Table 3

Compound	Linearity			DL^a (mg L^-1)	RSD (%); n=5
Compound	Range (ug/L)	Equation	r	DL^a (mg L^-1)	RSD (%); n=5
Microcystin-LR	0.1-10	Y=264+4272X	0.996	0.25	4.2
Microcystin-RR	0.5-10	Y=186+2164X	0.991	0.39	5.8
Microcystin-YR	0.3-10	Y=490+1550X	0.993	0.43	4.7
^a Detection limits were estimated on the basis of 3:1 signal to noise ratios. RSD, relative standard deviation (concentration range tested: 01 - 10 mg MC-LR on MIP packed column.

Table 3: The linear range, detection limit (DL) and RSD of MIP-SPE method coupled with HPLC for the determination of microcystins (microcystin-LR, RR, YR).