We think it is often possible to obtain a more pure precipitate by redissolving the precipitate, having washed it as free as possible from soluble impurities, and reprecipitating.

• 改译：在这种信托安排中，信托财产授予人保留了他可在认为适当的时候终止该项信托安排、或可指定另一当事人，使之具有同样权力的权利。