Hydrothermal Synthesis of Ni/Al Layered Double Hydroxide Nanorods

Table 2

Chemical formulas of Ni/Al LDH prepared at different reaction times.

Reaction times   (h)	Ni/Al (molar ratio)	Composition of LDHs
2	2.57	[Ni0.72Al0.28(OH)2](SO4 ^2−)0.13(CO3 ^2−)0.05⋅0.93H2O
6	2.70	[Ni0.73Al0.27(OH)2](SO4 ^2−)0.12(CO3 ^2−)0.09⋅0.86H2O
12	2.96	[Ni0.75Al0.25(OH)2](SO4 ^2−)0.16(CO3 ^2−)0.03⋅0.84H2O
18	2.93	[Ni0.75Al0.25(OH)2](SO4 ^2−)0.16(CO3 ^2−)0.10⋅0.98H2O