| http://www.w3.org/ns/prov#value | - For example, the precipitation material may be stored in the supernatant for a period of time ranging from 1 to 1000 days or longer, such as 1 to 10 days or longer, at a temperature ranging from 1??? C. to 40??? C., such as 20??? C. to 25??? C. Separation of the precipitation material from the precipitation reaction mixture is achieved using any of a number of convenient approaches, including drai
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