Study on Solidification Characteristics of Granular Coal Gangue: Fine Sand Paste-Cemented Filling Materials

Table 4

The performance indexes of the test tap water.

Specific gravity	Bulk density (kg‧m⁻³)	Chroma; (°)	pH	Oxygen consumption (mg L^−1)	NH₃–N; (mg L^−1)	ClO2 extra (mg L^−1)
1.0	1000.0	1	7.12	1.46	0.04	0.21