He believed the organic base owed its basicity to the ammonia.
When some sodium chloride solution is then added to one of the two portions, the basicity of the solution is distinctly increased.
The author has found this a useful test taken in conjunction with the basicity determination.
basicity ba·sic·i·ty (bā-sĭs'ĭ-tē)
The ability of an acid to react based on the number of replaceable hydrogen atoms it contains.
The quality of being basic.