. 2022 Jan 21;12:1145. doi: 10.1038/s41598-022-05133-x

Table 2.

Chemical composition of the WA from Russian olive in different combustion temperatures.

Sample	Na₂O	K₂O	MgO	BaO	CaO	SrO	CuO	SiO₂	Al₂O₃	P₂O₅	Fe₂O₃	MnO₂	TiO₂	SO₃
ROA₄₅₀	0.7	20.6	7.4	1.7	45.6	1.6	–	7.2	1.6	4.3	3.6	0.3	0.2	5.2
ROA₈₅₀	0.5	14.5	9.64	0.2	61.5	2.1	0.1	2.9	0.51	2.5	0.9	0.3	0.1	4.3
ROA₁₀₅₀	0.2	4.2	3.4	1.6	64.9	3.5	1.2	3.5	3.2	2.3	4.2	1.6	0.5	5.7