Properties and Applications of a New Chemical Grouting Material

Table 9

Detection results of ion concentration in aqueous solution.

Ion species	Solution ion concentration (mg/L)			Limit concentration of drinking water (mg/L)
	Group 3	Group 4	Group 15
As	<0.001	<0.001	<0.001	0.05
Cd	<0.0001	<0.0001	<0.0001	0.005
Cr	<0.0001	<0.0001	<0.0001	0.05
Pd	<0.001	<0.001	<0.005	0.01
Hg	<0.0001	<0.0001	<0.0001	0.001
Se	0.0002	0.0002	0.0003	0.01
CN	<0.01	<0.01	<0.01	0.05
F^-	0.12	0.09	0.15	1.0
NO3^-	0.24	0.23	0.31	10
ClO3^-	0.16	0.17	0.21	0.7
SO4^2-	0.21	0.19	0.34	250
CCl4	<0.001	<0.001	<0.001	0.06
Al^3+	<0.01	<0.01	<0.015	0.2
Fe	<0.07	<0.07	<0.07	0.3
Mn	<0.04	<0.045	<0.046	0.1
Zn	<0.044	<0.045	<0.044	1.0
Smelly taste	Nil	Nil	Nil	Nil
pH	5.5	5.5	5.7	6.5∼8.5
Total dissolved solids	21	24	18	1000