Table 3.

Concentration of acid and basic sites in MgGa mixed oxides determined by TPD of adsorbed NH₃ and CO₂, correspondingly.

Sample	Amount of desorbed NH3, μmol·g−1	Amount of desorbed CO2, μmol·g−1			Evaluated concentra-tion of interlayer hydroxyls, μmol·g−1	Theoretical concentra-tion of interlayer hydroxyls, μmol·g−1	Recovery of Ga atoms by reconstruct-tion process, %
		Total	L.T.	H.T.
MgGa-2C	96	149	64	784	1,568	3,784	41
MgGa-3C	190	178	113	770	1,540	3,016	51
MgGa-4C	96	90	88	886	1,772	2,565	69
MgGa-2R10	–	848
MgGa-3R10	–	883
MgGa-4R10	–	974