The SS contents of the infusionswere determined gravimetrically by evaporating 20 mL aliquots of the filtrate to dryness on a steam bath in triplicate, followed by oven drying at 100 °C for 1.5 h.
The SS contents of the infusionswere determined gravimetrically by evaporating 20 mL aliquots of the filtrate to dryness on a steam bath in triplicate, followed by oven drying at 100 °C for 1.5 h.