Table 7.

Arithmetic mean (%) of the relative standard deviations of MEL, LAM, and LEV during the measurements.

API	Connectivity	Offline			Inline
	Impregnation Agent/Membrane	Metricel®	Isopore™	Whatman™	Metricel®	Isopore™	Whatman™
MEL	pH = 7.4	81.44	40.53	93.00	84.53	21.27	62.97
	IPM	66.33	57.79	78.98	14.72	22.86	38.77
LAM	pH = 7.4	17.00	63.02	22.09	89.23	76.39	35.92
	IPM	58.66	14.15	54.90	16.67	27.67	19.54
LEV	pH = 7.4	24.38	12.11	53.73	83.14	66.42	26.84
	IPM	8.57	66.41	31.2	12.36	65.54	51.21