Table 4.

Polynomial expansions of the 1000ln(α) values (⁷¹Ga/⁶⁹Ga) for different Ga-bearing species pairs based on the function 10³lnβ = ax + bx² + cx³, with x = 10⁶/T² (T is the temperature in Kelvin).

Kln-solution pairs	a	b	c
Kln-[Ga(H2O)6]3+·(H2O)24	− 0.0427	1.4125 × 10–3	− 3.5952 × 10–5
Kln-[Ga(OH)2]+·(H2O)24	− 0.0569	2.3001 × 10–3	− 5.1498 × 10–5
Kln-[Ga(OH)]2+·(H2O)24	− 0.0764	2.3241 × 10–3	− 5.0030 × 10–5
Kln-[Ga(OH)3]·(H2O)24	− 0.1941	4.8698 × 10–3	− 8.5145 × 10–5
Kln-[Ga(OH)4]−·(H2O)24	− 0.1968	4.3175 × 10–3	− 7.0995 × 10–5