Preparation and Performance of Vanadium Tailings-Reservoir Sediment-Phosphogypsum-Based Foamed Concrete

Table 2

Extraction toxicity of raw materials.

Materials	Cu	Pb	Zn	Ni	Cd	Cr	As	Hg	pH
	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)	(mg/L)
VTS	0.028	0.42	0.33	0.0009	0.0013	0.021	0.0056	0.000021	7.24
RS	39.241	0.24	56.57	0.0165	0.13627	0.258	0.1673	0.00336	7.21
PGS	0.925	1.84	24.63	0.0049	0.2818	2.556	0.1873	0.06258	3.72
Limit value	100	5	100	5	1	5	5	0.1