Solid-Liquid Separation Properties of Thermoregulated Dicationic Ionic Liquid as Extractant of Dyes from Aqueous Solution

Table 2

The recovery test results of extraction by IL-2.

Sample	Origin (mg/L)	Added (mg/L)	Found (mg/L)	Recovery (%)	RSD
Water sample	0	5	4.91	98.20	0.00
		10	9.88	98.80	0.09
		20	19.92	99.60	0.00
Simulation water sample	9.60	5	14.64	100.80	0.11
		10	19.59	99.90	0.00
		20	29.50	99.50	0.11