The Role of Phosphorus Slag in Steam-Cured Concrete

Table 1

The chemical compositions of the raw materials%.

Sample	SiO2	Al2O3	Fe2O3	CaO	MgO	SO3		Loss	P2O5	F
Cement	22.36	7.73	3.66	57.21	3.10	3.54	0.73	2.31	—	—
Phosphorus slag	38.27	5.33	0.29	43.12	1.69	1.30	1.75	2.16	4.62	2.46

Note.   = Na₂O + 0.685 K₂O.