1820 Chemistry Letters, 19 8 4 the resulting solution was cooled by solid C02-ethanol bath to room temperature (Step I). To the resulting mixture was added an aqueous alkaline solution (30 cm3), or water (30 cm3) containing anion exchange resin (OH~ type), and then the mixture was allowed to stand at room temperature for a prescribed time in nitrogen (Step ID . In Step I and Step II, the consumption of formaldehyde, as determined 7) colorimetrically with ...
