Table 3. Min-ST and Max-ST of Three Different Synsurfs Checked by Pulsating Bubble Surfactometer at 1 and 5 Minutes.

	Min-ST		Max-ST
	1 min	5 min	1 min	5 min
Surfacten®	6.2±0.9*	5.5±0.4*	33.8±1.5*	32.8±1.6*
Synsurf-1	16.2±0.9	16.7±0.6	27.6±1.8	28.7±1.5
Synsurf-2	8.1±1.1*	7.9±1.0*	33.0±1.7*	33.1±1.6*
Synsurf-3	8.0±0.9*	7.1±0.8*	34.6±0.8*	34.5±1.0*

min-ST, minimum-ST; max-ST, maximum-ST; ST, surface tension (mN/m).

^*Fulfilled ideal surfactant criteria (min-ST <10 mN/m and max-ST >30 mN/m).