Table 4. Comparison of Data of Phase Equilibria Measured and Literature Data at T = 363.15 K and P = 88.94 kPa^a.

		fluid mass, w(B) × 100, %
subject		Na2CO3	NaCl	Na2SO4	NaOH	solidc	data sources
Table 6 12(E)	measured results	0	2.87	0	68.87	Cl + OH	this work
	literature datab	0	2.90	0	65.00	Cl + OH	b
	relative error (%)d	0	0.01	0	0.06
	absolute errord	0	0.03	0	3.87

^aStandard uncertainties u are u(T) = 0.1 K, u(P) = 0.5 kPa, and u_r(Na₂CO₃) = u_r(Na₂SO₄) = u_r(NaCl) = u_r(NaOH) = 0.05.

^bData source: Stephen et al. (1963).

^cAbbreviations: OH, NaOH and Cl, NaCl.

^dε_r(%) = |measured-lit.|/lit.; ε_a = |measrd-lit.|.