| http://www.w3.org/ns/prov#value | - In another embodiment, the instant invention is an apparatus for calibrating an analysis instrument for the determination of water, comprising: (a) a liquid reservoir for containing a liquid, the liquid containing water; (b) a pump in liquid communication with the liquid reservoir for pumping a liquid contained in the reservoir; (c) a membrane dryer in liquid communication with the pump for pervap
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