SiO23 1.76x10-4 18.89x10-2 26.75 47.40 26.75 1.76x10-4 0.0424 -16.06
BaO-SiO23 11.34x10-4 -7.60x10-2 27.58 31.32 27.58 11.3x10-4 0.2605 -80.9
Linear least-squares fit coefficients and values with SiO2 = 26.75 cm3/mole
Li2O-SiO23 9.45x10-5 -9.98x10-2 26.75 17.72 26.75 9.45x10-5
Na2O-SiO23 2.35x10-5 2.16x10-2 26.75 29.15 26.75 2.35x10-5
K2O-SiO23 1.76x10-4 1.89x10-1 26.75 47.40 26.75 1.76x10-4
Li2O-SiO24 0 -0.0933 26.75 17.42 26.75 0
Na2O-SiO24 0 0.023 26.75 29.05 26.75 0
Rb2O-SiO24 0 0.2697 26.75 53.72 26.75 0
Cs2O-SiO24 0 0.4056 26.75 67.31 26.75 0