Two 1-ethyl-4-alkyl-1,2,4-triazolium acetylalaninate ionic liquids, [Taz(2,5)][Acala] and [Taz(2,6)][Acala], were synthesized through sequential N-alkylation, anion exchange, and acid–base neutralization steps. The standard addition method was applied to correct for trace moisture interference, and anhydrous density, s...